Grade

Type

ASME

EN

JIS

GB

1

Carbon Steel, Low Alloy Steel

Tube

SA-179

EN1.0305

STB340

10

Contrast

2

Carbon Steel, Low Alloy Steel

Tube

SA-556 Gr A2

STB340

10

Contrast

3

Carbon Steel, Low Alloy Steel

Tube

SA-210 Gr A1

EN1.0309

STB410

20

Contrast

4

Carbon Steel, Low Alloy Steel

Tube

SA-210 Gr C

EN1.0562

STB510

Q345C

Contrast

5

Carbon Steel, Low Alloy Steel

Tube

SA-556 Gr C2

STB510

Q345C

Contrast

6

Carbon Steel, Low Alloy Steel

Tube

SA-334 Gr 1

EN1.0562

STBL380

Q345C

Contrast

7

Carbon Steel, Low Alloy Steel

Tube

SA-334 Gr 6

EN1.0562

STBL380

Q345C

Contrast

8

Carbon Steel, Low Alloy Steel

Tube

SA-213 Gr T2

STBA20

12CrMo

Contrast

9

Carbon Steel, Low Alloy Steel

Tube

SA-213 Gr T12

EN1.7335

STBA22

15CrMo

Contrast

10

Carbon Steel, Low Alloy Steel

Tube

SA-213 Gr T22

STBA24

12Cr2Mo

Contrast

11

Carbon Steel, Low Alloy Steel

Tube

SA-213 Gr T5

STBA25

12Cr5MoI

Contrast