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Guangzhou Changfeng Steel Co., LTD
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Special Tool Steel Bar Pre - Hardened Condition P20 / 1.2311 For Plastic Mould

China Guangzhou Changfeng Steel Co., LTD certification
China Guangzhou Changfeng Steel Co., LTD certification
Gold supplier! Arranged shipment very fast, quality is super good. They are one of our best suppliers, will do more business with them in the future!

—— Ms Nguyen Thi Hong

We bought 7 containers from them in 2017, no quality problems. The boss is very nice and professional, good business parner!

—— Mr. Wan Rusli

Good job! Shipment was arranged fast, giving lots of good suggestions before place order, saved me time and money.

—— Mrs. Natntia Jitaniyompanich

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Special Tool Steel Bar Pre - Hardened Condition P20 / 1.2311 For Plastic Mould

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Large Image :  Special Tool Steel Bar Pre - Hardened Condition P20 / 1.2311 For Plastic Mould

Product Details:
Place of Origin: China
Brand Name: CF STEEL
Certification: ISO, RoHS
Model Number: P20 / PDS-3 / 1.2311 / 3Cr2Mo
Payment & Shipping Terms:
Minimum Order Quantity: Negotiable
Price: Negotiable
Packaging Details: Export Standard Packing or as Customer's request
Delivery Time: 15-20 working days
Supply Ability: 1000 Mt/ Month
Detailed Product Description
Material: Special Toll Steel Surface: Black
Technique: Hot Rolled / Forged Condition: Pre-hardened
Basic Application: Mould Steel Grade: P20 / PDS-3 / 1.2311 / 3Cr2Mo
MOQ: Negotiable Test: SGS/Ut 100%/Element Testing
Certificate: ISO/Mill Certificate Delivery Time: 15-20 Days
High Light:

carbon tool steel


hardened tool steel


Guangzhou P20 / 1.2311 Special Tool Steel bar for Plastic Mould



P20 tool steel bar is a type of mold welding consumables, suitable for the production of plastic mold and die-casting low melting point metal mold material.


It has good machinability and mirror grinding performance.



Delivery condition


Hot rolled or forged, black surface, pre-hardened or tempering to 28-33HRC/30-35HRC



Equivalent grades



DIN: 1.2311

GB: 3Cr2Mo




Chemical Composition(%)


C: 0.28-0.4

Si: 0.20-0.80

Mn: 0.60-1.00

S: ≤0.030

P: ≤0.030

Cr: 1.4-2.00

Mo: 0.30-0.55



Available size(mm) for P20 Special Tool Steel


Plate/Flat Bar Size(mm) Round bar Size(mm)
Thickness Width Length Diameter Length
10-700 155-2200 2000-6000 20-200 2000-6000



Recommend heat treatment


Quenching Tempering
Heating temperature/℃ Cooling way Hardness (HRC) Heating temperature/℃ Cooling way Hardness
850-880 Oil Cooling 50-52 580-640 Air Cooling 28-33



P20 Tool Steel bar Feature


A. Good heat-resistance and fatigue-resistance

B. Good integral mechanical performance under high temperature

C. Good hardness uniformity and polishing property,good machining properties

D. Pre-hardened to HRC30-36, can be directly used for mould processing, shorten the construction period.

E. High putity and homogeneous structure of China's biggest ESR production base for its strict requirement in the whole process of exploitation, smelting, vacuum degassing, ESR, forging, annealing,  inspection



P20 Tool Steel bar Applications


1. Main components of overloading mold 

2. TV cabinets,drum mold of washing machine,etc.

3. Plastic molds for injection compressing and injection molding

4. Often used in the manufacture of television cabinet, washing machine, refrigerator inner shell, buckets, etc



A high degree of micro-purity and excellent homogeneous structure, excellent polishing and photolithography.


After heat treatment, processing and polishing performance is good, can be nitriding treatment, suitable for chrome plating and other surface treatment, material hardness (to 400mm thick), good toughness, good machinability.



About Guangzhou Changfeng Steel


Guangzhou Changfeng Steel Co., Ltd is a mould steel stockist, we have our own mould steel factory and trading company. Our main steels are carbon tool steel, plastic mold steel, hot work tool steel, cold work tool steel, Hot Rolled alloy steel for mechanical, etc.


We provide all materials with high quality and competitive price.



Advantages of Guangzhou Changfeng Steel 


  • We are a stockist who have a lot of stocks all the time, we can arrange fast shipment
  • All products 100% pass UT test before the shipment.
  • The 3rd party inspection is accept.
  • Low MOQ request
  • TT, LC payment are both accepted
  • High quality, you won’t have any quality problems


 Special Tool Steel Bar Pre - Hardened Condition P20 / 1.2311 For Plastic Mould 0Special Tool Steel Bar Pre - Hardened Condition P20 / 1.2311 For Plastic Mould 1

Contact Details
Guangzhou Changfeng Steel Co., LTD

Contact Person: Echo

Tel: +86 18148729336

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