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Guangzhou Changfeng Steel Co., LTD
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High Cr Containing 420 Tool Steel Flat Bar Well Polishing Performance 4Cr13 / 1.2083

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.

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High Cr Containing 420 Tool Steel Flat Bar Well Polishing Performance 4Cr13 / 1.2083

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Large Image :  High Cr Containing 420 Tool Steel Flat Bar Well Polishing Performance 4Cr13 / 1.2083

Product Details:
Place of Origin: China
Brand Name: CF
Certification: ISO/Mill Certificate
Model Number: 4Cr13 / 420 / 1.2083
Payment & Shipping Terms:
Minimum Order Quantity: Negotiable
Price: Negotiable
Packaging Details: Export Standard Packing or According To Customers' demand
Delivery Time: 15-35 days
Supply Ability: 1000t/Month
Detailed Product Description
Delivery Condition: Forged Or Hot Rolled Test: SGS / Ut 100% / Element Testing
Heat Treatment: Annealed/Q + T Surface Treatment: Black / Peeled / Polished / Machined / Turned
Certificate: ISO/Mill Certificate Shape: Plate / Flat Bar
Process: EAF+LF+VD+ESR Payment Term: 30% Deposit, Balance By L/C At Sigth After Shipment
MOQ: 3 Tons Delivery Time: 15-35 Days
High Light:

plastic mould steel


p20 mold steel


4Cr13 / 420 / 1.2083 Plastic Mold Steel Flat Bar With Good Corrosion-resistant



4Cr13 / 420 / 1.2083 Plastic Mold Steel has good corrosion resistance and abrasion resistance, erosion resistance against common chemicals, especially P.V.C products, more effective, easy to reach the mirror light effect.
It's a special steel-plastic mold steel, it is high Cr-containing stainless steel, containing Cr up to 15% or more, has a very good wear resistance, anti-acid and good polishing performance, good machinability . After quenching more wear-resistant · Suitable for electric erosion suitable acidic plastic and require good polishing mold.


1. Chemical Composition(%)


C Si Mn P S Cr Mo V
0.35-0.45 ≤0.60 ≤0.80 ≤0.03 ≤0.03 12.00-14.00 0.20-0.40 0.20-0.40



2. Equivalent grades


4Cr13 1.2083 420 S136



3. 1.2083 Plastic Mold Steel Feature


* Good corrosion resistance, wear resistance and machinability
* Good hardenability
* Low deformation rate
* Excellent throwing state in hardened state
* High surface accuracy
* After the long-term production can still maintain the original high-precision
* Very low inclusion content
* Low maintenance costs
* Stable production cycle



4. Available size(mm)


Plate / Flat Bar Size(mm) Round bar Size(mm)
Thickness Width Length Diameter Length
10-500 155-1200 2000-6000 20-300 3000-6000



5. Recommend heat treatment


Quenching Tempering
Heating temperature/℃ Cooling way Hardness (HRC) Tempering temperature
Preheating temperature Quenching temperature
680-850 1020-1050 Oil Cooling or air cooling 54-58 250-500 30-36



6. Applicaition


* PVC mold production
* Wear resistance and filling molds, including hot and hard plastic molds, long-life molds, such as: Disposable tableware mold
* Optical components production, such as: cameras and sunglasses, medical containers, laser discs and other products.



7. Delivery Time


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



8. About Guangzhou Changfeng Steel Co., Ltd


We are a group company that owned manufacturer bases and trading company. We specialized in plastic mold steel, hot work mold steel, cold work mold steel, alloy steel for mechanical, high speed steel,etc.


All material are with high quality and competitive price.


We are here waiting for a cooperation chance between us, contact us and you will have one more loyal mold steel supplier!



More Photos


High Cr Containing 420 Tool Steel Flat Bar Well Polishing Performance 4Cr13 / 1.2083 0High Cr Containing 420 Tool Steel Flat Bar Well Polishing Performance 4Cr13 / 1.2083 1


Contact Details
Guangzhou Changfeng Steel Co., LTD

Contact Person: Echo

Tel: +86 18148729336

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