Pipe Flanges Manufacturer & Supplier
4D STEEL LIMITED supplies the type of industrial flanges you need for your project. Our flanges are manufactured in a wide range of materials and are engineered to meet all industry standards and service requirements. Some of the common flanges our company supplies include:
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Flange Standards:
ANSI/ASME Standard: ANSI B16.5, ANSI B16.47 Series A & B, MSS-SP-44, API 605, API6A in class 150 to 2500.
AWWA C207 flanges in Class B, Class D, Class E, Class F, Ring, Blind & Hub.
European DIN, UNI, EN 1092-1, BS 4504, ISO, NS, NFE29203 flanges in Pressure PN6 to PN100.
Japanese JIS B2220 & Korean KS B1503 flanges in pressure 5K to 40K.
Russian GOST 12820-80, GOST 12821-80, GOST 12815-80 in pressure PN0.6MPa to PN10MPa.
South African SABS 1123 / SANS 1123 in Class 600kPa to 4000kPa.
Flange Materials:
Carbon Steel: ASTM A105/A105N
A350 LF1, LF2 CL1/CL2, LF3 CL1/CL2
A694 F42, F46, F48, F50, F52, F56, F60, F65, F70
A516.60, 65, 70 (Spectacle Blind Flange, Spacer Ring/Spade Flange)
Steel RST37.2, C22.8
Stainless Steel: ASTM A182 F304/304L, F316/316L, F316H, F316TI, F310, F321;
Alloy Steel: ASTM A182 F1, F5, F9, F11, F22, F91
Duplex & Super Duplex Steel: ASTM A182 F51/UNS S31803, A182 F53/UNS S32750
ASTM A182 F55 / UNS S3260
Flange Face Type: Flat Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
Flange Nominal Diameter Range: 1/2” – 96”, DN15-DN2000
Nominal Pressure Range: 150# – 2500# (PN6 – PN40)
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