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Alloy Steel Bar

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Alloy steel pipe fittings are robust connectors made from alloy steel, enhanced with elements like chromium or molybdenum for superior strength and corrosion resistance. They are used in high-pressure and high-temperature applications such as oil and gas pipelines, power plants, and chemical processing.


Main Criteria:

ASTM A29 / ASME SA29

ASTM A304

AMS6349


Brand and Chemical Composition:

ASTM/ASME
Grade

Other Name

EN Grade

Chemical Component %





C

Cr

Ni

Mn

P

S

Si

Cu

W

MO

V


17CrNiMo6

EN10084

0.14-0.19

1.5-1.8

1.4-1.7

0.4-0.6

0.03

0.03

0.17-0.35

0.25


0.25-0.35



34CrNiMo6

1.6582

0.34

1.5

1.55

0.5



0.25-0.3



0.2


30CrNi3

30CrNiMo8


0.26-0.34

1.8-2.2

1.8-2.2

0.5-0.8

0.025

0.035

0.4



0.3-0.5



16MnCr5

1.7131

0.14-0.19

0.8-1.1


1.0-1.3

0.035

0.035

0.4






20MnCr5


0.17-0.22

1.0-1.3


1.1-1.5

0.035

0.01-0.035

0.25






20CrMnMo

SCM421

0.17-0.32

1.1-1.4

0.03

0.9-1.2



0.17-0.37

0.03


0.2-0.3


4142

40CrMnMo

1.7225

0.37-0.45

0.9-1.2


0.9-1.2



0.17-0.37



0.2-0.3



20CrMnSi


0.17-0.23

0.8-1.1

0.03

0.8-1.1

0.035

0.035

0.9-1.2

0.03





35CrMnSi


0.32-0.39

1.1-1.4

0.03

0.8-1.1

0.025

0.025


0.025





18Cr2Ni4WA


0.13-0.19

1.35-1.65

4-4.5

0.3-0.6

0.025

0.025

0.17-0.37

0.025

0.8-1.2




25Cr2Ni4WA


0.21-0.28

1.35-1.65

4-4.5

0.3-0.6

0.025

0.025

0.17-0.37

0.025

0.8-1.2




20CrNiMoA


0.17-0.23

0.4-0.7

0.35-0.75

0.6-0.95

0.035

0.035

0.17-0.37

0.03


0.2-0.3


4340

40CrNiMoA


0.37-0.44

0.6-0.9

1.25-1.65

0.5-0.8

0.025

0.025

0.17-0.37

0.25


0.15-0.25



12CrNi3

1.5752

0.1-0.17

0.6-0.9

2.75-3.15

0.3-0.6

0.035

0.035

0.17-0.37

0.03





37CrNi3


0.34-0.41

1.2-1.6

3-3.5

0.3-0.6



0.17-0.37






34CrNi3Mo


0.3-0.4

0.7-1.1

2.75-3.25

0.5-0.8

0.035

0.035

0.17-0.37

0.2


0.25-0.4



25Cr2MoV


0.22-0.29

1.5-1.8


0.4-0.7

0.035

0.035

0.17-0.37



0.25-0.35

0.15-0.3


40CrNi2Mo


0.37-0.45

0.6-0.9

1.25-1.65

0.5-0.8

0.025

0.03

0.15-0.35

0.025


0.15-0.25


4340

40CrNiMo


0.38-0.43

0.7-0.9

1.65-2

0.6-0.8

0.035

0.04

0.15-0.35



0.2-0.3



35CrMoV


0.3-0.38

1-1.3

0.03

0.4-0.7

0.035

0.035

0.17-0.37

0.025


0.2-0.3

0.1-0.2


4Cr5MoSiV1

H13

0.32-0.45

4.75-5.5


0.2-0.5

0.03

0.03

0.8-1.2



1.1-1.75

0.8-1.2


31CrMoV9


0.27-0.34

2.3-2.7


0.4-0.7

0.025

0.035

0.4



0.15-0.25

0.1-0.2


50CrV4

DIN17221

0.46-0.54

0.8-1.1

0.35

0.5-0.8

0.03

0.03

0.17-0.37

0.25



0.1-0.2


50CrNi


0.47-0.54

0.45-0.75

1-1.4

0.5-0.8

0.035

0.035

0.17-0.37

0.03




5140

40Cr

1.7035

0.37-0.44

0.8-1.1

0.3

0.5-0.8

0.035

0.035

0.17-0.37

0.03


0.1



5CrMnMo


0.5-0.6

0.6-0.9

0.25

1.2-1.6

0.03

0.03

0.25-0.6

0.3


0.15-0.3



20Cr2Ni4A


0.17-0.23

1.25-1.65

3.25-3.65

0.3-0.6

0.03

0.03

0.17-0.37






