Alloy Steel Plates Supplier in Mumbai Maharashtra India

Alloy Steel Plates for Boilers, Thickness 6 Mm - 150 Mm

Minimum Order Quantity : 500 Kilogram
Sold By : Diamond Alloys Inc

Product Specifications

MaterialAlloy Steel (combination Of Chromium, Molybdenum, Nickel, Manganese, Vanadium, And Boron)
Packaging TypeMetallic
Width1000 Mm - 3000 Mm
Length3000 Mm - 12000 Mm
CertificationMill Test Certificate - EN 10204 3.1 / 3.2, Ultrasonic And Impact Test Reports, Chemical And Mechanical Test Results, Third-party Inspection Certificates, Full Traceability And QA/QC Records
Thickness6 Mm - 150 Mm
ApplicationBoilers, Pressure Vessels, Heat Exchangers, Power Plants, Offshore Structures, Oil & Gas Pipelines, Mining Machinery, Heavy Engineering Applications
Number Of FlowerAlloy Steel Plates
Delivery ConditionAs Rolled / Normalized / Quenched & Tempered
Delivery Time7 - 15 Working Days
Surface FinishMill Finish / Shot Blasted / Painted
Supply TypeManufacturer, Exporter, Supplier, Retailer, Distributor, Importer, Trader

Product Overview

Product Overview

Alloy steel plates are engineered with a combination of alloying elements like chromium, molybdenum, nickel, manganese, vanadium, and boron, which enhance the steel’s mechanical strength, toughness, heat resistance, and corrosion resistance. These plates are widely used in boilers, pressure vessels, heat exchangers, power plants, offshore structures, oil & gas pipelines, mining machinery, and heavy engineering applications.

Available in a wide range of grades and specifications, alloy steel plates offer high performance in elevated temperature and high-pressure environments.

Key Features

Excellent high-temperature strength
Superior corrosion and oxidation resistance
Enhanced toughness and impact resistance
Suitable for welding, bending, and forming
Available in quenched & tempered, normalized, or annealed conditions

Common Standards & Grades

StandardGrade Examples

ASTM / ASME	A387 Gr. 11, 12, 22, 5, 9, 91, A204 Gr. A / B / C
EN 10028	16Mo3, 13CrMo4-5, 10CrMo9-10, 14MoV6-3
DIN	15Mo3, 10CrMo910, 12CrMo9-10
BS	1501-622, 620B, 621B
JIS	G3103 SB450M, G3115 SPV410

Specifications

Thickness6 mm – 150 mm

Width	1000 mm – 3000 mm
Length	3000 mm – 12000 mm
Delivery Condition	As Rolled / Normalized / Quenched & Tempered
Surface Finish	Mill Finish / Shot Blasted / Painted
MOQ	10 Metric Tons
Delivery Time	7 – 15 Working Days

Mechanical Properties (Typical for A387 Gr. 11 CL.2)

PropertyValue

Yield Strength	≥ 275 MPa
Tensile Strength	485 – 620 MPa
Elongation	≥ 20%
Impact Toughness	≥ 27 J at -20°C
Hardness (Q&T)	As per grade specification

Chemical Composition (Varies by Grade – Example: A387 Gr. 22 Cl. 2)

CMnSiCrMoPS

0.05–0.15

0.30–0.60

0.50

1.90–2.60

0.87–1.13

≤0.035

Testing & Certification

Ultrasonic Testing (UT) – EN 10160 / ASTM A578
Impact Testing (Charpy V-notch)
Tensile & Bend Testing
Chemical & Hardness Testing
Third-party Inspection – TUV, DNV, Lloyd’s, SGS (upon request)

Applications

Pressure vessels and boilers
Heat exchangers and refinery tanks
Steam lines and high-temperature pipelines
Offshore platforms and petrochemical units
Mining and earth-moving equipment
Power generation and thermal plants

Certifications & Documentation

Mill Test Certificate – EN 10204 3.1 / 3.2
Ultrasonic and Impact Test Reports
Chemical and Mechanical Test Results
Third-party inspection certificates
Full traceability and QA/QC records

Company Overview

Supplier Of Bhn 400 Plates, S355JR+N Plates, S355J2G3 Plates, S355K2+N Plates, Manganese Steel Plates, S355MC Steel Plates, S500MC Steel Plates, S550MC Steel Plates, S600MC Steel Plates, Duplex Steel Sheet, S355JO+N Plates, S355JO Plates, ASTM A283 Grade C Plates, BHN 450 Plates, BHN 500 Plates.

Business Type Manufacturer / Exporter / Supplier / Retailer / Distributor / Importer / Trader
Number of Employees 21 - 50
Year of Establishment 2023
GST No. 27AQCPC2714K1Z4

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Seller Detail

Diamond Alloys Inc

Girgaon, Mumbai, Maharashtra

4.6/5

(18)

Nature of Business Supplier
Member Since 3 Years
GST No. 27AQCPC2714K1Z4
Address 1st Floor, Shop No.105,plot No.2879,2881& 2883, Annapurna Sadan, Vitthalbhai Patel Road, C.p.tank Circle,, Girgaon, Mumbai, Maharashtra, 400004, IN

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