6.35mm 1/4 Smooth Bore Seamless 304 Stainless Steel Tubing OD 10-250MM Astm A312 304
1. Stainless Steel Round Pipe OD 10-250MM With Wooden Box Package
Its main business is: Profile steel (low alloy / Japanese standard / European standard / American Standard), angle steel, I-beam, H-beam, channel steel, ball flat steel, steel sheet pile, medium thick plate, ship plate, flat steel, round steel, seamless pipe and other steel products, acting as cold and hot galvanizing processing business. At present, it has established long-term and stable cooperative relations with domestic steel plants such as Shanghai Baosteel, Tianjin Tiantie, Jiangxi Xingang, Shangang, Angang and Wugang. Since the establishment of our company, we have adhered to the tenet of people-oriented, mutual benefit, development and innovation, put customers′ demands first, provide customers with high-quality services, and win customers′ wide support and trust with the high starting point, high quality, low price and perfect after-sales service policy. We hope that we can join hands with you to create brilliance.
| Processing Form | I. D | Length | Straightness | I. D Tolerance | I. D Rounghness |
| Cold-rolled | 30-100 | ≤ 12M | 0.3-1.0 | H8-H10 | 0.4-1.6 |
| Cold-drawn | 30-250 | ≤ 12M | 0.3-1.0 | 0.8-1.6 | |
| Hone | 40-500 | ≤ 12M | 1000 | H8-H9 | 0.4-0.8 |
| SRB | 40-400 | ≤ 7M | 1000 | H8-H9 |
0.1-0.4
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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 | ||
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