High quality A519 4130 chrome molybdenum seamless steel tube

Grade

C

Mn

P≤

S≤

Si

Cr

Mo

1008

≤ 0.10

0.30-0.50

0.040

0.050

-

-

-

1010

0.08-0.13

0.30-0.60

0.040

0.050

-

-

-

1018

0.15-0.20

0.60-0.90

0.040

0.050

-

-

-

1020

0.18-0.23

0.30-0.60

0.040

0.050

-

-

-

1025

0.22-0.28

0.30-0.60

0.040

0.050

-

-

-

1026

0.22-0.28

0.60-0.90

0.040

0.050

-

-

-

4130

0.28-0.33

0.40-0.60

0.040

0.040

0.15-0.35

0.80-1.10

0.15-0.25

4140

0.38-0.43

0.75-1.00

0.040

0.040

0.15-0.35

0.80-1.10

0.15-0.25

Grade

Condition

Tensile Point (Mpa)

Yield Point (Mpa)

Elongation

1020

CW

≥ 414

≥ 483

≥ 5%

SR

≥ 345

≥ 448

≥ 10%

A

≥ 193

≥ 331

≥ 30%

N

≥ 234

≥ 379

≥ 22%

1025

CW

≥ 448

≥ 517

≥ 5%

SR

≥ 379

≥ 483

≥ 8%

A

≥ 207

≥ 365

≥ 25%

N

≥ 248

≥ 379

≥ 22%

4130

SR

≥ 586

≥ 724

≥ 10%

A

≥ 379

≥ 517

≥ 30%

N

≥ 414

≥ 621

≥ 20%

4140

SR

≥ 689

≥ 855

≥ 10%

A

≥ 414

≥ 552

≥ 25%

N

≥ 621

≥ 855

≥ 20%