Heat-resisting steel SUH3

  • Heat-resisting steel SUH3
  • Heat-resisting steel SUH3
  • Heat-resisting steel SUH3
Heat-resisting steel SUH3

General cold 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 ≤HB187,pre-hardened HRC 28-32.

PRODUCT : DIN X45CrSi9/1.4718 JIS SUH1/ GB 4Cr9Si2

HEAT-RESISITING STEEL (gas valve steel)

 

CHEMICAL COMPOSITION: 

C : 0.35-0.45;  Mn:MAX 0.70  ; Si :1.90-2.60 ; P: MAX. 0,035; S: MAX. 0,030 ; Cr :9.0-10.5Ni:  MAX0.60;Mo:0.70-0.90

 

DELIVERY CONDITION : 

1. ANNEALED CONDITION  MAX269HB

2.QUENCHED & TEMPERED 26-32HRC

DIAMETERS : FROM 2mm TO 40mm 

DIAMETER TOLERANCE : AS  PER DIN 175 OR EQUIVALENT ISO h9 .

AS PER REQUIREMENT WITH TOLERANCES h 8 OR  h 7

DELIVERY  LENGTHS: FROM  1METER TO 6 METERS

  

Properties :

Heat resisting, resistance to high temperature oxidation, good toughness, machinability and weldability

 

Applications :

To be made inlet valves on the internal combustion engine and exhaust valve on the light load engine

 

Process Flow

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