钢号Steel No.

化学成分Chemical Composition

力学性能Mechanics Performance

供货标准

Supply Standard

备注
(用途)
Remark(Uses)

序号Item No.

名称(主要成分)
Name(Main Contents)

代表钢号
Repore.Symbol

C

Si

Mn

P

S

Cr

Ni

Cu

屈服点Yielding Point бs,Mpa

抗拉强度Tensile strength бb,Mpa

伸长度
Elongation
δ,%

1


建筑用可焊接非合金钢
Non-alloy Steel for welded structure

c≥0.22%
Mn≤1.5%

Q195

0.06-0.12

≤0.30

 0.25-0.50

≤0.045 

≤0.050

≤0.30 

≤0.30 

≤0.30 

 95

315-390

33

GB/T700
JISG3101 

 焊管水煤气管等

Welded Tube,water tube,gas tube

 

 

Q215A

0.09-0.15

≤0.30

 0.25-0.55

 ≤0.04

 ≤0.05

≤0.30 

≤0.30 

≤0.30 

 215

335-410

31

GB/T700
JISG3101 

Q235A

0.14-0.22

≤0.30

 0.30-0.65

 ≤0.045

 ≤0.05

≤0.30 

≤0.30 

≤0.30 

 235

375-460

26

GB/T3130
JISG3106 

2


中碳钢
Medium Carbon Steel
c≥0.22%,
Mn≤1.5%

Q225A

0.18-0.28

≤0.30

 0.40-0.70

≤0.05

≤0.045 

 

 

 

 255

410-510

24

 GB/T700
JISG3101

 机械设备结构件等

Mechanical Structure

3

冷加工和冷轧用的低碳钢
Low carbon steel for cold machining and cold rolling
c≤0.10%
Mn≤0.45%

08A1
1)厚度Thickness≤4mm
2)厚度Thickness≥4mm

≤0.08

痕迹
trace

≤0.40

 ≤0.02

 ≤0.03

 

 AL,0.02-0.07

 

CQ  DQ
275-410

DQ≥27
CQ≥25

 

 汽车、家电用原板、冲压件、油桶板等

Plate or pressed plate for Automobile,Home electric and oil drum

 


≥325

≥33

08
1)厚度Thickness≤4mm
2)厚度Thickness≥4mm

0.05-0.12

0.17-0.37

 0.35-0.65

 ≤0.035

 ≤0.035

 

 

 

  ① 

CQ  DQ
275-410

DQ≥27
CQ≥25

 

≥325

≥33

10
1)厚度Thickness≤4mm
2)厚度Thickness≥4mm

0.07-0.14

0.17-0.37

 0.35-0.65

≤0.035

≤0.035

 

 

 

  ① 

CQ  DQ
295-430

DQ≥26
CQ≥24

 

≥335

≥32

4

冷加工和冷轧用高强度微合金钢
High strength trace alloy steel for cold machning and cold rolling
c≤0.10%
Mn≤1.4 Nb/v,Ti

Q295A

≤0.10

0.80-1.50

≤0.55

 ≤0.045

 ≤0.045

 V:0.02-0.15
Nb:0.015-0.060
Ti:0.02-0.20

     295

   390-570

       23

 GB/T1591
-94  JISG3135

汽车及机械工业中的冲压件

Pressed items for automobile and mechanic

备注:
1、上述钢种一般规格Normal Stardard of above iron type:厚度1.0-12.7mm, 宽度:1000-1350mm,卷重:5-23吨
2、包装方式(paking):根据客户要求;According to customer
3、除上述钢种外, 我公司还可根据客户提供的成分和机械性能,合作开发对应的钢种。Exccept for above,We can manufacture new iron type according to
related elements and mechanical performance asked by customer