Specifications: diameter: 320 to 127 mm thickness: 0.4 to 12.7 mm Length: 6 m above, and, in accordance with customer demand, supply and other specifications of steel pipe

forged flanges manufacturing standards

Manufacturing standards: 
According to GB9112-9124, GB13402, SH3406, HG20615-20623 
HG20592-20605, JB74-90, ASME / ANSI B16.5/16.36/16. 
47A/16.47B, MSS SP-44, JIS2220-2001, DIN2527/2636/2637/2638/2566/2576/2632/2633/2635 / 
2642/2653/2656/2655, BS1560-3.1, BS4504-3.1 tendering 
forged pipe flange
Size range: 
DN15-DN1500 (1/2 "-60") 
Pressure rating: 
class 150LBS, 300LBS, 600LBS, 900LBS, 1500LBS, 
PN0.6, 1.0,1.6,2.5,4.0,6.3,10.0,16.0,25.0 
Flange type: 
Welded flange, welded flange, socket welding flanges, threaded flange, flange 
Cover, etc.; 
Material Material: 
Carbon steel (CS): 20 #, Q235B, 16Mn, ASTM A105/A105N 
ASTM A350 LF1, LF2 CL1/CL2, LF3 CL1/CL2, ASTM A694 F42/F46/F48/F50/F52/F56/F60/F65 / F70; 
Stainless steel (SS): 304/304L/316/316L/321, ASTM A182 F304/F304L/F316/F316L 
Alloy Steel (AS): 1Cr5Mo, 12CrMo, 12CrMoG, 12Cr1MoV 
15CrMo, 15CrMoG, ASTM A182 F1 / F5/F9/F11/F12/F22 / 
F91, A182F12, A182F11;


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