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标准：API 5L 钢号：A, B, X42, X46, X52, X56, X60, X65, X70 用途：用于石油天然气工业中的气、油、水的输送。 外径：Seamless (1/4"~24") ERW (8"~24") LSAW (16"~64") SSAW (8"~100") 壁厚：Sch20, Sch30, Sch40, Sch80, Sch160, Sch XXS, Sch STD |
尺寸公差
|
外径公差 |
壁厚公差 |
||||
|
A, B |
X42, X46, X52, X56, X60, X65, X70 |
||||
|
D< |
+0.41/ |
D< |
+20%/-12.5% |
D< |
+15%/-12.5% |
|
D> |
+0.75/ |
D>= |
+15%/-12.5% |
D>= |
+15%/-12.5% |
化学成分(%)
|
|
PSL1 |
PSL2 |
||||||
|
钢号 |
C (Max.) |
Mn(Max.) |
P(Max.) |
S(Max.) |
C (Max.) |
Mn(Max.) |
P(Max.) |
S(Max.) |
|
A |
0.22 |
0.90 |
0.03 |
0.03 |
0.22 |
1.20 |
0.025 |
0.015 |
|
B |
0.26 |
1.20 |
0.03 |
0.03 |
0.22 |
1.30 |
0.025 |
0.015 |
|
X42 |
0.26 |
1.30 |
0.03 |
0.03 |
0.22 |
1.40 |
0.025 |
0.015 |
|
X46 |
0.26 |
1.40 |
0.03 |
0.03 |
0.22 |
1.40 |
0.025 |
0.015 |
|
X52 |
0.26 |
1.40 |
0.03 |
0.03 |
0.22 |
1.40 |
0.025 |
0.015 |
|
X56 |
0.26 |
1.40 |
0.03 |
0.03 |
0.22 |
1.40 |
0.025 |
0.015 |
|
X60 |
0.26 |
1.40 |
0.03 |
0.03 |
0.22 |
1.45 |
0.025 |
0.015 |
|
X65 |
0.26 |
1.45 |
0.03 |
0.03 |
0.22 |
1.65 |
0.025 |
0.015 |
|
X70 |
0.26 |
1.65 |
0.03 |
0.03 |
0.22 |
1.85 |
0.025 |
0.015 |
机械性能
PSL 1
|
钢号 |
屈服强度(Min.) |
抗拉强度(Min.) |
延伸率 |
||
|
Ksi |
MPa |
Ksi |
MPa |
E= |
|
|
B |
35 |
241 |
60 |
414 |
|
|
X42 |
42 |
290 |
60 |
414 |
|
|
X46 |
46 |
317 |
63 |
434 |
|
|
X52 |
52 |
359 |
66 |
455 |
|
|
X56 |
56 |
386 |
60 |
414 |
|
|
X60 |
60 |
414 |
63 |
434 |
|
|
X65 |
65 |
448 |
66 |
455 |
|
PSL 2
|
钢号 |
屈服强度 |
抗拉强度 |
延伸率 |
||||||
|
Min |
Max |
Min |
Max |
E= |
|||||
|
Ksi |
MPa |
Ksi |
MPa |
Ksi |
MPa |
Ksi |
MPa |
||
|
B |
35 |
241 |
65 |
448 |
60 |
414 |
110 |
758 |
|
|
X42 |
42 |
290 |
72 |
496 |
60 |
414 |
110 |
758 |
|
|
X46 |
46 |
317 |
76 |
524 |
63 |
434 |
110 |
758 |
|
|
X52 |
52 |
359 |
77 |
531 |
66 |
455 |
110 |
758 |
|
|
X56 |
56 |
386 |
79 |
544 |
71 |
490 |
110 |
758 |
|
|
X60 |
60 |
414 |
82 |
565 |
75 |
517 |
110 |
758 |
|
|
X65 |
65 |
448 |
87 |
600 |
77 |
531 |
110 |
758 |
|