Chemical Composition Of Q195~Q235 Steel Grade

Date:2012/4/2

 

Brands

Unified Number

Grade

Thickness

Method

Chemical Composition %,Not Exceed

C

Si

Mn

P

S

Q195

U11952

------

--------

F,Z

0.12

0.30

0.5

0.035

0.040

Q215

U12152

A

----------

F,Z

0.15

0.35

1.2

0.045

0.050

U12155

B

0.045

Q235

U12352

A

 

 

---------

F,Z

0.22

0.35

1.40

0.045

0.050

U12355

B

0.20b

0.045

U12358

C

Z

0.17

0.040

0.040

U12359

D

TZ

0.035

0.035

Q275

U12752

A

--------

FZ

0.24

0.35

1.50

0.045

0.050

U12755

B

40

Z

0.21

0.045

0.045

40

0.22

U12758

C

-------

Z

0.20

0.040

0.040

U12759

D

TZ

0.035

0.035

A: Unified Number In Chart Is Killed Steel, Special Killed Steel ,Unified Number For Rimmed Steel Is As Below:

Q195F---U11950;

Q215AF----U12150,Q215BF-----U12153;

Q235AF----U12350,Q235BF-----U12353;

Q275AF----U12750.

B:If Customer Can Accept, Carbon Content Of Q235B Can Be Not More Than 0.22%