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Leading Manufacturer, Supplier & Retailer of Mild Steel Anchor Bolt, Spiral Wound Gasket, Flange Nuts, Mild Steel Hex Nuts and Steel Blind Flanges.

Stainless Steel Slip On Flanges

  • Material Inconel Alloy
  • Number Of Flower Slip-On Pipe Flanges
  • Name Stainless Steel Slip On Flanges
  • Recommended Preheating Temperature 200-300 Degrees Celsius
Hariom Steel is a leading supplier of Slip-On Pipe Flanges, known for their strong corrosion resistance. These flanges are used in a variety of applications, including boiler barriers, furnace parts, tube bases, oil burner components, kiln linings, glass melds, annealing cases, and industrial mufflers. Made from Inconel Alloy, they offer resistance to oil-ash rust and can withstand molten copper, lead, and tin. This material is ideal for furnace components, kiln linings, and heating frames. For heavier construction components, it is recommended to maintain preheating and inter-pass temperatures between 200 and 300 degrees Celsius. Due to its exceptional oxidation protection at high temperatures, it is extensively used in furnace components and boiler baffles. It is the only heat-resistant metal capable of enduring liquid copper and brass.

Size Chart 1/2" (15 NB) to 48" (1200NB) DN10~DN5000
Standards ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, ASME Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, GOST Flange, ASME/ASME B16.5/16.36/16.47A/16.47B, MSS S44, ISO70051, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605, EN1092
Pressure Rating ANSI Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS
DIN 6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64
JIS 5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K
UNI 6Bar 10Bar 16Bar 25Bar 40Bar
EN 6Bar 10Bar 16Bar 25Bar 40Bar
Coating Oil Black Paint, Anti-rust Paint, Zinc Plated, Yellow Transparent, Cold and Hot Dip Galvanized
Most Common Types Forged / Threaded / Screwed / Plate
Test Certificates EN 10204/3.1B
Raw Materials Certificate
100% Radiography Test Report
Third Party Inspection Report, etc
Production technique
  • Forged, Heat treated and machined
Connect Type/ Flange Face Type Raised Face (RF), Ring Type Joint (RTJ), Flat Face (FF), Large Male-Female (LMF), Lap-Joint Face (LJF), Small Male-Female (SMF), Small Tongue, Large Tongue & Groove
Special design

As per your drawing
AS, ANSI, BS, DIN and JIS
15 NB (1/2") to 200 NB (8")
Equal and Reducing Configurations

Test Direct-reading Spectrograph, Hydrostatic testing machine, X-ray detector, UI trasonic flaw detector, Magnetic particle detector
Equipment Press machine, Bending machine, Pushing Machine, electric bevelling machine, Sand-blasting machine etc
Origin Indian / West Europe / Japan / USA / Korean






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Steel Weld Neck Flanges

  • Number Of Flower Weld Neck Pipe Flanges
  • Material Super Duplex Steel
  • Heated Work Range 2000°F - 2200°F (1093°C - 1204°C)
  • Minimum Working Temperature 1650°F (899°C)
  • Tempering Temperature Up To 1350°F (732°C)
  • Oxidation Resistance Temperature Up To 1500°F Sporadically, 1200°F Constantly
Hariom Steel is a distinguished supplier of Weld Neck Pipe Flanges, which can be welded using any conventional technique. Its appropriate heated work range is 2000 degrees Fahrenheit to 2200 degrees Fahrenheit (1093 degrees Celsius to 1204 degrees Celsius), but it should not be worked below 1650 degrees Fahrenheit (899 degrees Celsius). Super Duplex Steel Weld Neck Flanges is hard enable steel that can be tempered as high as 1350 degrees Fahrenheit to create high impact toughness and is oxidation resistant up to 1500 degrees Fahrenheit sporadically and 1200 degrees Fahrenheit constantly. Temper for desired rigidity, furnace or air cool to 1750F - 1850F (954C - 1010C), and oil quench for maximum hardness. This steel is typically chosen based on heat treating reaction, mechanical qualities, and fabricating traits, depending on the customer 's end-use needs.

