Tolerance
Standard
|
Out Diameter |
Wall Thickness |
API 5L |
Tolerance |
Tolerance |
D<60.3 |
+0.41mm, -0.80mm |
+15.0%, -12.5% |
D≥60.3 |
+0.75%D, -0.75%D |
+15.0%, -12.5% |
Chemical Composition & Mechanical Properties
Standard |
Grade |
Chemical Components (%) |
Mechanical Properties |
C |
Si |
Mn |
P |
S |
Tensile STrength(Mpa) |
Yield STrength(Mpa) |
API 5L PSL1 |
A |
0.22 |
- |
0.90 |
0.030 |
0.030 |
≥331 |
≥207 |
B |
0.28 |
- |
1.20 |
0.030 |
0.030 |
≥414 |
≥241 |
X42 |
0.28 |
- |
1.30 |
0.030 |
0.030 |
≥414 |
≥290 |
X46 |
0.28 |
- |
1.40 |
0.030 |
0.030 |
≥434 |
≥317 |
X52 |
0.28 |
- |
1.40 |
0.030 |
0.030 |
≥455 |
≥359 |
X56 |
0.28 |
- |
1.40 |
0.030 |
0.030 |
≥490 |
≥386 |
X60 |
0.28 |
- |
1.40 |
0.030 |
0.030 |
≥517 |
≥448 |
X65 |
0.28 |
- |
1.40 |
0.030 |
0.030 |
≥531 |
≥448 |
X70 |
0.28 |
- |
1.40 |
0.030 |
0.030 |
≥565 |
≥483 |
API 5L PSL2 |
B |
0.24 |
- |
1.20 |
0.025 |
0.015 |
≥414 |
≥241 |
X42 |
0.24 |
- |
1.30 |
0.025 |
0.015 |
≥414 |
≥290 |
X46 |
0.24 |
- |
1.40 |
0.025 |
0.015 |
≥434 |
≥317 |
X52 |
0.24 |
- |
1.40 |
0.025 |
0.015 |
≥455 |
≥359 |
X56 |
0.24 |
- |
1.40 |
0.025 |
0.015 |
≥490 |
≥386 |
X60 |
0.24 |
- |
1.40 |
0.025 |
0.015 |
≥517 |
≥414 |
X65 |
0.24 |
- |
1.40 |
0.025 |
0.015 |
≥531 |
≥448 |
X70 |
0.24 |
- |
1.40 |
0.025 |
0.015 |
≥565 |
≥483 |
X80 |
0.24 |
- |
1.40 |
0.025 |
0.015 |
≥621 |
≥552 |
FAQ
1.Q: Are you a factory or trading company?
A: We are professional manufacturer, and our company also is a very professional a trade company for steel products.We can provide a wide range of steel products.
2.Q:What do your factory do regarding quality control?
A: We have obtained ISO, CE and other certifications. From materials to products, we check every process to maintain good quality.
3.Q: Can I get samples before order ?
A: Yes, of course. Usually our samples are free. we can produce by your samples or technical drawings.
4.Q:How do you make our business long-term and good relationship?
A:We keep good quality and competitive price to ensure our customers benefit ; We respect every customer as our friend and we sincerely do business and make friends with them.No matter where they come from.
5.Q:what is your delivery time ?
A: Our delivery time is about one week, timing according to the number of customers.