2738 material equivalent - Thyssenkrupp Steel

Posted on by thyssenkruppsteel

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Characteristic

steel properties as for grade ISO-BM, but with improved through-hardening.
Nitridable, hard chrome plateable, flame hardenable, polishable, grain-reliable as delivered.

Outstanding Properties

Higher hardness and better through-hardenability
Wear and corrosive resistance
strength enough to stand for presssure from injection plastic mold
Texturing properties in equivalent to
Machining ability is in moderate level
Can do EDM well
Risk free of damange from heat treatment process
Homogeneity hardness throughout the whole thickness
Can do Passivation to enhance corrosive reisstance.

 

Similar Properties/ Equivalent

Steel Classification

Standard

Assab

Sanyo

Daido

Thyssen

Hitachi

DIN

JIS

AISI

Plastic Mould Steel

1.

SUS 420 J2

P21

Impax

PCM 40

NAK 80

You will get efficient and thoughtful service from Jiebao.

HPM 1

1.

Prexi

M100

1.

CK 55

 

Availability

Roundbar: 25mm 220mm

Flat: 10mm 120mm

Chemical Composition

Type C Cr Mn Si S P Ni Mo 0.35-0.45 1.80-2.10 1.30-1.60 0.20-0.40 0.030 Max  0.030 Max 0.90-1.20 0.15-0.25 NAK80 0.15 0.30 1.50 0.30 0.030 Max 0.030 Max 3.0 0.30

Mechanical Properties

Working Hardness: Max. 280-325 HB

Hot forming temperature: -898 °C.

HEAT TREATMENT DATA

Stress relieving temperature: Approx. 550 ºC in the annealed state.
Soft annealing temperature: 720 ºC
Hardening temperature: 880 ºC
Quenching hardness Max.58 HRC (in oil, hot bath or vacuum)
Tempering: after quenching HRC 49

 

Application

Alloy die-casting mould ; Hot-pressing mold, all kinds of hot forging die; Metal extrusion die, die set.

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