公司管饭用于各类热轧碳圆钢和合金类圆钢！主要生产工艺有热轧圆钢以及连铸圆钢。目前我们能够供应直接尺寸：
Φ=6---60mm长度按需方要求
级别对照与化成分对照表：
钢级Grade
|
C
|
Si
|
Mn
|
P
|
S
|
Cr
|
Ni
|
Cu
|
GB
|
ASTM
|
JIS
|
20#
|
1020
|
S20C
|
0.17~0.23
|
0.17~0.37
|
0.35~0.65
|
≤0.035
|
≤0.04
|
≤0.25
|
≤0.30
|
≤0.25
|
45#
|
1045
|
S45C
|
0.42~0.5
|
0.17~0.37
|
0.5~0.8
|
≤0.035
|
≤0.04
|
≤0.25
|
≤0.25
|
≤0.25
|
50#
|
1050
|
S50C
|
0.47~0.55
|
0.17~0.37
|
0.5~0.8
|
≤0.035
|
≤0.04
|
≤0.25
|
≤0.25
|
≤0.25
|
55#
|
1055
|
S55C
|
0.52~0.6
|
0.17~0.37
|
0.5~0.8
|
≤0.035
|
≤0.04
|
≤0.25
|
≤0.25
|
≤0.25
|
20Cr
|
5120
|
SCr420
|
0.18~0.24
|
0.17~0.37
|
0.5~0.8
|
≤0.035
|
≤0.035
|
0.17~0.37
|
≤0.30
|
≤0.30
|
40Cr
|
5140
|
SCr440
|
0.37~0.44
|
0.17~0.37
|
0.5~0.8
|
≤0.035
|
≤0.035
|
0.80~1.10
|
≤0.30
|
≤0.30
|
20CrMo
|
4118
|
SCM420
|
0.17~0.24
|
0.17~0.37
|
0.40~0.70
|
≤0.035
|
≤0.035
|
0.80~1.10
|
≤0.30
|
≤0.30
|
35CrMo
|
4135
|
SCM435
|
0.32~0.40
|
0.17~0.37
|
0.40~0.70
|
≤0.035
|
≤0.035
|
0.80~1.10
|
≤0.30
|
≤0.30
|
42CrMo
|
4140
|
SCM440
|
0.38~0.45
|
0.17/0.37
|
0.5/0.8
|
≤0.035
|
≤0.035
|
0.90~1.20
|
≤0.30
|
≤0.30
|
38CrMoA1
|
|
SACM645
|
0.35~0.42
|
0.20~0.45
|
0.30~0.60
|
≤0.035
|
≤0.035
|
1.35~1.65
|
≤0.30
|
≤0.30
|
20CrMn
|
5115
|
SMnC420
|
0.17~0.23
|
0.17~0.37
|
0.90~1.20
|
≤0.035
|
≤0.035
|
0.90~1.20
|
≤0.30
|
≤0.30
|
20CrNiMo
|
8720
|
SNCM220
|
0.17~0.23
|
0.20~0.30
|
0.60~0.95
|
≤0.035
|
≤0.035
|
0.40~0.70
|
Ni:0.35~0.75
|
Cr12Mo1
|
D2
|
SKD11
|
1.4/1.6
|
≤0.6
|
≤0.6
|
Cr:11.0-13.0;
Mo:0.8-1.2; V: ≤1.1
|
欢迎莅临指导以及来电咨询
联系电话：13773072363（胡）
13880618748（胡）
QQ:
253541370 1574177275
