精密不锈钢
详细说明
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技术参数
1、生产钢
301/304/316/409L/410L/430/316L/304L/409/310S/321
2、表面状态：TR/BA/2B
3、尺寸允许偏差
A、厚度允许偏差（JIS-G4305） 单位：mm
| 厚度/宽度 | <160 | 160-250 | 250-400 | 400-630 | 630-1000 |
| <0.10 | ±0.010 | ±0.020 | |||
| 0.10-0.16 | ±0.015 | ±0.020 | |||
| 0.16-0.25 | ±0.020 | ±0.025 | ±0.030 | ±0.030 | |
| 0.25-0.40 | ±0.025 | ±0.030 | ±0.035 | ±0.035 | ±0.038 |
| 0.40-0.60 | ±0.035 | ±0.040 | ±0.040 | ±0.040 | ±0.040 |
| 0.60-0.80 | ±0.040 | ±0.045 | ±0.045 | ±0.045 | ±0.05 |
B、轧制边钢带宽度允许偏差 单位：mm
| 边部状态/宽度 |
<400 |
400-630 | 630-1000 |
| 轧边 |
+10
0
|
+20
0
|
+25
0
|
C、切边钢带宽度允许偏差 单位：mm
| 厚度/宽度 | <160 | 160-250 | 250-400 | 400-630 | 630-1000 |
| ≤0.60 | ±0.15 | ±0.15 | ±0.30 | ±0.30 | ±0.50 |
| 0.60-0.80 | ±0.15 | ±0.15 | ±0.30 | ±0.30 | ±0.50 |
4、化学成分 单位：%
| 钢种 | C | Si | Mn | P | S | Cr | Ni | Mo | Ti |
| 301 | ≤0.15 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.030 | 16.00-18.00 | 6.00-8.00 | ||
| 304 | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.030 | 18.00-20.00 | 8.00-10.50 | ||
| 316 | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.030 | 16.00-18.00 | 10.00-14.00 | 2.00-3.00 | |
| 409L | ≤0.030 | ≤1.00 | ≤1.00 | ≤0.040 | ≤0.030 | 10.50-11.75 | 6xC%-0.75 | ||
| 410L | ≤0.030 | ≤1.00 | ≤1.00 | ≤0.040 | ≤0.030 | 11.00-13.50 | |||
| 430 | ≤0.12 | ≤0.75 | ≤1.00 | ≤0.040 | ≤0.030 | 16.00-18.00 | |||
| 316L | ≤0.030 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.030 | 16.00-18.00 | 12.00-15.00 | 2.00-3.00 | |
| 304L | ≤0.030 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.030 | 18.00-20.00 | 9.00-13.00 | ||
| 409 | ≤0.08 | ≤1.00 | ≤1.00 | ≤0.040 | ≤0.030 | 10.50-11.75 | 6xC%-0.75 | ||
| 310S | ≤0.08 | ≤1.50 | ≤2.00 | ≤0.045 | ≤0.030 | 24.00-26.00 | 19.00-22.00 | ||
| 321 | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.030 | 17.00-19.00 | 9.00-13.00 | ≥5xC% |
5、力学性能
A、固溶或退火状态（JIS-G4305/4312）
| 钢种 | 屈服强度（Mpa） | 抗拉强度（Mpa） | 延伸率（%） | 表面硬度（HV） | 弯曲实验角度 | 弯曲半径 |
| 301 | ≥205 | ≥520 | ≥40 | ≤218 | ||
| 304 | ≥205 | ≥520 | ≥40 | ≤200 | ||
| 316 | ≥205 | ≥520 | ≥40 | ≤200 | ||
| 409L | ≥175 | ≥360 | ≥25 | ≤175 | 180° |
0.5t(t<8mm)
1.0t(t≥8mm) |
| 410L | ≥195 | ≥360 | ≥22 | ≤200 | 180° | 1.0t |
| 430 | ≥205 | ≥420 | ≥22 | ≤200 | 180° | 1.0t |
| 316L | ≥175 | ≥480 | ≥40 | ≤200 | ||
| 304L | ≥175 | ≥480 | ≥40 | ≤200 | ||
| 409 | ≥175 | ≥360 | ≥22 | ≤175 | 180° |
0.5t(t<8mm)
1.0t(t≥8mm) |
|
310S |
≥205 | ≥520 | ≥40 | ≤200 | ||
| 321 | ≥205 | ≥520 | ≥40 | ≤200 |
B、冷作硬化状态（JIS-G4313）
| 钢种 | 交货状态 | 表面硬度（HV） | 抗拉强度（Mpa） | 屈服强度（Mpa） | 延伸率（%） |
|
SUS304
|
1/2H | 250~310 | ≥780 | ≥470 | ≥6 |
| 3/4H | 310~370 | ≥930 | ≥665 | ≥3 | |
| H | ≥370 | ≥1130 | ≥880 | ||
|
SUS301
|
1/2H | 310~370 | ≥930 | ≥510 | ≥10 |
| 3/4H | 370~430 | ≥1130 | ≥745 | ≥5 | |
| H | 430~490 | ≥1320 | ≥1030 | ||
| EH | ≥490 | ≥1570 | ≥1275 |
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