Weld Neck Flanges

Size: ½” to 48”
Class: 150#, 300#, 400#, 600#, 900#, 1500#, 2500#

Size : 1/2"NB TO 60"NB IN
Class : 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS, DIN Standard ND-6,10, 16, 25, 40 Etc. 
SPECIFICATIONS AS PER THE INTERNATIONAL STANDARD ASTM, ASME, API, AISI, BS, ANSI, DIN, JIS, MSSP, NACE 
Materials
Nickel Alloy Weld Neck Flanges :
Standard :

• ASTM / ASME SB 564 / 160 / 472.
• UNS 10276 -Hastelloy C 276 Weld Neck Flanges
• UNS 2200 -NICKEL 200 Weld Neck Flanges
• UNS 2201 -NICKEL 201 Weld Neck Flanges
• UNS 4400 -MONEL 400 Weld Neck Flanges
• UNS 8020 -ALLOY 20 Weld Neck Flanges
• UNS 8825 -Inconel 825 Weld Neck Flanges
• UNS 6600 -Inconel 600 Weld Neck Flanges
• UNS 6601 -Inconel 601 Weld Neck Flanges
• UNS 6625 -Inconel 625 Weld Neck Flanges

Copper Alloy Weld Neck Flanges

• ASTM / ASME SB 61 / 62 / 151 / 152.
• C 70600 (CU -NI- 90/10) – Cupro Nickel Weld Neck Flanges
• C 71500 (CU -NI- 70/30) – Copper Nickel Weld Neck Flanges
• UNS NO. C 92200, UNS NO. C 83600, UNS NO. UNS NO C 10100,
• C 10200, C 10300, C 10800, C 12000, C 12200

Duplex Steel Weld Neck Flanges
ASTM / ASME A/SA 182 UNS F 44, F 45, F51, F 53, F 55, F 60, F 61.
Stainless Steel Weld Neck Flanges – SS WNRF Flanges

• ASTM SA 240
• ASTM A182
• Grade : F 304, 304L, 304H, 309S, 309H, 310S, 310H, 316, 316TI, 316H, 316L, 316LN, 317, 317L, 321, 321H, 347, 347H, 904L.

Alloy Steel Weld Neck Flanges – AS WNRF Flanges
ASTM SA 182 F1/F5/F9/F11/F22/F91
Carbon Steel Weld Neck Flanges – CS WNRF Flanges
ASTMA 105 Gr. F42/46/52/56/60/65/70
Low Temperature Carbon Steel Weld Neck Flanges – LTCS WNRF Flanges
A350 LF2/A350 LF3