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发表于 2011-1-28 16:40:40
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来自： 中国广东深圳
C1020 - Average Tensile Strength - 58,000. Minimum Yield Strength - 36,000.+ t! @% w5 Z% J& i3 l: c+ h
9 _: b8 q, F; q- R8 p4 b
AISI - SAE Number UNS Number CC Mn P (max) S (max) Hardness Equivalents , I2 k* n7 H7 h1 c$ q, E
1020 G10200 0.18 - .23 0.30 - 0.60 0.040 0.050 77 RB , 20RC , 143 Bhn
% y+ M" i3 Z7 B& `
- o* F; d# }4 L% h( ]3 _ s" {, {大致相当于20#钢 |
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