| Kev piav qhia | Seamless Stainless Hlau Coil Tubing | ||
| Khoom siv & Standard & Loj | Khoom siv: 201,202,301,304,304L, 310S, 316,316L, 321,347 Txuj: ASTM (ASME) SA / A312 / A213 / A269, DIN, JIS, EN | ||
| Tawm Dav: Φ6mm-25mmWall Thickness: Φ0.7mm-2.11mm Kev kam rau ua: OD: ± 0.08mm, WT: ± 10% | |||
| Ntev | Raws li qhov ntau thiab tsawg, ib coil ntev yog nyob rau hauv 500 meter tag nrho cov coil raj tsis welded point. | ||
| Kev kho saum npoo | Pickling los yog Polish Annealed | ||
| Technical | Cold rolling firstly, ces txias drawn coil | ||
| Hom kev xa khoom | Mos | ||
| Hom | Seamless thiab Weld | ||
| Daim ntawv thov | Stainless hlau coil tubing yog dav siv nyob rau hauv Roj Drilling, Tshuaj, SteamShip Manufacturing kev lag luam, Thaum tshav kub kub Exchanger thiab txias Condenser Chemical Industry, Gas Pipeline thiab lwm yam | ||
Stainless Hlau Qib
| Tshuaj muaj pes tsawg leeg | MaterialComposition | 201 | 304l ua | 304 | 316 | 316l ua |
| C | ≤ 0.15 | ≤ 0.03 | ≤ 0.08 | ≤ 0.08 | ≤ 0.03 | |
| Si | ≤ 1.00 | ≤ 1.00 | ≤ 1.00 | ≤ 1.00 | ≤ 1.00 | |
| Mn | 5.5-7.5 | 7.5-10 | ≤ 2.00 | ≤ 2.00 | ≤ 2.00 | |
| P | ≤ 0.06 | ≤ 0.035 | ≤ 0.035 | ≤ 0.035 | ≤ 0.035 | |
| S | ≤ 0.03 | ≤ 0.03 | ≤ 0.03 | ≤ 0.03 | ≤ 0.03 | |
| Cr | 16-18 | 18-20 | 18-20 | 16-18 | 16-18 | |
| Ni | 3.5-5.5 | 8–12 | 8-10.5 Nws | 10-14 | 10-14 | |
| Mo | 2.0-3.0 Nws | 2.0-3.0 Nws | ||||
| Mechanical Property | Khoom siv | 201 | 304l ua | 304 | 316 | |
| Tensile zog | ≥535 | ≥520 | ≥520 | ≥520 | ||
| Yield zog | ≥245 | ≥205 | ≥205 | ≥205 | ||
| Txuas ntxiv | ≥30% | ≥40% | ≥35% | ≥35% | ||
| Hardness (HV) | <253 | <200 | <200 | <200 | ||
Post lub sij hawm: Jan-20-2023