1. 18 inch welded stainless steel pipe
2.Standards:ASTM A312, DIN EN10296-2,,etc.
3.Grades: TP304/304L/316/316L/316Ti/347/347H/310S/321,etc
Name | Stainless steel pipe | |||||
| Items | Square tubes, round tubes, oval pipes, special shaped pipes, | |||||
| empaistic pipes, fittings | ||||||
| Standard | ASTM A312,DIN EN10296-2 | |||||
| Material Grade | 201: Ni 0.8%~1% | |||||
| 202: Ni 3.5%~4.5% | ||||||
| 304: Ni 8%, Cr 18% | ||||||
| 316: Ni 10%, Cr 18% | ||||||
| 316L: Ni 10%~14% | ||||||
| 430: Cr16%~18% | ||||||
| Outer Diameter | 16mm--2200mm | |||||
| Thickness | 1mm - 30mm | |||||
| Length | 6m or as customers' request | |||||
| a) Outer Diameter: +/- 0.2mm | ||||||
| b) Thickness: +/- 0.02mm | ||||||
| Tolerance | c) Length: +/- 5mm | |||||
| Surface | 180G, 240G, 320G Satin / Hairline | |||||
| 400G, 600G Mirror finish | ||||||
| Application | petroleum, Foodstuff, chemical industry, construction, electric power, nuclear energy, biotechnology, machinery, papermaking, shipbuilding, boiler fields etc | |||||
| Packinig | weaving bag, non-woven fabric, seaworthy bundle wooden case if required | |||||
| Test | Squash test, extended test, water pressure test, crystal rot test, heat treatment, NDT | |||||
| Material | 201 | 202 | 304 | 316L | 430 | |
| Composition | ||||||
| C | ≤0.15 | ≤0.15 | ≤0.08 | ≤0.035 | ≤0.12 | |
| Si | ≤1.00 | ≤1.00 | ≤1.00 | ≤1.00 | ≤1.00 | |
| Mn | 5.5-7.5 | 7.5-10 | ≤2.00 | ≤2.00 | ≤1.00 | |
| Chemical Composition of Material | P | ≤0.06 | ≤0.06 | ≤0.045 | ≤0.045 | ≤0.040 |
| S | ≤0.03 | ≤0.03 | ≤0.030 | ≤0.030 | ≤0.030 | |
| Cr | 13-15 | 14-17 | 18-20 | 16-18 | 16-18 | |
| Ni | 0.7-1.1 | 3.5-4.5 | 8-10.5 | 10-14 | ||
| Mo | 2.0-3.0 | |||||
| Material Item | 201 | 202 | 304 | 316 | ||
| Tensile Strength | ≥535 | ≥520 | ≥520 | ≥520 | ||
| Mechanical Property | Yield Strength | ≥245 | ≥205 | ≥205 | ≥205 | |
| Extension | ≥30% | ≥30% | ≥35% | ≥35% | ||
| Hardness (HV) | <105 | <100 | <90 | <90 | ||
