|
|
N
|
C
|
H
|
Fe
|
O
|
Al
|
V
|
Pa
|
Mo
|
Ni
|
Ti
|
|
Gr 1
|
0.03
|
0.08
|
0.015
|
0.20
|
0.18
|
/
|
/
|
/
|
/
|
/
|
bal
|
|
Gr 2
|
0.03
|
0.08
|
0.015
|
0.30
|
0.25
|
/
|
/
|
/
|
/
|
/
|
bal
|
|
Gr 3
|
0.05
|
0.08
|
0.015
|
0.30
|
0.35
|
/
|
/
|
/
|
/
|
/
|
bal
|
|
Gr 4
|
0.05
|
0.08
|
0.015
|
0.50
|
0.40
|
/
|
/
|
/
|
/
|
/
|
|
|
Gr 5
|
0.05
|
0.08
|
0.015
|
0.40
|
0.20
|
5.5~6.75
|
3.5~4.5
|
/
|
/
|
/
|
bal
|
|
Gr 7
|
0.03
|
0.08
|
0.015
|
0.30
|
0.25
|
/
|
/
|
0.12~0.25
|
/
|
/
|
bal
|
|
Gr 9
|
0.03
|
0.08
|
0.015
|
0.25
|
0.15
|
2.5~3.5
|
2.0~3.0
|
/
|
/
|
/
|
bal
|
|
Gr12
|
0.03
|
0.08
|
0.015
|
0.30
|
0.25
|
/
|
/
|
/
|
0.2~0.4
|
0.6~0.9
|
bal
|
Tensile requirements
|
grade
|
Tensil strength(min)
|
Yeild strength(min)
|
Elongation(%)
|
||
|
ksi
|
MPa
|
ksi
|
MPa
|
||
|
1
|
35
|
240
|
20
|
138
|
24
|
|
2
|
50
|
345
|
40
|
275
|
20
|
|
3
|
65
|
450
|
55
|
380
|
18
|
|
4
|
80
|
550
|
70
|
483
|
15
|
|
5
|
130
|
895
|
120
|
828
|
10
|
|
7
|
50
|
345
|
40
|
275
|
20
|
|
9
|
90
|
620
|
70
|
438
|
15
|
|
12
|
70
|
438
|
50
|
345
|
18
|
Performance: low density, high specific strength, high corrosion resistance, good thermal stability and plasticity
Quality and Test: Our company provides the third-party inspection reports, BaoTi Center Physical and Chemical Test Report or Northwest Institute for Non-ferrous Metal Research Test.