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902 903, NO 52 QINGDAO NORTH ROAD, WEIHAI, P.R.CHINA
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WEIHAI MIDLAND INDUSTRIES
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| STAINLESS STEEL COIL & SHEETS |
 |
 |
| Type |
Chemical Composition (%) |
| JIS(KS) |
POSCO |
C |
Cr |
Ni |
Mo |
Other |
| 304 |
304 |
≤0.08 |
18.0-20.0 |
8.00-10.50 |
-- |
-- |
| 304L |
304L |
≤0.030 |
18.0-20.0 |
9.00-13.00 |
-- |
-- |
| 316 |
316 |
≤0.08 |
16.0-18.0 |
10.0-14.0 |
2.0-3.0 |
-- |
| 316L |
316L |
≤0.03 |
16.0-18.0 |
12.0-15.0 |
2.0-3.0 |
-- |
| 430 |
430 |
≤0.12 |
16.0-18.0 |
-- |
-- |
-- |
| -- |
439 |
≤0.03 |
17.0-19.0 |
≤0.5 |
-- |
Ti0.2+4(C+N)-1.0 |
| Physical Properties |
| Type |
Chemical Composition (%) |
Physical Property |
| POSCO |
Yield Strength(N/mm2) |
Tensile Strength(N/mm2) |
Elongation(%) |
Hardness(HV) |
Specific Heat J/gC |
Specific Gravity |
Thermal Expansion Coefficient X 10cm/cm/C W/m.C(20-100C) |
Thermal Conductivity X 10cm/cm/C W/m.C(100C) |
| 304 |
≥205 |
≥520 |
≥40 |
≤200 |
0.50 |
7.93 |
17.3 |
16.3 |
| 304L |
≥175 |
≥480 |
≥40 |
≤200 |
0.50 |
7.93 |
17.3 |
16.3 |
| 316 |
≥205 |
≥520 |
≥40 |
≤200 |
0.50 |
7.98 |
15.9 |
16.3 |
| 316L |
≥175 |
≥480 |
≥40 |
≤200 |
0.50 |
7.98 |
15.9 |
16.3 |
| 430 |
≥205 |
≥450 |
≥22 |
≤200 |
0.46 |
7.70 |
10.4 |
23.9 |
| 439 |
≥205 |
≥415 |
≥22 |
≤200 |
0.46 |
7.70 |
10.5 |
26.4 |
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