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ASTM A53
ASTM A106
API 5L
ASTM A333
ASTM A335
ASTM A312
ASTM A350
ASTM A105
ASTM A694
ASTM A182
A350 LF2
ASTM A234
ASTM A420
ASTM A860
 A193 B7
A194 2H
A240 GR.410
A312 S31726

ASTM A694 

百人牛牛系统有什么规律 www.rfcdk.com ASTM A694 – Carbon and Alloy Steel Forgings for Pipe Flanges, Fittings, Valves, and Parts for High-Pressure Transmission Service

Chemical   Compositions  (max, %)

  C Mn P S Si
Heat Analysis 0.26 1.40 0.025 0.025 0.15-0.35
Product Analysis 0.265 1.44 0.030 0.030 0.10-0.40

 

Mechanical Properties   (min )

Grade Tensile Strength MPa Yield Strength MPa Elongation in 2
in. or 50 mm,%
F42 415 290 20
F46 415 315 20
F48 425 330 20
F50 440 345 20
F52 455 360 20
F56 470 385 20
F60 515 415 20
F65 530 450 20
F70 565 485 18