Description:

Aplication 

 

locomotive industry	ship making industry
oil industry	machining industry
chemical engineering industry	electric power industry
automobile industry	coal feeder industry
aviation industry	space flight industry
national defense construction

 

Chemical composition (%)

 

Grade	C	Si	Mn	Cr	Mo
42CrMo	0.38~0.45	0.17~0.37	0.50~0.80	0.90~1.20	0.15~0.25
20CrMo	0.17~0.24	0.17~0.37	0.40~0.70	0.80~1.10	0.15~0.25

 

Processing

 

Electric arc furnace melting→refining furnace→vacuum treatment furnace→

→cast ingot→steel ingot anneal→ heating → high-speed forging, refining

forging→annel,retarded cooling,air cooling→quenching and tempering

treatment→finishing operation→test→finished products

 

 

 

 

Pictures 

 

 

Packaging of Round Rod:

 

 

Company Picture: