1.Astm 304 321 316 Stainless Steel Round Pipe Steel Round Tubing For Cold Rolled
the other professional QC team belonging to our sales department must inspect again to ensure the quality before shipment from our customer′s point of view. ultrasonic flaw detection equipment, eddy- current test equipment hydrostatic testing machine, hydraulic universal tester and inter-granular corrosion equipment, etc. For guaranteeing the quality.
| Name | 304 316L 321 2205 310 904L Metal Seamless Stainless steel line pipe/Tube Supplier in Wuxi |
| Standard | ASTM, GB, JIS, DIN, EN, AISI |
| Material Grade | TP304 TP304L TP316 TP316L TP347 TP347H TP321 TP321H TP310 TP310S |
| S31803/S32205 S32750 S32760 | |
| Outer Diameter | Seamless Pipe: 4mm-1016mm |
| Welded Pipe: single slit(Φ8mm-Φ630mm); girth(Φ630mm-Φ3000mm), | |
| Thickness | Seamless Pipe: 0.5mm - 60mm |
| Welded Pipe: single slit(0.5mm-25mm);girth(3mm-45mm) | |
| Length | 5m~12m or as customers' request |
| Tolerance | Acording to the Standard. |
| Surface | 180G, 320G, 400G |
| acid pickling,sand shooting | |
| Test | UT, ET, HT, RT,ect, and others according to the standard,or as the requests of the customers |
| Certificate | ISO 9001-2008, CE. PED,TS |
| Delivery Time | 25~35Days, Depends on quantity |
2.chemical composition
| Chemical Composition of Material | Material Composition |
201 | 202 | 304 | 316L | 430 |
| 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 | |
| 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 |
3.product show
4.mechanical property
| 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) | <105 | <100 | <90 | <90 | ||
