Material NO.

Chemical component content

Mechanical properties

C

Mn

Si

S

P

Cr

Mo

Ni

Tensile Strength

Yield strength

elongation

carbon steel

A234WPB

≤0.3

0.29-1.06

≥0.1

≤0.058

≤0.05

415-585

≥240

≥30

A420 WPL6

≤0.3

0.6-1.35

0.15-0.3

≤0.04

≤0.035

415-585

≥240

≥30

alloy steel

A234 WP5

≤0.15

≤0.6

≤0.5

≤0.04

≤0.03

4-6

0.44-0.65

415-585

≥205

≥20

A234 WP11

0.05-0.2

0.3-0.8

0.5-1

≤0.030

≤0.030

1-1.5

0.44-0.65

415-585

≥205

≥20

A234 WP22

0.05-0.15

0.3-0.6

≤0.5

≤0.04

≤0.04

2-2.5

0.87-1.13

415-585

≥205

≥20

A234 WP91

0.08-0.12

0.3-0.6

0.2-0.5

≤0.02

≤0.015

8-9.5

0.85-1.05

≥590

≥415

≥20

pipeline steel

A860 WPHY42

≤0.20

1-1.45

0.15-0.4

≤0.015

≤0.030

≥415

≥290

/

A860 WPHY52

≤0.20

1-1.45

0.15-0.4

≤0.015

≤0.030

≥455

≥360

/

A860 WPHY60

≤0.20

1-1.45

0.15-0.4

≤0.015

≤0.030

≥515

≥415

/

A860 WPHY65

≤0.20

1-1.45

0.15-0.4

≤0.015

≤0.030

≥530

≥450

/

A860 WPHY70

≤0.20

1-1.45

0.15-0.4

≤0.015

≤0.030

≥550

≥485

/

stainless steel

A403 WP 304

≤0.08

≤2

≤1

≤0.04

≤0.03

18-20

8-11

≥515

≥205

≥30

A403 WP 304L

≤0.03

≤2

≤1

≤0.04

≤0.03

18-20

8-13

≥485

≥170

≥30

A403 WP 316

≤0.08

≤2

≤1

≤0.045

≤0.03

16-18

2-3

10-14

≥515

≥205

≥30

A403 WP 316L

≤0.03

≤2

≤1

≤0.045

≤0.03

16-18

2-3

10-15

≥485

≥170

≥30

A403 WP 321

≤0.08

≤2

≤1

≤0.045

≤0.03

17-19

9-12

≥515