Your Defined Package: Standard
/
Toplam Para Puan: 0
Toplam Bakiye: 0
Açık Sipariş Sayısı: 0
Açık Isıl İşlem Sayısı: 0
Switch to Corporate SAĞLAM METAL San. ve Tic. A.Ş.
SAĞLAM METAL San. ve Tic. A.Ş.
Henüz Arama Yapılmadı
Henüz Arama Yapılmadı

Sağlam Metal

download app

Sağlam Metal download app you can scan the QR code to download
App Store
Google Play

EN

TL

Welcome

Login / Sign Up

0

Shopping Cart

1.2738 HH (40CrMnNiMo8-6-4) Tool Steel

STEEL Tool Steel Plastic Mold Steels 1.2738 HH (40CrMnNiMo8-6-4)
Share

1.2738 HH (40CrMnNiMo8-6-4)

Low sulphur plastic mould steel that is usually supplied in a quenched and tempered condition. The additional Ni content improves the through hardenability large dimensions (>400 mm). Good machinability, better polishability compared to 1.2312 (AISI P20+S). Similar to AISI P20+Ni.

 

Piece(s)
Area of Application

Large plastic moulds higly stressed in core, hydroforming tools.

Chemical Composition
Code: 1.2738, MCMN,  40CrMnNiMo8-6-4, P20

Carbon

Chromium

Molybdenum

Manganese

Nickel

C

Cr

Mo

Mn

Ni

0,40

1,90

0,20

1,50

1,00
Heat Treatment

 

Temperature

Cooling

Hardness

Soft Annealing

710 - 740 °C

Furnace

235 HB

Stress Relief Annealing

500 - 550°C

Furnace

 

Hardening

830 - 870°C

oil or hot bath 180 - 220°C

see tempering diagram
Mechanical Properties

Hardness

30 - 48

HRC
Physical Properties

Thermal Expansion Coefficient

11,8 - 13,3

1/K * 10-6

Thermal Conductivity  (20°C)

39,5

W/mK

Density

7,85

g/cm3

We use cookies that comply with legal regulations to improve your shopping experience. You can find detailed information on our Cookie Policy page