JIS G3462 STBA12 seamless alloy steel line pipe .
1. Standard: JIS G3461,JIS G3462
2. Grade: STBA12/13/20/22/23/24/25/26
3. OD:1/8"-4" (10-114.3mm)
4. WT: SCH10s-XXS(2.11-25.4mm)
5. Length: 4-12m random or fixed
6. Usage: used for the conveyance oxygen, water, oil and gas in the Petroleum and natural gas industry
7. Surface: coated with black oil.
8. Ends: Plain ends or Bevel ends.
9. Marking: size, material grade, standard, heat no.
10. Mill test certificate: according to EN 10204 3.1B
11. Delivery condition: Annealed,Normalized,Normalized and Tempered
12. Production capacity: 1000 metric tons per month
| hemical Composition, % |
| Grade | C | Mn | Si | P | S | Mo |
| STBA 12 | 0.10~0.20 | 0.30~0.80 | 0.10~0.50 | 0.035 | 0.035 | 0.45~0.65 |
| STBA 13 | 0.15~0.25 | 0.30~0.80 | 0.10~0.50 | 0.035 | 0.035 | 0.45~0.65 |
| | Yield Strength, min | Tensile Strength, min | Elongation, min,% |
| Grade | Mpa | Ksi | Mpa | Ksi | 30 |
| STBA 12 | 205 | --- | 380 | --- |
| STBA 13 | 205 | --- | 410 | --- |
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