COD.

ISO7465:2001

b1

h1

h

k

n

c

g

f

rs

m1

m2

t1

t2

TOLERANCES

±1.5

±0.1

(±0.05)

+0.1

0

(+0.05)

(0)

+3

0

±0.75

+0.06

0

(+0.03)

(0)

-0.06

0

(-0.03)

(0)

±0.1

±0.1

T70-1/B

70

65

64

9

34

6

6

8

1.5

3

2.95

3.5

3

T70/B

70

50

49

15.88

25

9.5

7.9

11.1

3

6.4

6.37

7.14

6.35

Item Grade

Chemical Composition

C

Mn

Si

S

P

Q235

0.14-0.22

0.35-0.65

0.12-0.30

≤0.05

≤0.045

Mechanical property

Yield Strength N/mm2

Tensile Strength N/mm2

Elongation

≥235

≥375-520

≥40