| OD | 10mm-610mm(1/8"-24") |
| WT | 2mm-60mm |
| Length | Random Length: |
| 3.5m to 12m, or fixed length 5.8m or as the customer's requirement | |
| Standard | ASTM A53, ASTM A106, API 5L, DIN 17175, |
| GOST8731/8732, G3457/G3452 etc. | |
| Material | Q235B, 10#,20#,45#, 16Mn, 15MnV. |
| A53B, A106B, API5L B, A192, A179C, A213-T12, A213-T22, | |
| A335-P1, A335-P2, A333 | |
| ST37, ST33, ST37-2, ST35.8 ST52 etc. | |
| Certificate | API certificate and ISO certificate. |
| Surface | Rust remove, black painting, antirust oil, varnish, 3PE, |
| hot-dip galvanized etc. | |
| Package | By bundles, plastic caps or steel caps, woven, |
| wooden cases or as requirement. | |
| Capability | 50000tons/year |
| Advantage | Big diameter and thick wall pipes. |
| Best price with good quality, Good service and very patient. | |
| The partner you can trust. |
| Standard | grade | chemical composition(%) | ||||||||
| C | Si | Mn | P | S | Cu | Ni | Mo | Cr | ||
| DIN 17175 | ST37 ST35.8 | 0.07~0.14 | 0.17~0.37 | 0.35~0.65 | ≤0.035 | ≤0.035 | ≤0.25 | ≤0.25 | / | ≤0.15 |
| ASTM A106 ASTM A53 API 5L | B | 0.17~0.24 | 0.17~0.37 | 0.35~0.65 | ≤0.035 | ≤0.035 | ≤0.25 | ≤0.25 | / | ≤0.25 |
| DIN 17175 | ST42 ST45 | 0.42~0.50 | 0.17~0.37 | 0.50~0.80 | ≤0.035 | ≤0.035 | ≤0.25 | ≤0.25 | / | ≤0.25 |
| DIN 1629 | 0.12~0.20 | 0.20~0.55 | 1.20~1.60 | ≤0.035 | ≤0.035 | ≤0.25 | ≤0.25 | / | ≤0.25 | |










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