阜陽14x3流體管價格信息|碳素結(jié)構(gòu)鋼的牌號和化學(xué)成分
牌號 |
等級 |
化學(xué)成分(質(zhì)量分?jǐn)?shù))(%) |
脫氧方法 | ||||||
C |
Mn |
SP |
S |
P | |||||
≤ | |||||||||
Q195 |
|
0.06-0.12 |
0.25-0.50 |
0.30 |
0.050 |
0.045 |
F、b、Z | ||
Q215 |
A |
0.09-0.15 |
0.25-0.55 |
0.30 |
0.050 |
0.045 |
F、b、Z | ||
B |
0.045 | ||||||||
Q235 |
A |
0.14-0.22 |
0.30.0.65① |
0.30 |
0.050 |
0.045 |
F、b、Z | ||
B |
0.12-0.20 |
0.30-0.70① |
0.045 | ||||||
C |
≤0.18 |
0.35-0.80 |
0.040 |
0.040 |
Z | ||||
D |
≤0.17 |
0.035 |
0.035 |
TZ | |||||
Q255 |
A |
0.18-0.28 |
0.40-0.70 |
0.30 |
0.050 |
0.045 |
Z | ||
B |
0.045 | ||||||||
Q275 |
|
0.28-0.38 |
0.50-0.80 |
0.35 |
0.050 |
0.045 |
Z | ||
|