| Name | AISI 309S Stainless Steel Tube | |||||
| Standard | ASTM A554, A249, A269 and A270, A312 | |||||
| Material Grade |
201 ( Ni 0.8%),
202 (Ni 3.5%~4.5%), 301(Ni 5%) 304 (Ni 8%, Cr 18%), 316 (Ni 10%, Cr 18%), 316L (Ni10%~14%), 430 |
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| Outer Diameter | 6mm--159mm | |||||
| Thickness | 0.3mm - 3.0mm | |||||
| Length | 6m or as customers' request | |||||
|
Tolerance |
a) Outer Diameter: +/- 0.2mm | |||||
| b) Thickness: +/- 0.02mm | ||||||
| c) Length: +/- 5mm | ||||||
| Surface |
180G, 320G, 400G Satin / Hairline
400G, 500G, 600G or 800G Mirror finish |
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| Application | Decoration construction, upholstery, industry instrument | |||||
| Test | Squash test, extended test, water pressure test, crystal rot test, heat treatment, NDT | |||||
|
Chemical Composition of Material |
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 | |||||
|
Mechanical Property |
Material Item | 201 | 202 | 304 | 316 | |
| Tensile Strength | ≥ 535 | ≥ 520 | ≥ 520 | ≥ 520 | ||
| Yield Strength | ≥ 245 | ≥ 205 | ≥ 205 | ≥ 205 | ||
| Extension | ≥ 30% | ≥ 30% | ≥ 35% | ≥ 35% | ||
| Hardness (HV) | < 253 | < 253 | < 200 | < 200 | ||