Size Chart 1/2" (15 NB) to 48" (1200NB) DN10~DN5000
Standards ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, ASME Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, GOST Flange, ASME/ASME B16.5/16.36/16.47A/16.47B, MSS S44, ISO70051, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605, EN1092
Pressure Rating ANSI Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS
DIN 6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64
JIS 5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K
UNI 6Bar 10Bar 16Bar 25Bar 40Bar
EN 6Bar 10Bar 16Bar 25Bar 40Bar
Coating Oil Black Paint, Anti-rust Paint, Zinc Plated, Yellow Transparent, Cold and Hot Dip Galvanized
Most Common Types Forged / Threaded / Screwed / Plate
Test Certificates EN 10204/3.1B
Raw Materials Certificate
100% Radiography Test Report
Third Party Inspection Report, etc
Production technique
  • Forged, Heat treated and machined



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Steel Blind Flanges

  • Corrosion Resistance Restricted Without Further Improvement
  • Tensile Strength Decreases Significantly At Higher Temperatures
  • Rust Resistance Excellent
  • Chromium Carbide Compounds Develop For Wear Protection
Hariom Steels is a distinguished supplier and distributor of Blind Pipe Flanges, which is a high-grade austenitic steel with excellent rust resistance. However, corrosion resistance is restricted unless it is improved further through procedures such as hardening, tempering, and polishing. Because of the high carbon concentration in these Inconel Alloy Blind Flanges, chromium carbide compounds develop, giving exceptional wear protection and edge retention when hardened. However, using this product at these higher operating temperatures results in a significant decrease in tensile strength and hardness, with a following rise in ductility. When heated to 1500 degrees Fahrenheit or higher, they will harden to some extent unless gently chilled to below the crucial temperature. It undergoes heating at temperatures ranging from 1200 to 1400 degrees Fahrenheit (649 to 760 degrees Celsius), followed by air chilling.
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Steel Socket Weld Flanges

  • Number Of Flower Socket Weld Flanges
  • Material Austenitic Steel
  • Application Process Sector
  • Corrosion Protection Intermediate To High
  • Special Feature High Alloy Makeup
Hariom Steels is a distinguished supplier of Socket Weld Pipe Flanges, which is a type of austenitic steel with intermediate to high corrosion protection. Alloy 20 Socket Weld Flanges is a high alloyed, acid-proof steel that has been created to withstand corrosion in dilute sulphuric acid. This is super austenitic steel with intermediate to high corrosion protection in a variety of industrial environments. It is high-alloy austenitic steel designed for use in the process sector under extreme corrosion circumstances. It is austenitic steel designed for use under extreme corrosion conditions, with excellent resilience to acidic assaults such as sulphuric, phosphoric, and acetic acid. This is an austenitic steel standard with intermediate to high corrosion resistance, and its high alloy makeup provides excellent resistance to pitting and corrosion in a variety of settings.
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Spectacle Blind Flanges

  • Strength Great Strength And Hardness
  • Corrosion Protection Excellent Corrosion Protection
  • Nitriding Procedure Can Reduce Corrosion Resistance
  • Recommended Usage Critical Situations Where Benefits Outweigh Drawbacks
Hariom Steels is a supplier of Spectacle Pipe Flanges, known for their great strength and hardness, as well as excellent corrosion protection. However, the nitriding procedure of these Alloy 20 Spectacle Blind Flanges can reduce corrosion resistance and is generally recommended only in critical situations where the benefits outweigh the drawbacks. These flanges are used in a variety of applications, including cutlery, steam and gas turbine blades, kitchen tools, bolts, nuts, screws, pump and valve components, shafts, mine climbing rigs, dental and medical instruments, nozzles, hardened steel balls, and seats for oil well pumps. Due to its lower strength, it can handle some pressure that might otherwise contribute to element cracking. However, it is not completely resistant to environmental conditions such as aerated saltwater.

Size Chart 1/2" (15 NB) to 48" (1200NB) DN10~DN5000
Standards ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, ASME Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, GOST Flange, ASME/ASME B16.5/16.36/16.47A/16.47B, MSS S44, ISO70051, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605, EN1092
Pressure Rating ANSI Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS
DIN 6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64
JIS 5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K
UNI 6Bar 10Bar 16Bar 25Bar 40Bar
EN 6Bar 10Bar 16Bar 25Bar 40Bar
Coating Oil Black Paint, Anti-rust Paint, Zinc Plated, Yellow Transparent, Cold and Hot Dip Galvanized
Most Common Types Forged / Threaded / Screwed / Plate
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Long Weld Neck Flanges

  • Application industrial
  • Corrosion Protection Modest Across Various Environments
  • Machinability Commonly Hardened Yet Remain Machinable
  • Heat Resistance Essential To Grind Tacks Or Ensure They Are Free Of Crater Cracks
  • Environmental Resistance Not Entirely Impervious To Aerated Saltwater
Hariom Steels is a distinguished supplier of Long Weld Neck Pipe Flanges, which are commonly hardened yet remain machinable. Duplex Steel Long Weld Neck Flanges offer modest corrosion protection across various environments, positioned between standard austenitic alloys and highly alloyed molybdenum types. However, they are not entirely impervious to environmental conditions such as aerated saltwater. Due to the tendency of this steel, combined with austenitic weld metal and excessive heat input, to develop heat cracks, it is essential to grind tacks or ensure they are free of crater cracks. These flanges have a wide range of applications, including in dentistry and surgical tools, pipes, valves and nozzles, automobile components, and more.

