Description |
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Standard |
ASTM A213,A312,ASTM A269,ASTM A778,ASTM A789,
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Material |
304,304L,309S,310S,316,316Ti,317,317L,321,347,347H,304N,316L, 316N,201,202,2205, 2520, 904L, etc. |
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Surface |
Satin / Hairline :180#, 320#
Polish : 400# ,600# ,800# or Mirror surface |
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Application | Decoration ,( Processed into railings, handrails, doors and Windows ),medical,industry,etc |
Chemical composition | Element | 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 | 5.5-7.5 | 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 | 42958 | 43022 | 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 | |||||||
Mechanical properties | Material Item | 201 | 202 | 304 | 316 | S31803 | S32750 | |
Tensile Strength (MPa) | ≥655 | ≥620 | ≥515 | ≥515 | ≥620 | ≥800 | ||
Yield Strength (MPa) | ≥260 | ≥310 | ≥205 | ≥205 | ≥450 | ≥550 | ||
Elongation (%) | ≥35 | ≥35 | ≥35 | ≥35 | ≥25 | ≥15 | ||
Hardness (HV) | ≤230 | ≤230 | ≤200 | ≤200 | ≤303 | ≤323 |