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Kunshan Chengweishang Special Steel Co., Ltd.

Steel Plate, Mould Steel, Plastic Mould Steel manufacturer / supplier in China, offering Premium Quality 1.2311 Plastic Mould Steel Plate, Steel Round Bar Cold Work Mould Steel 1.2510, Plastic Mould Steel 1.2311 Hot Rolled Steel Plate and so on.

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Supplier Homepage Product Plastic mould steel Premium Quality 1.2311 Plastic Mould Steel Plate

Premium Quality 1.2311 Plastic Mould Steel Plate

FOB Price: US $500-700 / Ton
Min. Order: 3 Tons
Min. Order FOB Price
3 Tons US $500-700/ Ton
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Production Capacity: 1000 Tons/Month
Transport Package: Export Standard Packing or Customers′ Demand
Payment Terms: T/T

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Basic Info
  • Model NO.: 1.2311/P20/3Cr2Mo
  • Standard: AISI, GB, DIN
  • Surface Treatment: Uncoated
  • Application: Mold & Dies
  • Stock: Stock
  • Trademark: CWS-Steel
  • Origin: China
  • Type: Steel Plate
  • Certification: ISO
  • Technique: Hot Rolled
  • Special Use: Mold Steel
  • Grade: 1.2311/P20/3Cr2Mo
  • Specification: width 1000-4000mm
  • HS Code: 7225
Product Description

1.2311 Plastic Mould Steel
Introduction
3Cr2Mo is an internationally widely used plastic mold steel, its good mechanical properties, high hardenability can make Larger cross-section steel to obtain more uniform hardness, and this steel has good polishing performance and high mold surface finish.
When using this steel mold, usually make quenching and tempering treatment first that the hardness is HRC28 ~ 35 (pre-hardened), and then by cold working manufactured molds can be used directly.
In this way, it can guarantee the using performance of the mould, and avoid deformation of the mold causes by heat treatment.
Therefore, the steel is suitable to manufacture big or medium-sized precision plastic mold and low melting point, tin, zinc, lead alloy die-casting molds.
Feature
1.Pure steel vacuum degassing refining process for polishing or etch processing plastic mold
2.Pre-hardened state of supply, without heat treatment can be used directly in the mold, shorten the construction period.
3.By forging rolling processing, compact structure, 100% ultrasonic testing, non-porous, needle defects.
4.For the production of plastic mold and die casting low melting point metal mold material.
5.This steel has good machinability and mirror polishing properties.
6.Hardness:285-330HB(30-36HRC)
7.Good dimensional stability
8.With long service life,Mold die life up to 50W times
Application
1.Main part of overloading mould
2.Thermoplastic injection molding, extrusion dies
3.Commonly used in the manufacture of TV cabinet, washing machine, refrigerator shells, buckets, etc.

Equivalent grades

GB 

DIN 

AISI 

JIS 

-

3Cr2Mo

1.2311

P20

-

-

Chemical 
Composition

C

Si

Mn

Cr

P

S

Mo

Ni

-

0.35-0.45

0.20-0.40

1.30-1.60

1.80-2.10

≤0.030

≤0.035

0.15-0.25

-

-

Available size

Round Bar

Diameter

Length

60-800mm

2000-6000mm

Flat Bar

Thickness

Width

Length

25-400mm

200-800mm

2000-6000mm

Smelting&shaping

EF/ ESR+ hot forged/ hot rolled

Surface condition

Black surface/ Grinded/ Machined

Annealed hardness

50-54 HRC   

Characteristics

good toughness properties, easy to machine, better polishability than 1.2312, 
dimensional stability flame hardenable, good photoengraving properties

Applications

Plastic moulds,frames for plastic pressure dies,hydroforming tools

Heat Treatment

Annealing

Heat to 720÷750°Cfor 2÷4 h furnace co

Tempering

To be carried out after hardening in the range 580÷650°C for 25mm of thickness minimum 2h

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