Shandong Modern International Trade Co., Ltd.
Strict quality guarantee system & perfect management system
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| | 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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