Q235 Specification List 1

Name grade Chemical Composition %

C Mn Si S P Deoxidation

methords ≤

Q235

A 0.14～022 0.30～0.65*

0.30

0.050 0.045 F, b, Z

B 0.12～0.20 0.30～0.70* 0.045 C ≤0.18

0.35～0.80 0.040 0.040 Z

D ≤0.17 0.035 0.035 TZ *Note: Open steel of Q235 A and B contains Mn limited in 60% CPMW will use Grand A and B for SIPAT project. List 2

Nam

e

Gra

-

de

Tension Test

Impac

t

test

Yield point σs N/m ㎡

Tensie

strength

σb

N/m ㎡

Elongationδs

Temp

e-ratu

re

℃

Thickness of steel (Diameter) mm Thickness (Diameter) mm

≤16

>16

～

40

>40

～

60

>60

～

100

>10

0～

150

>

150≤16

>16

～

40

>40

～

60

>60

～

100

>10

0～

150

>

150

≥ ≥

Q23

5

A

235 225 215 205 195 185375～

460 26 25 24 23 22 21

－

B 20

C 0

D -20

List 3

Name Direction of

sample

Cild bending test β=2α 180° Thickness of steel (Diameter) mm

≤60 >60～100 >100～200 Diemeter of bending center

Q235 vertical α 2α 2.5α

horizontal 1.5α 2.5α 3α Note: α is the width of sample, β is thickness of steel (Diameter).