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Guangzhou Changfeng Steel Co., LTD
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Prehardened Hot Rolled Steel Bar 1.2738 / P20+Ni Grade Hard Chrome Plated

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China Guangzhou Changfeng Steel Co., LTD certification
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Prehardened Hot Rolled Steel Bar 1.2738 / P20+Ni Grade Hard Chrome Plated

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Large Image :  Prehardened Hot Rolled Steel Bar 1.2738 / P20+Ni Grade Hard Chrome Plated

Product Details:
Place of Origin: China
Brand Name: CF
Certification: ISO/Mill Certificate
Model Number: 1.2738 / P20+Ni
Payment & Shipping Terms:
Minimum Order Quantity: Negotiable
Price: Negotiable
Packaging Details: Export Standard Packing or Customers'demand
Delivery Time: 15-35 days
Supply Ability: 1000t / Month
Detailed Product Description
Heat Treatment: Q + T Surface Treatment: Black
Delivery Condition: Hot Rolled Test: SGS/Ut 100%/Element Testing
Certificate: ISO/Mill Certificate Shape: Flat Bar
Process: EAF+LF+VD+ESR Payment Term: 30% Deposit, Balance By L/C At Sigth After Shipment
High Light:

hot rolled steel flat bar


hot rolled steel round bar


Hot Rolled 1.2738 / P20+Ni Pre-hardened Platic Mold Steel Flat Bar



1.2738 / P20+Ni is a large long-life plastic injection mold steel.  


1.2738 is based on P20 steel, but added 1% Ni. Compared with P20, its strength, hardness and plasticity are improved. Can also improve the anti-oxidation properties.





1. Household appliances, computer cases and other molds;

2. High surface finish of the plastic mold; blow mold;

3. Due to high hardness, plastic mold can be used in the ider;

4. Forming tools, compression - brake mold Bay board machine), (depending on the production needs can be applied flame hardening or nitriding);

5. Construction parts and shafts.



Equivalent grades


3Cr2NiMnMo 1.2738 P20+Ni 718



Chemical Composition(%)


C Si Mn P S Cr Mo Ni
0.28-0.40 0.20-0.80 0.60-1.00 ≤0.03 ≤0.015 1.40-2.00 0.30-0.55 0.80-1.20



Hardness: Pre-hardened 33-37 HRC



1.2738 Mold Steel Features


1. Hardening characteristics,

2. Uniform hardness of large molds,

3. Fine grain structure,

4. Uniform bite flower,

5. Easy processing,

6. Easy polishing,

7. Hard chrome plated.



Pre-hardened 1.2738 mold steel is a vacuum-melting chromium-nickel-molybdenum alloy steel that has been hardened and tempered before it leaves the factory.


It offers the following advantages:


A. No risk of quench cracking and heat treatment;

B. No need for heat treatment; shorten the cycle time;

C. Cost (for example, without overseas Chinese is deformation);

D. Easy to amend the mold;

E. Nitriding and surface hardening can be applied to improve the mold surface hardness and wear resistance.



Delivery Time

Stock items 15-20 days; customized items 30-50 days.



Packing: Standard export packing; customers' special requests are accepted



About US


Guangzhou Changfeng Steel Co., Ltd is a mould steel stockist, we have our own factory and trading company.


Our main steels are carbon tool steel, plastic mold steel, hot work tool steel, cold work tool steel, alloy steel for mechanical, etc.


All material are with high quality and competitive price.





Why choose us?


1. Sizes, materials and others are all at your requirements and can be changed.

2. We have adequate inventory, so that we can arrange quick shipment.

3. We are direct manufature in machinery manufacturing work with experience of several decades.

4. Detail production design will be made according to information you offered.

5. The most important is that we have advance equiments.

6. Price varies on materials, dimensions, finish craft and different payments.



Prehardened Hot Rolled Steel Bar 1.2738 / P20+Ni Grade Hard Chrome Plated 0Prehardened Hot Rolled Steel Bar 1.2738 / P20+Ni Grade Hard Chrome Plated 1


Contact Details
Guangzhou Changfeng Steel Co., LTD

Contact Person: Echo

Tel: +86 18148729336

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