SKH51 High Speed Die Steel Round Bar

High speed die steel(HSS/HS)/round bar
1)W6Mo5Cr4V2/JIS SKH51 /AISI M2/DIN HS6-5-2(1.3343)
2)Smelting : EAF+LF+VD+ESR

high speed die steel round bar 

W6Mo5Cr4V2/JIS SKH51 /AISI M2/DIN HS6-5-2(1.3343)

skh51 high speed die steelis a general purpose molybdenum-type high speed steel exhibiting well-balanced toughness,

wear resistance and red hardness properties.

 

1.Chemical Composition

C	Si	Mn	S	P	Cr	V	W	Mo
0.8-0.9	0.2-0.45	0.15-0.4	≤0.03%	≤0.03%	3.8-4.4	1.75-2.2	5.5-6.75	4.5-5.5

2.Dimension(mm)

1)Round Bar: Diameter 20-400mm
2)Flat Bar: Thickness20-200mm*Width60-500mm
3)Plate:Thickness0.5-200mm
Note:we can produce special specification products as per customer's requiremen

3.Hardness

Tempering °C	500	550	600	650
HRC	64	65	64	61

4.Smelting Process: EAF+LF+VD+ESR

5.Surface Treatments

Peeling/Turned/Grinding/Polishing

high speed die steel round bar

can be nitrided, steam tempered or titanium-nitride coated if desired.

If the CVD TiN treatment is used, care is required in vacuum hardening 

6.Inspecting:UTS according to SEP1921 C/c or GB/T6402

7.Quality Control

test products mechanical and chemical properties in every procedure
(third party inspection institution:ISO9001-2008,CIQ,SGS,ITS,BV,etc)

8.Certificate

Mill Test Certificate(MTC)
Mangnaflux Test
Ultrasonic Test