12Cr1MoV


0.08-0.15

0.9-1.2


0.4-0.7



0.17-0.37



0.25-0.35

0.15-0.3


15CrNi3Mo


0.13-0.18

0.9-1.2

2.6-3

0.3-0.6

0.02

0.015

0.17-0.37

0.25


0.2-0.27

0.03-0.08


23CrNi3Mo


0.2-0.27

1.1-1.5

2.75-3.25

0.55-0.85

0.025

0.025

0.15-0.35

0.2


0.2-0.3


42CrMov

35SiMn

1.5122

0.32-0.4

0.3

0.3

1.1-1.4

0.35

0.35

1.1-1.4

0.3




9260

60Si2MnA


0.54-0.6

0.35

0.35

0.7-1.0

0.035

0.035

1.5-2

0.25



0.08-0.16

1566

65Mn


0.62-0.7

0.025

0.025

0.9-1.2

0.035

0.035

0.17-0.37

0.025





55Cr3

DIN17221

0.52-0.6

0.65-0.95

0.35

0.65-0.95

0.03

0.03

0.17-0.37

0.25



0.1-0.2


60Cr3


0.56-0.64

0.7-1.0

0.35

0.7-1.0

0.03

0.03

0.17-0.37

0.25




UNS G61500

51CrV4

1.8159

0.47-0.55

0.9-1.2

0.35

0.7-1.1

0.03

0.03

0.4

0.25



0.1-0.25


12Cr2Mo1R


0.08-0.15

2-2.5


0.3-0.6

0.02

0.01

0.5



0.9-1.1



15CrMo


0.12-0.18

0.8-1.1

0.3

0.4-0.7

0.025

0.015

0.17-0.37

0.2


0.4-0.55



27SiMn


0.24-0.32

0.3

0.3

1.1-1.4

0.025

0.015

1.1-1.4

0.2


0.1



1Cr5Mo


0.15

4.0-6.0

0.6

0.6

0.03

0.02

0.5



0.45-0.6



55SiCrA


0.51-0.59

0.5-1.0

0.35

0.5-0.8

0.025

0.025

1.2-1.6

0.25





60Si2CrA


0.56-0.64

0.7-1.0

0.35

0.4-0.7

0.03

0.03

1.4-1.8

0.25




4130

30CrMo

1.7218

0.26-0.33

0.8-1.1

0.3

0.4-0.7

0.03

0.03

0.17-0.37

0.3


0.15-0.25


4135

35CrMo

1.7220

0.32-0.4

0.8-1.1

0.3

0.4-0.7

0.03

0.03

0.17-0.37

0.3


0.15-0.25


4140

42CrMo

1.7225

0.38-0.45

0.9-1.2

0.3

0.5-0.8

0.03

0.03

0.17-0.37

0.3


0.15-0.25



30CrMnSiA


0.28-0.35

0.8-1.1

0.4

0.8-1.1

0.025

0.025

0.9-1.2

0.25

0.2

0.15

0.05

4130X



0.25-0.35

0.8-1.1

0.3

0.4-0.9

0.02

0.01

0.15-0.35

0.2


0.15-0.25



34CrMo4


0.3-0.37

0.9-1.2

0.3

0.6-0.9

0.02

0.01

0.15-0.35

0.2


0.15-0.3



30CrMnSi


0.28-0.34

0.8-1.1

0.3

0.8-1.1

0.025

0.015

0.9-1.2

0.2


0.1


4119

12CrMo

1.7335

0.08-0.15

0.4-0.7

0.3

0.4-0.7

0.025

0.015

0.17-0.37

0.2


0.4-0.55



12Cr1Mo


0.08-0.15

1.0-1.5

0.3

0.3-0.6

0.025

0.015

0.5-1.0

0.2


0.45-0.65



12Cr2Mo


0.08-0.15

2.0-2.5

0.3

0.4-0.6

0.025

0.015

0.5

0.2


0.9-1.13



12Cr5Mo


0.15

4.0-6.0

0.6

0.6

0.025

0.015

0.5



0.4-0.6



Quality Control

We have adopted the Quality Policy that there can be no compromise where the quality of our products is concerned. A strict systematic quality control program ensures that products conform to customer specifications in component, size and physical properties.



Packing

All our products are packed, stored, transported according to the international regulation.

The steel bars are packed with bundles. Identification labels are tagged according to standard specification or customer's instructions. Special packing is available as per customer's requirement. Plywood cases are available for special protection. Other kinds of packing can be offered if request.


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