| Name | StainlessSteelroundtube |
| Standard | ASTMA554,A249,A269andA270,A312 |
| MaterialGrade | 201(Ni0.8%), 202(Ni3.5%~4.5%), 301(Ni5%) 304(Ni8%,Cr18%), 316(Ni10%,Cr18%), 316L(Ni10%~14%), 430 |
| OuterDiameter | 6mm--159mm |
| Thickness | 0.3mm-3.0mm |
| Length | 6morascustomers'request |
| Tolerance | a)OuterDiameter:+/-0.2mm |
| b)Thickness:+/-0.02mm |
| c)Length:+/-5mm |
| Surface | 180G,320G,400GSatin/Hairline 400G,500G,600Gor800GMirrorfinish |
| Application | Decorationconstruction,upholstery,industryinstrument |
| Test | Squashtest,extendedtest,waterpressuretest,crystalrottest,heattreatment,NDT |
| ChemicalCompositionofMaterial | Material Composition | 201 | 202 | 304 | 316 | 430 |
| C | ≤0.15 | ≤0.15 | ≤0.08 | ≤0.08 | ≤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 |
| P | ≤0.06 | ≤0.06 | ≤0.045 | ≤0.045 | ≤0.040 |
| S | ≤0.03 | ≤0.03 | ≤0.030 | ≤0.030 | ≤0.030 |
| Cr | 16-18 | 17-19 | 18-20 | 16-18 | 16-18 |
| N | 3.5-5.5 | 4-6 | 8-10.5 | 10-14 | |
| Mo | | | | 2.0-3.0 | |
| MechanicalProperty | MaterialItem | 201 | 202 | 304 | 316 |
| TensileStrength | ≥535 | ≥520 | ≥520 | ≥520 |
| YieldStrength | ≥245 | ≥205 | ≥205 | ≥205 |
| Extension | ≥30% | ≥30% | ≥35% | ≥35% |
| Hardness(HV) | <253 | <253 | <200 | <200 |