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Perform Indicator for Steel Grade 42CrMo, Chemical and Mechanical Properties and performance

[ Time:2019-02-18 Click:397 ]


Alloy Steel   Chinese GB/T 3077 Standard  Grade 42CrMo

Equivalent Grade:

EN Steel Number:  1.7223 1.7225  1.7227 1.3563

EN Steel Name: 42CrMo4

SAE Grade: 4140/4142

DIN: 41CrMo4  42CrMo4 42CrMoS4 43CrMo4

BS 970 : 708M40  708A42  709M40 En19 En19C

UNI: 41CrMo4   38CrMo4(KB)  G40 CrMo4  42CrMo4

JIS: SCM 440   SCM  440H   SNB 7   SCM 4M   SCM 4 

42CrMo steel is a ultra high strength steel which has high toughness, hardenability and bo abvious temper brittleness, low deformation rate after being quenched. Heat-treatment or QT(quenching and tempering) will bring high fragile resistance properties and impact resistance properties. 

ready stock

 

This photo is our ready stock after heat-treaing process. These products will be applied for ground foundation anchor bolt which need high tensile strength and high pre-stress performance.

 

 

Chemical Properties

Steel Grade C Si Mn P S Cr Mo
42CrMo 0.38 ~ 0.45 0.17 ~ 0.37 0.50 ~ 0.80 ≤ 0.030 ≤ 0.030 0.90 ~ 1.20 0.15 ~ 0.25

Mechanical Properties:

    • Yield strength: ≥ 930 MPa
    • Tensile strength: ≥ 1080 MPa
    • Elongation: ≥12%
    • Rate of reduction in area: ≥45%
    • Impact absorbing energy: ≥ 63 J
    • Material Brinell hardness: ≤229 (Annealed or high temperature tempered steel rod)
    • Sample blank size: 25mm

What is 42CrMoA?

42CrMo+A represent high level top quality steel. Phosphorus and sulphur composition is much lower than 42CrMo, which means more pure with less impurities. 

Our factory - Anyang Longteng Heat Treatment Material Co.,Ltd provide customer 42CrMoA-LT, which means much higher performance than GB/T 3077 standard. In this way, after heat-treatment,  product properties will be better. 

Contact me to get Mill Test Certificate [email protected]  Ms. Cora Tsao

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Email:[email protected] Tel:0372 2256782  
Add: Industrial Park, Indu District, Anyang City, Henan Province, P.R.China
Anyang Longteng Heat Treatment Material Co.,Ltd. ?  
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