|
①化學(xué)成分
種類牌號(hào) |
化學(xué)成分 |
C |
Si |
Mn |
P |
S |
Cr |
Ni |
Cu |
N |
節(jié)鎳型奧氏體 |
L1 |
≤0.15 |
≤1.00 |
8.0~10.5 |
≤0.06 |
≤0.03 |
13.5~16.0 |
1.0~3.0 |
≤2.0 |
≤0.20 |
L4 |
≤0.15 |
≤1.00 |
7.0~10.0 |
≤0.06 |
≤0.03 |
14.0~16.0 |
3.5~6.0 |
≤2.0 |
≤0.20 |
LA |
≤0.15 |
≤1.00 |
8.0~12.0 |
≤0.06 |
≤0.03 |
13.5~16.0 |
0.5~1.0 |
≤2.0 |
≤0.20 |
LH |
≤0.15 |
≤1.00 |
8.0~12.0 |
≤0.06 |
≤0.03 |
13.5~16.0 |
≤0.5 |
≤2.0 |
≤0.20 |
②機(jī)械性能
種類及牌號(hào) |
屈服強(qiáng)度 |
抗拉強(qiáng)度 |
延伸率 |
硬度 |
N/mm2 |
% |
HV |
HRB |
節(jié)鎳型
奧氏體 |
L1 |
≥205 |
≥515 |
≥35 |
≤240 |
≤99 |
L4 |
≥205 |
≥515 |
≥35 |
≤217 |
≤95 |
LA |
≥205 |
≥515 |
≥35 |
≤241 |
≤100 |
LH |
≥205 |
≥515 |
≥35 |
≤241 |
≤100 |
|
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