Size Chart 1/2" (15 NB) to 48" (1200NB) DN10~DN5000
Standards ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, ASME Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, GOST Flange, ASME/ASME B16.5/16.36/16.47A/16.47B, MSS S44, ISO70051, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605, EN1092
Pressure Rating ANSI Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS
DIN 6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64
JIS 5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K
UNI 6Bar 10Bar 16Bar 25Bar 40Bar
EN 6Bar 10Bar 16Bar 25Bar 40Bar
Coating Oil Black Paint, Anti-rust Paint, Zinc Plated, Yellow Transparent, Cold and Hot Dip Galvanized
Most Common Types Forged / Threaded / Screwed / Plate
Test Certificates EN 10204/3.1B
Raw Materials Certificate
100% Radiography Test Report
Third Party Inspection Report, etc



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Mild Steel Hex Bolt

  • Application Construction, Automotive, Machinery, Fastening Components
  • Strength Durable And Strong
  • Surface Area Greater For Applying Torque
  • Installation Easy With Standard Tools
Hex Bolts are standard fastening components characterized by their six-sided head, which allows for secure tightening with a wrench or socket. They are widely used in various industries including construction, automotive, and machinery due to their durability and strength. The hexagonal shape provides a greater surface area for applying torque, ensuring a tight and reliable connection. These bolts are available in various materials and sizes to accommodate different load requirements and environmental conditions. Standard six-sided head for secure fastening Suitable for a wide range of applications Available in multiple materials and sizes Provides strong and reliable connections Easy to install with standard tools

Specification Description
ASME B18.2.1 Dimensional specifications for hex bolts
ASTM A307 Specification for carbon steel bolts and studs, 60,000 psi tensile strength
ASTM A325 Specification for high-strength bolts for structural steel joints
ASTM A490 Specification for heat-treated steel structural bolts, 150,000 psi tensile strength
ASTM F3125 Specification for high-strength structural bolts, steel and alloy steel, heat treated
SAE J429 Specification for mechanical and performance requirements for externally threaded fasteners
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Mild Steel Anchor Bolt

  • Application Securing Structures To Concrete, Construction, Machinery Installation
  • Size Varies
  • Design Features Efficient Load Transfer, Strong Connections
Anchor bolts are essential fastening components designed to attach structures or objects to concrete. They are crucial in various applications, including construction, machinery installation, and building anchorage. Anchor bolts provide robust support and stability, ensuring that the connected elements remain securely in place. Available in different types and sizes, anchor bolts can meet diverse load requirements and environmental conditions. Their design ensures efficient load transfer, enhancing the overall structural integrity. Designed for securing structures to concrete Essential for construction and machinery installation Available in multiple materials and sizes Provides strong and reliable connections Variety of types to suit specific applications

Specification Description
ASTM F1554 Specification for anchor bolts, steel, 36, 55, and 105-ksi yield strength
AISC 360 Specification for structural steel buildings, including anchor bolt requirements
ACI 318 Building code requirements for structural concrete, detailing anchor bolt usage
ISO 898-1 Mechanical properties of fasteners made of carbon steel and alloy steel
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Mild Steel Hex Nuts

  • Shape Hexagonal
  • Application Secure Fastening In Various Applications
  • Number Of Flower Hex Nuts
  • Compatibility Wide Range Of Bolts And Screws
Hex nuts are one of the most common types of nuts, known for their hexagonal shape which provides easy wrenching and turning. They are used in conjunction with bolts, screws, and other fasteners to secure materials together. Standard six-sided nut design Used in various applications for secure fastening Compatible with a wide range of bolts and screws Available in different materials like steel, stainless steel, brass, and nylon Ideal for general-purpose use

