Huangshi Shan Lixing metallurgical sheet Co., Ltd.

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Carbon structural steel

Time:2018-10-20 11:26Source:未知 Author:admin Click: second

   Annealing and plate is mainly used in automobile manufacturing, electrical products, metal stamping, home appliance manufacturing, construction aterials and other industries

Standard, grade and purpose:

Grade

Product standard

Dimension

Purpose

Q195、Q215-A、Q215-B

GB/T11253-2007

Width
mm

Thickness
mm

Wide used for structural and drawing components of engineering machinery, transportation, building, lifting machinery, agriculture, light industry, civilian use, etc.
 

Q235

700~1250      0.2~1.8

Q235

Q235-C

Q235-D

Q345

 

 Dimension& profile tolerance:

Grade

According with related standard

Q195、Q215-A~Q235-D、Q345

GB/T708

 

SPCCT-SD、SPCD-SD、SPCE-SD、SPCF-SD、SPCG-SD elongation:

Grade

A50mm(%)

Thickness distinguish(mm)

≥0.30~0.40

≥0.40~0.60

≥0.60~1.0

≥1.0~1.6

≥1.6~≤2.5

>2.5

SPCCT-SD

≥31

≥34

≥37

≥39

≥41

≥39

SPCD-SD

≥33

≥36

≥40

≥42

≥44

≥41

SPCE-SD

≥35

≥38

≥42

≥44

≥46

≥43

SPCF-SD

 

≥40

≥44

≥46

≥48

 

SPCG-SD

 

≥42

≥46

≥48

≥50

 

Note:Tensile test uses tansverse sample with length b=25mm,L0=50mm。

 

Chemical composition(wt%):
 

Grade

C

Si

Mn

P

S

Cu

Q195

0.06~0.12

≤0.30

0.25~0.50

≤0.045

≤0.050

≤0.050

Q215-A

0.09~0.15

≤0.30

0.25~0.55

≤0.045

≤0.050

≤0.035

Q215-B

0.09~0.15

≤0.30

0.25~0.55

≤0.045

≤0.050

≤0.035

Q235-A

0.14~0.22

≤0.30

0.30~0.65

≤0.045

≤0.050

≤0.035

Q235-B

0.12~0.20

≤0.30

0.30~0.70

≤0.045

≤0.045

≤0.035

Q235-C

≤0.18

≤0.30

0.35~0.80

≤0.040

≤0.040

≤0.035

Q235-D

≤0.17

≤0.30

0.35~0.80

≤0.035

≤0.035

≤0.035

 

Mechanical properties:

Grade

Yield strength
RcL(Mpa)

Tensile strength
Rm(MPa)

MPa plastic strain ratio A80mm%

Q195

≥195

315~430

≥33

Q215-A

≥215

335~450

≥30

Q215-B

≥215

335~450

≥30

Q235-A

≥235

375~500

≥25

Q235-B

≥235

375~500

≥25

Q235-C

≥235

375~500

≥25

Q235-D

≥235

375~500

≥25


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