【产品介绍】
碳素结构钢也即优质碳素结构钢，具有较好的机械性能和加工性能。主要用于各种机械结构件、链条、金属制品及各类工具，建造厂房、桥梁、锅炉、船舶等。
规格范围:(1.5~8.5)*（127~315）mm
【主要牌号、标准及化学成分】
|
牌号
GB/T 700 |
相似牌号
|
化学成分(%)
|
力学性能
|
||||||||||||
|
ASTM
A29 |
JIS
G4051 |
DIN
10083 |
C
|
Mn
|
Si
|
Ni
|
P
|
S
|
Cr
|
Rm
Mpa |
Rel
Mpa |
A5
% |
Z
% |
HB
|
|
|
≤
|
≥
|
|
|||||||||||||
|
10
|
1010
|
S10C
|
GK10
|
0.07-0.13
|
0.35-0.65
|
0.17-0.37
|
0.25
|
0.035
|
0.035
|
0.25
|
335
|
195
|
32
|
|
|
|
20
|
1020
|
S20C
|
GK20
|
0.17-0.23
|
0.35-0.65
|
0.17-0.37
|
0.25
|
0.035
|
0.035
|
0.25
|
410
|
245
|
28
|
|
|
|
40
|
1040
|
S40C
|
GK40
|
0.37-0.44
|
0.50-0.80
|
0.17-0.37
|
0.25
|
0.035
|
0.035
|
0.25
|
597
|
|
19
|
|
|
|
45
|
1045
|
S45C
|
GK45
|
0.42-0.50
|
0.50-0.80
|
0.17-0.37
|
0.25
|
0.035
|
0.035
|
0.25
|
600
|
|
17
|
|
|
|
50
|
1050
|
S50C
|
GK50
|
0.47-0.55
|
0.50-0.80
|
0.17-0.37
|
0.25
|
0.035
|
0.035
|
0.25
|
625
|
|
16
|
|
|
|
60
|
1060
|
S60C
|
GK60
|
0.57-0.65
|
0.50-0.80
|
0.17-0.37
|
0.25
|
0.035
|
0.035
|
0.25
|
675
|
|
12
|
|
|
|
N070D
|
|
|
GK70
|
0.70-0.74
|
0.46-0.55
|
0.15-0.30
|
0.10
|
0.020
|
0.020
|
0.10
|
715
|
|
9
|
|
|
|
C1074
|
|
|
|
0.69-0.80
|
0.50-0.80
|
0.17-0.37
|
0.25
|
0.030
|
0.030
|
0.25
|
|
|
|
|
|
|
20Mn
|
1022
|
|
|
0.17-0.24
|
0.70-1.00
|
0.17-0.37
|
0.25
|
0.035
|
0.035
|
0.25
|
450
|
|
24
|
|
|
|
40Mn
|
1043
|
42B
|
C40
|
0.37-0.44
|
0.70-1.00
|
0.17-0.37
|
0.25
|
0.035
|
0.035
|
0.25
|
590
|
|
17
|
|
|
|
45Mn
|
1046
|
47B
|
C45
|
0.42-0.50
|
0.70-1.00
|
0.17-0.37
|
0.25
|
0.035
|
0.035
|
0.25
|
|
|
|
|
|
|
65Mn
|
1566
|
|
|
0.62-0.70
|
0.90-1.20
|
0.17-0.37
|
0.25
|
0.035
|
0.035
|
0.25
|
735
|
|
9
|
|
|