Specification Description
Hex Nuts Standard EU, IFI, CSN, Italian, ASME, British BS, Indian IS, ISO, DIN, Polish PN, SAE
Hex Nuts Sizes M6 to M42
Hex Nuts Length 1/8″ – 4″
Hex Nuts Materials High Tensile, Carbon Steel, Stainless Steel, Inconel Fasteners, Incoloy Fasteners, Hastelloy Fasteners, Monel Fasteners, Silicon Bronze, Phosphor Bronze, Aluminium Bronze, Nickel, Brass, Copper, Copper Nickel, Nitronic, Nimonic, ASME, ASTM
Hex Nuts Coating PTFE Coated Hex Nuts, Hot Dip Galvanized Hex Nuts, Yellow Zinc Plated Hex Nuts, Blue Zinc Plated Hex Nuts, Black Zinc Plated Hex Nuts, Zinc Cobalt Plated Hex Nuts, Aluminium Zinc Flake Coated Hex Nuts, Black Phosphate Hex Nuts, Zinc Plated Hex Nuts, Nickel Plated Hex Nuts
High Tensile Grades 8.8 Hex Nuts, 10.9 Hex Nuts, 12.9 Hex Nuts, 14.9 Hex Nuts
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Mild Steel Heavy Hex Nuts

  • Application High-strength And Heavy-duty Applications
  • Size Varies Based On Specifications
  • Material Mild Steel
  • Thickness Thicker Than Standard Hex Nuts
  • Common Applications Structural And Industrial Projects
Heavy hex nuts are larger and thicker than standard hex nuts, offering greater strength and load-bearing capacity. They are typically used in heavy-duty applications where extra durability is required. Thicker and wider than standard hex nuts Designed for high-strength and heavy-duty applications Commonly used in structural and industrial projects Provides superior load distribution Made from high-strength materials

Specification Description
Heavy Hex Nuts Standard EU, IFI, CSN, Italian, ASME, British BS, Indian IS, ISO, DIN, Polish PN, SAE
Heavy Hex Nuts Sizes M2 to M33
Heavy Hex Nuts Length 3mm to 200mm
Heavy Hex Nuts Materials High Tensile, Carbon Steel, Stainless Steel, Inconel Fasteners, Incoloy Fasteners, Hastelloy Fasteners, Monel Fasteners, Silicon Bronze, Phosphor Bronze, Aluminium Bronze, Nickel, Brass, Copper, Copper Nickel, Nitronic, Nimonic, ASME, ASTM
Heavy Hex Nuts Coating PTFE Coated Heavy Hex Nuts, Hot Dip Galvanized Heavy Hex Nuts, Yellow Zinc Plated Heavy Hex Nuts, Blue Zinc Plated Heavy Hex Nuts, Black Zinc Plated Heavy Hex Nuts, Zinc Cobalt Plated Heavy Hex Nuts, Aluminium Zinc Flake Coated Heavy Hex Nuts, Black Phosphate Heavy Hex Nuts, Zinc Plated Heavy Hex Nuts, Nickel Plated Heavy Hex Nuts
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Mild Steel Lock Nuts

  • Number Of Flower Metal Lock Nuts
  • Material Mild Steel
  • Packaging Type Bulk
  • Application Prevents Loosening Under Vibration And Torque
  • Name Mild Steel Lock Nuts
Lock nuts are specially designed to prevent loosening under vibration and torque. They come in various types, including nylon insert lock nuts, metal lock nuts, and prevailing torque nuts. Prevents loosening due to vibration Ideal for applications with high vibration Available in nylon insert and metal variants Ensures secure and long-lasting fastening Used in automotive, machinery, and aerospace industries

Specification Description
Lock Nuts Standard EU, IFI, CSN, Italian, ASME, British BS, Indian IS, ISO, DIN, Polish PN, SAE
Lock Nuts Sizes 3 mm to 200 mm
Lock Nuts Length 1/2″ to 2″
Lock Nuts Materials High Tensile, Carbon Steel, Stainless Steel, Inconel Fasteners, Incoloy Fasteners, Hastelloy Fasteners, Monel Fasteners, Silicon Bronze, Phosphor Bronze, Aluminium Bronze, Nickel, Brass, Copper, Copper Nickel, Nitronic, Nimonic, ASME, ASTM
Lock Nuts Coating PTFE Coated Lock Nuts, Hot Dip Galvanized Lock Nuts, Yellow Zinc Plated Lock Nuts, Blue Zinc Plated Lock Nuts, Black Zinc Plated Lock Nuts, Zinc Cobalt Plated Lock Nuts, Aluminium Zinc Flake Coated Lock Nuts, Black Phosphate Lock Nuts, Zinc Plated Lock Nuts, Nickel Plated Lock Nuts
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Castle Nuts

