Steel Rod & Bar

CrMo Steel Bar

    Standard: AISI, GB, JIS, EN, etc.


    Shapes: Round Bar, Flat Bar, Square Bar, etc.


    Diameter: 3mm-300mm

Chromium molybdenum steel is an alloy of chromium (Cr), molybdenum (Mo), iron (Fe), and carbon (C).

Chromium-molybdenum steel, also known as medium-temperature anti-hydrogen steel, refers to steel grades such as Cr (<10%), Mo and other alloying elements to significantly improve the high temperature strength limit and creep limit, and has good resistance to hydrogen corrosion and high temperature.

Performance, so it is widely used in hydrogen-containing equipment and high-temperature equipment such as refining and chemical industry. It is one of the commonly used steel grades for pressure vessels.

Shanghai Metal Corporation is a professional manufacturer and supplier of CrMo Steel Bar with high quality and reasonable price. If you want to know more about CrMo Steel Bar products or CrMo Steel Bar price please feel free to contact us, we will reply you within 24 hours. Shanghai Metal Corporation supply a wide range of quality alloy steel, such as 20 CrMo, 30 CrMo, 35CrMo,40Cr and 42CrMo which are highly acclaimed by our international customers due to its durability and similar other attributes. These products are offered to our clients in standard.





Mechanical Properties:

 

Steel grade

Tensile Strength(σb/Mpa)

Yield Strength(σb/Mpa)

Elongation(ŏ5/%)

Reduction of Area(ψ/%)

Impact absorbing Energy(Aku2/J)

Brinell Hardness(HBS100/3000)

Annealing or High Tempering

20CrMo

885

685

12

50

78

197

30CrMo

930

785

12

50

63

229

35CrMo

980

835

12

45

63

229

40CrMo

1080

930

12

45

63

217

42CrMo

1080

930

12

45

63

217

 

Chemical composition

Unified digital code

Steel grade

C

Si

Mn

Cr

Mo

A30202

20CrMo

0.17-0.24

0.17-0.37

0.40-0.70

0.80-1.10

0.15-0.25

A30302

30CrMo

0.26-0.34

0.17-0.37

0.40-0.70

0.80-1.10

0.15-0.25

A30352

35CrMo

0.32-0.40

0.17-0.37

0.40-0.70

0.80-1.10

0.15-0.25

-

40CrMo

0.35-0.45

0.15-0.40

0.40-0.70

1.00-1.50

0.50-0.80

A30422

42CrMo

0.38-0.45

0.17-0.37

0.50-0.80

0.90-1.20

0.15-0.25



Specification of 40Cr Alloy Steel:
1) Chemical composition:

Grade

Chemical compostion(WT%)

40Cr

C

Cr

Si

Mn

Ni

P

S

Cu

0.37-0.44

0.80-1.10

0.17-0.37

0.50-0.80

0.030

0.035

0.035

0.030



2) The comparison table for each standard

GB

ISO

AISI

JIS

DIN

GB/T 3077-1999

683-18:1996

A322 G5140

SCr440

41Cr4

GB/T 3077-1999 

Packaging of CrMo Steel Bar:

Shanghai Metal Corporation Products are packed and labeled according to the regulations and customer's requests. Great care is taken to avoid any damage which might be caused during storage or transportation. In addition, clear labels are tagged on the outside of the packages for easy identification of the product I. D. and quality information.

1)SMC Standard 

2)Customization

图

Application of CrMo Steel:

- Boiler

- Motor rotator

- Connection rod

- Large gear and gear

- Large diameter shaft

- Driven gear of booster

- Salvage tools for ocean oil drilling

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