Home > Knowledge > Content

Contact Us

Add: No.37 Huahu Ave.Huahu Street, Huangshi City Hubei

Tel: +86-714-6510168

Mob: +86-18272169977

Fax: +86-714-6519746

E-mail: info@hubeikaixin.com

P20/1.2311 Hot Rolled Plastic Mould Steel
Oct 20, 2017

Basic Info

  • Model NO.: 1.2311, P20, X40CrMnMoS8-6

  • Technics: Hot Rolled

  • Surface: Polished

  • Special Use: High-strength Steel Plate, Free Cutting Steel, Mold Steel

  • Thickness: 150-600mm

  • Length: 2500~4000mm or as Required

  • Transport Package: Export Standard Packing or Customers′demand

  • Origin: China

  • Standard: DIN, JIS, AISI, ASTM, GB, BS

  • Application: Die Steel Plate

  • Alloy: Alloy

  • Place of Origin: Shenzhen, China

  • Width: 610~1200mm or as Required

  • Trademark: KAIXIN

  • Specification: thickness:12-460mm, width:>=155mm,length:1600-2200

  • HS Code: 7225401000

Product Description

P20 Hot Rolled Plastic Mould Steel

1, The main performance
It has excellent hardening depth and good machinability,delivery to pre hardened and tempered condition, sulfur content is higher than 1.2311.It can impose nitriding processing(about 800HV), plating nickel or chrome.

2, Application:
Mainly used for the degree of thefamily which do not require extreme large plastic moulds,used as a low melting point of die holder,mould base, etc

3, Grade

W.NrDINAFNORAISI/SAE
1.2312X40CrMnMoS8-6(40CMD8S)P20


4, Chemical composition(%)

CMnSiCrMoNiS+P
0.35-0.451.40-1.600.30-0.501.80-2.000.15-0.250.05-0.100.015


5, Phase transition temperature

Ac1740°C
Ms310°C


6, The hardness of delivery

Pre hardened and temperedHB278-325(950-1100N/mm2)

7, Heat treatment 

Annealing1)Heated to 720-750°C,Two to four hours heat preservation,
2)Furnace cooling
Stress relief1)Heated to 560-650°C and then two to four hours heat preservation
2)Furnace cooling or air cooling
Pre hardened1)Preheat to 600-650°C
2)Heated to hardening temperature 840-840°C and heat preservation
3)Oil cooling
4)Hardness:HRC51
Drawing temper1)Immediately after quenching
2)When the 580-650°C,with the 1/inch to heat preservation

8, Delivery:For abundant stock, 15-20 days.
For customized products, 30-50 days.

9, Packing:We provide standard export packing or according to customers' request. 

Hubei Kaixin Supply Chain Management Co., Ltd.

TEL +8618272169977 ; 0714-6510168

FAX0714-6519746

Emailinfo@hubeikaixin.com

AddNo.37 Huahu Ave Huahu Street.Huangshi City Hubei

Code435000

web:www.kxdiesteel.com