  • Number Of Flower Fastener
  • Material Steel
  • Packaging Type Bulk
  • Usage Securing Nuts With Cotter Pins
  • Applications Automotive, Machinery
Castle nuts, also known as castellated nuts, have slots (notches) cut into one end. These slots are used to secure the nut with a cotter pin, preventing it from turning and loosening. They are commonly used in applications where the nut must be secured after tightening. Slots for securing with a cotter pin Prevents rotation and loosening Used in automotive and machinery applications Ideal for applications requiring precise locking Commonly used with bolts that have a drilled hole

Specification Description
ASTM F1554 Specification for anchor bolts, steel, 36, 55, and 105-ksi yield strength
AISC 360 Specification for structural steel buildings, including anchor bolt requirements
ACI 318 Building code requirements for structural concrete, detailing anchor bolt usage
ISO 898-1 Mechanical properties of fasteners made of carbon steel and alloy steel
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Flange Nuts

  • Number Of Flower Fastener
  • Material Steel
  • Packaging Type Bulk
  • Usage Automotive And Industrial Applications
  • Name Flange Nuts
Flange nuts have a built-in washer-like flange that distributes pressure evenly over the part being secured. This design reduces the risk of damage to the material and provides a secure, vibration-resistant fastening. Integrated flange for even pressure distribution Reduces the need for a separate washer Provides a strong and secure hold Resistant to loosening from vibration Commonly used in automotive and industrial applications
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Iron Flat Plain Standard Washers

  • Number Of Flower Standard Washer
  • Application Automotive, Machinery, Household Applications
  • Design Flat, Round Disc With A Central Hole
  • Function Distribute Load Of Fastener, Prevent Surface Damage
  • Available Materials Steel, Stainless Steel, Brass, Plastic
Standard washers are essential components used with fasteners like bolts and nuts. Their primary function is to distribute the load of the fastener, prevent damage to the surface being fastened, and reduce the risk of loosening due to vibrations. Flat, round disc design with a central hole Used to distribute the load of a threaded fastener Prevents damage to surfaces by providing a smooth bearing surface Reduces the risk of loosening due to vibrations Available in various materials like steel, stainless steel, brass, and plastic Commonly used in automotive, machinery, and household applications

Material Inner Diameter (ID) Outer Diameter (OD) Thickness
Steel 1/4" 5/8" 1/16"
Stainless Steel 3/8" 7/8" 1/8"
Brass 1/2" 1" 3/32"
Nylon 3/4" 1 1/4" 1/16"
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Iron Spring Washers

  • Number Of Flower Spring Washer
  • Material Iron
  • Name Iron Spring Washers
  • Design Helical Or Wave
Spring washers, also known as lock washers, are designed to prevent fasteners from loosening due to vibrations and torque. Their unique shape allows them to exert a spring force, maintaining tension and holding the fastener in place. Helical or wave design that provides spring force Used to maintain tension and prevent loosening of fasteners Commonly used in applications with vibration or dynamic loads Available in various materials like steel, stainless steel, and brass Provides a locking mechanism without the need for adhesives or locking nuts Ideal for automotive, machinery, and electronic applications
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Iron Hv Washers

  • Number Of Flower HV Washers
  • Material Steel, Stainless Steel
  • Usage High-tension Applications
  • Design High-strength For Structural Use
HV washers are high-strength washers designed to distribute loads and protect surfaces in bolted connections. They are specifically engineered for use in high-tension applications, often paired with HV bolts and nuts to ensure secure and reliable joints. High-strength design suitable for structural applications Used to distribute load and protect the surfaces of bolted joints Commonly used in construction, bridges, and steel structures Manufactured according to standards such as EN 14399-6 Available in various materials like steel and stainless steel Provides a robust and reliable connection for high-load applications
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Spiral Wound Gasket

  • Number Of Flower Gasket
  • Material Metallic And Non-metallic Materials
  • Customization Available Based On Customer's Specifications
Spiral wound gaskets have proven to be the most reliable sealing element for use in difficult, critical and arduous duties. Spiral wound gaskets are used in Refinery, Petrochemical, Chemical, Steam lines and Process Industries, where they have many advantages over older types of gaskets. These gaskets are manufactured to International specifications such as BS, API, ASME, DIN. We also manufacture to customer 's specifications

Material Type Grades
Carbon Steel Carbon
Stainless Steel 304, 304L, 316, 316L, 316Ti, 321, 347, 347H, 410, 430,
Nickel 200
Inconel 600, 625, 800
Incoloy 800, 825
Titanium Grade 2, Grade 7
Hastelloy C-22, C-2000
Copper Copper
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