SKD11, SKD61, Cr12Mo1V1, SKT4 high quality steel flat bar

Article: steel flat bar Grade: SKD11, SKD61, etc. as customized Size: 20-800mm Length: 1~6m as customized with UT

Article: SKD61, SKD11, SKT4, Cr12Mo1V1, Steel flat bar                                 

Grade:	SKD61, SKD11, SKT4, Cr12Mo1V1 etc. as customized
Size:	(T) 20~100mm, (W)100~600mm
Length:	1~6m or as customized
Quality assurance:	Ultrasonic Test
Remark:	electric furnace+LF+VD, ESR is available

Aplication of products:                                                                                                

> 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	V	P	S
SKD11	1.40~1.60	Max. 0.60	Max. 0.60	11.0~13.0	0.70~1.20	1.10	Max. 0.03	Max. 0.03
SKD61	0.32~0.45	0.80~1.20	0.20~0.50	4.75~5.5	1.10~1.75	0.80~1.20	Max. 0.03	Max. 0.03
SKT4	0.50~0.60	0.40	0.50~0.80	0.50~0.80	0.15~0.30		Max. 0.03	Max. 0.03

Processing flow:                                                                                                          

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