Hotline:

093 127 2222

Address:

Phnom Penh ❤️ Ho Chi Minh

ống thép mạ kẽm Vina

Chemical composition of steel grades

Đánh giá

Bao Tin Steel would like to send you the chemical composition table according to popular steel standards On the market today, you can use it for reference and comparison with the material certificates to see if they meet the standards or not.

Steel bars for concrete reinforcement

Tiêu chuẩn
Standard
Mác thép
Grade
Thành phần hóa học
Chemical Composition
C Si Mn P (max) S (max)

TCVN
1651 – 85
(1765 – 85 )

CT33 0.06 – 0.12 0.12 – 0.30 0.25 – 0.50 0.04 0.045

CT34

0.09 – 0.15

0.12 – 0.30

0.25 – 0.50

0.04

0.045

CT38

0.14 – 0.22

0.12 – 0.30

0.40 – 0.65

0.04

0.045

CT42

0.18 – 0.27

0.12 – 0.30

 0.40 – 0.70

0.04

0.045

CT51

0.28 – 0.37

0.15 – 0.35

0.50 – 0.80

0.04

0.045

TCVN
3104 – 79

25Mn2Si

0.20 – 0.29

0.60 – 0.90

1.20 – 1.60

0.04

0.045

35MnSi

0.30 – 0.37

0.60 – 0.80

0.80 – 1.20

0.04

0.045

JIS G3505
2004

SWRW10

0.13 max

0.30 max

0.06 max

0.04

0.04

SWRW12

0.15 max

0.30 max

0.065 max

0.04

0.04

JIS G3112

SD 295A

0.05

0.05

SD 345

0.27 max

0.55 max

1.60 max

0.04

0.04

SD 390

0.29 max

0.55 max

1.80 max

0.04

0.04

SD 490

0.32max

0.55max

1.80max

0.040

0.040

ASTM A615
/A615M – 94

Gr 40

0.21 max

0.40 max

1.35 max

0.04

0.05

Gr 60

0.30 max

0.50 max

1.50 max

0.04

0.05

BS 4449

Gr 250

0.25 max

0.50 max

1.50 max

0.06

0.06

Gr 460

0.25 max

0.50 max

1.50 max

0.05

0.05

ΓOCT
5780 – 82

25Γ2C

0.20 – 0.29

0.60 -0.90

1.20 – 1.60

0.04

0.045

35ΓC

0.30 – 0.37

0.60 – 0.80

0.80 – 1.20

0.04

0.045

ΓOCT
380 – 71

CT2

0.09 – 0.15

0.12 – 0.30

0.25 – 0.05

0.045

0.045

CT3

0.14 – 0.22

0.12 – 0.30

0.40 – 0.60

0.045

0.045

CT4

0.18 – 0.27

0.12 – 0.30

0.40 – 0.70

0.045

0.045

CT5

0.29 – 0.37

0.15 – 0.35

0.50 – 0.80

0.045

0.045

Rolled steel for general structure

TCVN
1765 – 85
(1765 – 85 )

CT33

0.06 – 0.12

0.12 – 0.30

0.25 – 0.50

0.04

0.045

CT34

0.09 – 0.15

0.12 – 0.30

0.25 – 0.50

0.04

0.045

CT38

0.14 – 0.22

0.12 – 0.30

0.40 – 0.65

0.04

0.045

CT42

0.18 – 0.27

0.12 – 0.30

 0.40 – 0.70

0.04

0.045

CT51

0.28 – 0.37

0.15 – 0.35

0.50 – 0.80

0.04

0.045

JIS 3101
1995

SS 330

0.05

0.05

SS 400

0.20 max

0.55 max

1.60 max

0.05

0.05

SS 490

0.05

0.05

SS 540

0.30 max

1.60 max

0.04

0.04

JIS G3106
1995

SM400 A

0.23 max

2.5xC min

0.035

0.035

SM400 B

0.20 max

0.35

0.60-1.40

0.035

0.035

SM490 A

0.20 max

0.55

1.6 max

0.035

0.035

SM490 B

0.18 max

0.55

1.6 max

0.035

0.035

SM490 YA

0.20 max

0.55

1.6 max

0.035

0.035

SM490 YB

0.20 max

0.55

1.6 max

0.035

0.035

ΓOCT
380 – 71

CT2

0.09 – 0.15

0.12 – 0.30

0.25 – 0.50

0.045

0.045

CT3

0.14 – 0.22

0.12 – 0.30

0.40 – 0.60

0.045

0.045

CT4

0.18 – 0.27

0.12 – 0.30

0.40 – 0.70

0.045

0.045

CT5

0.29 – 0.37

0.15 – 0.35

0.50 – 0.80

0.045

0.045

ASTM 1997

A36

0.26 max

0.40 max

1.60 max

0.04

0.05

A572 Gr42

0.21 max

0.40 max

1.35 max

0.04

0.05

A572 Gr50

0.23 max

0.40 max

1.35 max

0.04

0.05

BS 4360
1986

40B

0.20max

0.50max

1.50max

0.050

0.050

40C

0.18max

0.50max

1.50max

0.050

0.050

43A

0.25max

0.50max

1.6max

0.050

0.050

43B

0.21max

0.50max

1.5max

0.050

0.050

43C

0.18max

0.50max

1.5max

0.050

0.050

50A

0.23max

0.50max

1.6max

0.050

0.050

50B

0.20max

0.50max

1.50max

0.050

0.050

50C

0.20max

0.50max

1.50max

0.050

0.050

DIN 17100

RST37-2

0.17max

0.050

0.050

ST44-2

0.21max

0.050

0.050

GB700 – 88

 Q235A 

0.14 – 0.22

0.30 max

0.30 -0.65

0.045

0.05

 Q235B 

0.12 – 0.20

0.30 max

0.30 -0.70

0.045

0.045

 Q235C 

0.18 max

0.30 max

0.35 -0.80

0.04

0.04

 Q235D 

0.17 max

0.30 max

0.35 -0.80

0.035

0.035

GB/T1591 – 94

 Q345 

0.20 max

0.55 max

1.00 -1.60

0.045

0.045

SHEET PILES

Tiêu chuẩn
Standard  

Mác thép
Grade

Thành phần hóa học
Chemical Composition

C

Si

Mn

P (max)

S (max)

JIS A5528
1998

SY 295

0.22 max

0.50 max

1.60 max

0.04

0.04

SY 390

0.22 max

0.50 max

1.60 max

0.04

0.04

This chemical composition table applies to all types of steel products manufactured according to the above standards.

If you want to buy steel plates, U-I-V-H shaped steel, Seamless steel pipe, welded pipes, please contact Bao Tin Steel for the supply.

Đánh giá