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Guangzhou Changfeng Steel Co., Ltd.

Steel Plate, Alloy Steel, Steel Products manufacturer / supplier in China, offering Forged 1.2738 / P20+Ni / 3Cr2NiMo Plastic Mould Steel Block Steel, Hot Rolled steel Of Cold Work Die Steel O1, 1.2510, Hot Rolled Steel Tool Steel 1.6523, SAE8620 and so on.

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Supplier Homepage Product Plastic Mould Steel Forged 1.2738 / P20+Ni / 3Cr2NiMo Plastic Mould Steel Block Steel

Forged 1.2738 / P20+Ni / 3Cr2NiMo Plastic Mould Steel Block Steel

Purchase Qty.:
(Tons)
3-4 5-19 20+
FOB Unit Price: US $1,680 US $1,650 US $1,600
Purchase Qty. (Tons) FOB Unit Price
3-4 US $1,680
5-19 US $1,650
20+ US $1,600
Get Latest Price
Port: Shenzhen, China
Production Capacity: 1000t/Y
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: 1.2738/P20+Ni/3Cr2NiMo
  • Standard: ASTM, AISI, GB, JIS, DIN, BS
  • Surface Treatment: Black, Polished, Rough Turning
  • Application: Mold & Dies, Plastic Mould Steel
  • Stock: Stock
  • Hardeness: 33-37HRC
  • Composition: Ferrous Steel Scrap
  • Rounds: Hot Rolled 12-50mm Forged 50-300mm&50-420mm
  • Forged Flats ESR: Thickness:105-610mm Width:610max
  • Transport Package: Normal Package&Customers′ Demand
  • Origin: China
  • Type: Steel Block
  • Certification: ISO, RoHS
  • Technique: Hot Rolled
  • Special Use: High-strength Steel Plate
  • Payment Term: 30% Deposit, Balance by L/C at Sigth
  • Test: Ut 100% / SGS
  • Delivery Quantiity: Include MOQ
  • Forged Flats Eaf: Thickness:20-200mm Width:105-610mm
  • Trademark: CF STEEL
  • Specification: According to customer requirements
  • HS Code: 7225
Product Description
Forged 1.2738 / P20+Ni / 3Cr2NiMo Plastic Mould Steel Block Steel

Pre-hardened large size injection mould, can be pollished normally. Used for making high demand large size plastic mould.


CLC 1.2738  P20+Ni / 3Cr2NiMo is a 300HB (30HRC) pre-hardened grade specially designed for plastic mold industry. Chromium, Molybdenum, Nickel carbon and manganese additions are optimized to have a fully martensite-bainite microstructure after quenching. The high nickel content (1%) is specially adapted to ensure a perfect homogeneity of structure and hardness through thickness even for very thick blocks (up to 700mm/28"). The steel is melted in electrical furnace and refined with VOD or DH device The cleanliness of the steel is guaranteed as well as the soundness. This makes the steel particularly well adapted for mold even when polishing or chemical etching are required for surface finish quality.

DIN 1.2738  P20+Ni / 3Cr2NiMo is specially used for Plastic injection die moulds. The characteristics of a material are right sharpening, photo-etching properties with high purity and good homogeneity. DIN 2738 is upgraded version of plastic mold steel 0f 2311, which normally supply in Pre hardened condition. Hardness in as supplied condition 280-320 HB with having uniform hardness. The additional nickel content of 1 % increases through hardening. It has good machinability, suitable for Texturing, fine polishability, adequate corrosion resistance, vacuum-degassed steel.

Forged 1.2738 / P20+Ni / 3Cr2NiMo Plastic Mould Steel Block Steel
Forged 1.2738 / P20+Ni / 3Cr2NiMo Plastic Mould Steel Block Steel


1, Features

A, uniform hardness qualitative of Material;
B, No quenching crack danger,Without heat treatment costs that can reduce the tool cost;
C, Excellent polishing performance;
D, Good machining performance;


2, Application

DIN 2738 is applicable for large & small plastic mould dies for Automotive Industries, Dies for Domestic goods , High finishing plastic Die, Boaster Plates of Presses, Die Holders & Shoe blocks for drop Hammers, Press Cassettes , Upsetter Blocker, forging dies, Different dies & mold for plastic products etc.

It has superior mirror polishing property,delivered in pre-hardened state and allowable for direct mold cutting without further heat treatment.Through distress annealing and surface nitrding treatment,the change in size and hardness are very slight.Typical applications include large plastic products such as electrical home appliances products,computers shell mould,telephone,speakers,PMMA products,etc.


3, Chemical composition(%)

 
GradeCSiMnCrMoPSNi
3Cr2NiMo0.32-0.400.20-0.400.60-0.801.70-2.000.25-0.40<=0.030<=0.0300.85-1.15
P20+Ni0.28-0.400.20-0.800.60-1.001.40-2.000.30-0.55<=0.030<=0.0300.85-1.20
1.27380.35-0.450.20-0.401.30-1.601.80-2.100.15-0.25<=0.035<=0.0350.90-1.20
7180.33-0.370.15-0.350.80-1.001.65-1.750.40-0.50<=0.030<=0.0350.40-0.50


4, The process flow

1) Hot rolled or forged condition, Pre-harden &tempering , black surface
2) Hardness:30~36HRC
3) Hot rolled technology:EAF+LF+VD
Forged technology:EAF+LF+VD+ESR+Forging +Q T + Machined surface


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

Forged 1.2738 / P20+Ni / 3Cr2NiMo Plastic Mould Steel Block Steel


6, Delivery Date

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


7, About US

Forged 1.2738 / P20+Ni / 3Cr2NiMo Plastic Mould Steel Block Steel
Forged 1.2738 / P20+Ni / 3Cr2NiMo Plastic Mould Steel Block Steel


 
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