ASTM A694锻件的理化性能要求
ASTM A694 高压传输设备用碳素钢及合金钢管法兰、配件、阀门及零件用锻件
ASTM A694 - Carbon and Alloy Steel Forgings for Pipe Flanges, Fittings, Valves, and Parts for High-Pressure Transmission Service
化学成分要求
|
Chemical Compositions (max，%) |
|||||
|
C |
Mn |
P |
S |
Si |
|
|
熔炼分析 |
0.26 |
1.40 |
0.025 |
0.025 |
0.15-0.35 |
|
成品分析 |
0.265 |
1.44 |
0.030 |
0.030 |
0.10-0.40 |
机械性能要求
|
钢级 Grade |
Mechanical Properties (min) |
||
|
抗拉强度 Tensile(MPa) |
屈服强度 Yield(MPa) |
延伸率 Elongation % |
|
|
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 |
