M2 1.3343 SKH51
M2 1.3343 SKH51 General hot work die steel with good machinability,to be made die casting mold,extrusion and injection mold and ejector pins,ejector sleeve,punches,block gauge,measuring tools.
High wear resistance,high toughness,small deformation caused by heat treatment.
Have a high and uniform hardness after heat treatment,heat resisting,resistance to high temperature oxidation,good toughness,machinability and weldability.
Annealing ≤HB255,pre-hardened HRC 40-46/HRC50-55.
PRODUCT : High speed tool steel DIN 1.3343/ASTM M2/JIS SKH51
Application: cold die,blanking die,punches and variour molding tools
Comparable steel grade:
AISI/SAE | DIN | JIS |
M2 | 1.3343 | SKH51 |
Chemical composition
C | Si | Mn | P | S | Cr | Mo | V | W |
0.86-0.94 | ≤0.45 | ≤0.40 | ≤0.030 | ≤0.030 | 3.80-4.50 | 4.70-5.20 | 1.70-2.10 | 5.90-6.70 |
Delivery hardness
quenched & tempered 58-62HRC
annealed condition ≤255HB
DELIVERY CONDITION:
1. QUENCHED & TEMPERED ROUND BRS
2. CENTERLESS GRINDING ROUND BRS
3.COLD DRAWN ROUND BARS
DIAMETERS : FROM 2.0mm TO 90.0mm
DIAMETER TOLERANCE : ISO h7,h8,h9