Shandong Modern International Trade Co., Ltd.
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Type 304, with its chromium-nickel content and low carbon, is the most versatile and widely used of the austenitic stainless steels. Its alloys are all modifications of the 18% chromium, 8% nickel austenitic alloy. Type 304 proves to be resistant to oxidation, corrosion, and durability. All provide ease of fabrication and cleaning, prevention of product contamination offer a variety of finishes and appearances. Type 304 stainless steels are used in corrosion resistant electrical enclosures, auto molding and trim, wheel covers, kitchen equipment, hose clamps, exhaust manifolds, stainless hardware, storage tanks, pressure vessels and piping.
| | 201 | 202 | 304 | 316 | S31803 | S32750 | |
| C | ≤0.15 | ≤0.15 | ≤0.08 | ≤0.08 | ≤0.030 | ≤0.030 | |
| Si | ≤1.00 | ≤1.00 | ≤1.00 | ≤1.00 | ≤1.00 | ≤0.80 | |
| Mn | 3.5-7.5 | 7.5-10.0 | ≤2.00 | ≤2.00 | ≤2.00 | ≤1.20 | |
| P | ≤0.060 | ≤0.060 | ≤0.045 | ≤0.045 | ≤0.030 | ≤0.035 | |
| S | ≤0.030 | ≤0.030 | ≤0.030 | ≤0.030 | ≤0.020 | ≤0.020 | |
| Cr | 16-18 | 17-19 | 18-20 | 16-18 | 21-23 | 21-23 | |
| Ni | 3.5-5.5 | 4.0-6.0 | 8.0-10.5 | 16.0-18.5 | 4.5-6.5 | 6.0-8.0 | |
| Mo | | | | 2.0-3.0 | 2.5-3.5 | 3.0-5.0 | |
| N | ≤0.25 | ≤0.25 | | | 0.08-0.2 | 0.24-0.32 | |
| Cu | | | | | | ≤0.50 | |
| Tensile Strength(MPa) | ≥655 | ≥620 | ≥515 | ≥515 | ≥620 | ≥800 | |
| Yeild Strength(MPa) | ≥260 | ≥310 | ≥205 | ≥205 | ≥450 | ≥550 | |
| Elongation(%) | ≥35 | ≥35 | ≥35 | ≥35 | ≥25 | ≥15 | |
| Hardness(HV) | ≤230 | ≤230 | ≤200 | ≤200 | ≤303 | ≤323 |
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