M2 High speed Steel
1. Standard & Grades:
GB W6Mo5Cr4V2, ASTM M2, DIN 1.3343, JIS SKH51
2.Chemical composition
|
C
|
Si
|
Mn
|
W
|
Mo
|
Cr
|
V
|
P
|
S
|
|
0.80-0.90
|
0.20-0.45
|
0.15-0.40
|
5.50-6.75
|
4.50-5.50
|
3.80-4.40
|
1.75-2.20
|
≤0.030
|
≤0.030
|
3.Size:
Round Bar: Diameter:13-115 mm
Flat Bar or Sheet: Thickness<=200mm, Width<=405mm
4.Property:
ore excellent mirror-process function and anti-errosion effect with ESR craftwork after inspection by ultrasonic machine to safeguard its quality and direct use for mould;
5. Applicantion:
Widely Used in Such Plastics moulds with demand on wear-resisting and good polishing function as advanced transparent adorned products, containers for storing food and masked products.
6. Delivery condition:
Hot rolled or forging, EAF or ESR, annealing, black or machined surface
7.Inspection:
SEP1921/84 GR.,3 CLASS E/E