WUXI XINFUTIAN METAL PRODUCTS CO., LTD
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304 316 904 polished seamless stainless steel pipe / stainless steel tube
We' s stainless steel seamless pipes can be used in fluid and gas transport industry , structure and machining industry etc . And our seamless pipes is produced by advanced technology of cold draw machine , advanced annealing machine etc . So our pipes have better machanical property , more precise dimension etc . And we will do perfect inspection use inspection equipment .
Product Description
| Standard | astm a312 |
| Material | Stainless steel |
| Grade | tp304 |
| Type | steel pipe |
| Surface finish: | Black, Hairline, Bright, Polished |
| Size | OD: 6mm~1219mm |
| W. T.: 0.8mm~12.7mm | |
| Length | up to 17 meters |
| Packing: | Export sea worthy package |
| Delivery: | Within 30 days after receiving 30%T/T of deposit or L/C |
| MOQ: | 1MT |
| Price terms: | FOB, CFR, CIF |
| Payment terms: | T/T, L/C |
| Application | sanitary tubing applies to argon welding machine,sink waste pipe,deep well pipe, foodstuff, yacht, steel water tanks, condensing boiler,guard rail used, rolling mill,smelting, foodstuff, power, water well sand filter ,medical equipment, and other fields… |
| Quality control: | a)Mill Test Certificate is supplied with shipment. b)Third party inspection is highly welcomed. |
chemical composition and mechanical property
| Chemical Composition | MaterialComposition | 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 | ||
Quality Assurance:
1. Chemical Composition: PMI Test
2. Mechanical Properties: Tensile Test, Hardsness Test
3. 100% Eddy Current, Air Under Water Test, Hydrostatic Test
4. Flange Test, Flattening Test, Reverse Flattening Test, Reverse Bending Test.
5. Dimensional Check: OD, WT, Straightness
6. Metallurgical Test
