Product Details
Product Description
Product Description
Non-magnetic die steel 5Cr21 product introduction
5Cr21 non-magnetic die steel, known as 5Cr21Mn9Ni4N non-magnetic die steel, is low nickel austenitic non-magnetic stainless die steel and internal combustion engine valve steel. The steel has high hardness (>60HRC), excellent wear resistance, low permeability (<0.01H/m), has good toughness and excellent corrosion resistance at 700℃, is the ideal material for making non-magnetic mold, stable chemical composition, superior performance, long service life, rust resistance. After dozens of magnetic material factory application, is currently replacing 7Mn15, 70Mn, 50Mn and other non-magnetic steel special non-magnetic die steel.
Chemical composition of non-magnetic die steel 5Cr21
Csicrninpsmn5cr21os-5cr210.48 ~0.58≤ 0.3520.0 ~ 22.03.25 ~ 4.50.35 ~0.5≤ 0.04 ≤ 0.038 ~10.0
Mechanical properties of non-magnetic die steel 5Cr21
Conditional yield strength: 580MPa
Tensile strength: 950MPa
Elongation: 8%
Area reduction rate: 10%
Hardness is 302 or higher HBS
Non-magnetic die steel 5Cr21 product characteristics
5Cr21 non-magnetic die steel, known as 5Cr21Mn9Ni4N non-magnetic die steel, is low nickel austenitic non-magnetic stainless die steel and internal combustion engine valve steel. The steel has high hardness (>60HRC), excellent wear resistance, low permeability (<0.01H/m), has good toughness and excellent corrosion resistance at 700℃, is the ideal material for making non-magnetic mold, stable chemical composition, superior performance, long service life, rust resistance. After dozens of magnetic material factory application, is currently replacing 7Mn15, 70Mn, 50Mn and other non-magnetic steel special non-magnetic die steel.
Specification and microstructure for heat treatment of non-magnetic die steel 5Cr21
Heat treatment specification:
Specification for solution treatment and aging
Solution temperature 1100~1200℃, water cooling, hardness about 30HRC, aging temperature (730±780)°C, hardness from 30HRC to 35HRC.
Metallographic organization:
Delivery status of non-magnetic die steel 5Cr21
Delivery in heat treatment (normalizing, annealing or high temperature tempering) or non-heat treatment condition shall be indicated in the contract.
Example of non-magnetic die steel 5Cr21
5Cr21 non-magnetic die steel uses are as follows:
1) It can be used for non-magnetic mould of magnetic material factory.
2) To withstand high temperature strength of the hot mold.
Non-magnetic die steel 5Cr21 spot specifications
5Cr21 round rod: wool rod φ 20- φ 400mm, forging circle and other non-standard customized;
5Cr21 plate: complete specifications, sufficient spot, accept non-standard customized.
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