SCM440 Flat steel hot forging technology agreement
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  • 2016-09-06 10:47:02

SCM440 Flat steel hot forging technology agreement specifies requirements for for general applications.

This Agreement applies to SCM440 hot forging steel chemical composition, size, shape, technical requirements and so on.
 
1、Varieties: SCM440 (42CrMo) steel forging.
 
2、Specification: (thickness) 100 ~ 330mm * (width) 340 ~ 620mm, length: 2 ~ 5.8 meters.
 
3、Delivery and processing applications: hot forging, annealing, HB = 217, both ends of sawing, cold machining.
 
4、technical requirement:
 
  1. Smelting method:Electric furnace + furnace refining.
 
  1.  Chemical composition  :Chemical composition (melting analysis%) in Table 1。
 
Tab 1
 
Grade C Si Mn P S Cr Mo Ni Cu
                   
  0.38 0.15 0.60 0.90 0.15
SCM440
0.030 0.030 0.25 0..25
  0.43 0.35 0.85 1.20 0.30