Product

China 37Cr4-Alloy steel

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The material China 37Cr4-Alloy steel belongs to the material group “Quenched And Tempered Steels”. The steel material “37Cr4” has five alternative names. We also have the chemical analysis of 37Cr4 available for you below. The material “37Cr4” contains Chrome, Manganese, Phosphorus, Silicon and Sulfur.

Description

The material China 37Cr4-Alloy steel belongs to the material group “Quenched And Tempered Steels”. The steel material “37Cr4” has five alternative names. We also have the chemical analysis of 37Cr4 available for you below. The material “37Cr4” contains Chrome, Manganese, Phosphorus, Silicon and Sulfur. For the future we plan to add mechanical properties of “37Cr4”, complete data-sheets as well as a PDF-Download for you to download. For now you can easily inquire this steel-material without obligation by using our contact-form. For correct determination of the shipping costs we need your shipping address. Please keep in mind that a detailed calculation can take a few days, depending on quantity, shipping-address as well as forms and materials. We will contact you in any case.

Reference standard

  • EN 10083-3: 2006 Steels for quenching and tempering. Technical delivery conditions for alloy steels
  • EN 10263-4: 2001 Steel rod, bars and wire for cold heading and cold extrusion. Technical delivery conditions for steels for quenching and tempering
  • EN 10250-3: 2000 Open steel die forgings for general engineering purposes. Alloy special steels

Application

  • Chromium steels for machine structure use
  • Structural steels with specific hardenability bands

Chemical composition

C Si Mn P S Cr
0.34-0.41 max   0.4 0.6-0.9 max   0.025 max   0.035 0.9-1.2

Equivalent Grades

EU Germany Japan France England China Russia Inter
EN DIN,WNr JIS AFNOR BS GB GOST ISO
37Cr4 37Cr4 SCr435H 37Cr4

38C4

530A36

530M36

35Cr 38KHA

40KH

37Cr4

Size Tolerance

Surface Finish Size Tolerance Length
Black For Forged condition (0,+5mm) Multiple Length/Fixed Length
Black For Rolled condition (0,+1mm)
Rough Turned (0,+3mm)

Mechanical properties

  • Tensile Strength:950-1150 N/mm2
  • Yield Strength:min. 750 N/mm2
  • Elongation:min.11 %(l)
  • Kv-Imapct value:min.30J (l)

Heat Treatment Conditions

  • +A   Soft annealed/Soft annealing
  • +N   Normalized/Normalizing
  • +QT  Quenched and Tempered
  • +U   Untreated
  • +SR  Stress Relieved

Normalizing:845℃-885℃

Soft Annealing:680℃-720℃

Hardening:825 – 865°C,850-870°C,cooling in in water or oil

Tempering:540°C – 680°C, cool in still air.

Round and square bars, forged flat bars

Forgings

Hot-rolled bars

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