Size scope:
| Type |
OD |
Thickness |
| SEAMLESS: |
Ø33.4-323.9mm (1-12 in) |
4.5-55mm |
| ERW: |
Ø21.3-609.6mm (1/2-24 in) |
8-50mm |
| SAWL: |
Ø457.2-1422.4mm (16-56 in) |
8-50mm |
| SSAW: |
Ø219.1-3500mm (8-137.8 in) |
6-25.4mm |
Equivalent grades
| Standard |
Grade |
| API 5L |
A25 |
Gr A |
GrB |
X42 |
X46 |
X52 |
X56 |
60 |
65 |
70 |
GB/T 9711
ISO 3183 |
L175 |
L210 |
L245 |
L290 |
L320 |
L360 |
L390 |
L415 |
L450 |
L485 |
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.
