forged steel round bar 6CrW2Si

 

1.hot rolled 6CrW2Si tool steel

 

2.High tenacity,quenching hardness and abrasive resistance

 

3.HOT WORK TOOL STEEL ROUND BAR

 

4.6CrW2Si standard

JIS	ASTM	ISO
G4404 2000	A681 2007	4957 1999

 

5.Chemical composition(for reference only):

C	Si	Mn	w	Cr	P	S
0.55~0.65	0.50~0.80	≤0.40	2.00~2.70	1.00~1.30	≤0.030	≤0.030

 

Delivery of hardness and quenching hardness

Steel name	Delivery status		Quenched specimens
	Hardness HBW	Impressiondiameter (mm)	Quenching temperature/°C	Cooling medium	hardness ≥HRC
6CrW2Si	285~229	3.6~4.0	860~900	oil	57

 

6.The physical properties of the 6CrW2Si steel

critical point	Ac1	Ac3	Ms
Temperature (approx.) / ° C	775	810	280

 

7.6CrW2Si steel thermal processing

Project	heating temperature / °C	initial forging temperature / ° C	final forging temperature / ° C	cooling method
Steel ingot Steel billet	1170~1200   1150~1170	1150~1180   1100~140	≥850   ≥850	Slow cooling     Slow cooling

 

8.Delivery condition:EAF or ESR;hot rolled or forging;black,machined surface

 

9.Specification: Round bar:Thickness: 30~400mm, Length:2500~4000mm .

 

10.Payment terms:prepay30% deposit,T/T or L/C at sight.