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Guangzhou Changfeng Steel Co., LTD
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Hot Work 420 / 1.2083 Plastic Mould Steel Flat Bar Goold Hardness 2200mm Width

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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!

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

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

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Hot Work 420 / 1.2083 Plastic Mould Steel Flat Bar Goold Hardness 2200mm Width

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Large Image :  Hot Work 420 / 1.2083 Plastic Mould Steel Flat Bar Goold Hardness 2200mm Width

Product Details:
Place of Origin: China
Brand Name: CF STEEL
Certification: ISO / Mill Certificate
Model Number: 1.2083 / 420 / S136 / 4Cr13
Payment & Shipping Terms:
Minimum Order Quantity: 1 ton
Price: Negotiable
Packaging Details: Export standard pakcing or according to customer's request.
Delivery Time: 10-15 work days
Payment Terms: L/C, T/T
Supply Ability: 1000 MT/month
Detailed Product Description
Thickness: 12-90mm Width: 155-2200mm
Length: 2000-6000mm Process: EAF+LF+VD+ESR
Surface Treatment: Black / Milling / Machined Hardness: 30-36HRC
Delivery Quantity: Include MOQ Delivery Condition: Forged Or Hot Rolled
High Light:

alloy steel flat bar


tool steel flat bar


Hot Work Goold Hardenability Hardness 420 / 1.2083 Plastic Mould Steel Flat Bar



Equivalent grades:


4Cr13 1.2083 420 S136





1,Used as a high hardness and high abrasion resistance of hot oil pumps, valves, bearings, medical equipment, springs and other parts.
2, Production of PVC molds.
3, Abrasion resistance and filling mold, including hot and hard plastic mold, long-life mold, such as: disposable tableware mold.
4, production of optical products, such as cameras and sunglasses, medical containers, laser discs and other products.


Hot Work 420 / 1.2083 Plastic Mould Steel Flat Bar Goold Hardness 2200mm Width 0



Chemical composition(%):


C Si Mn P S Cr Mo V
0.30-0.40 0.30-0.70 0.40-0.80 ≤0.015 ≤0.003 12.00-14.00 0.20-0.40 0.20-0.40





1) Good corrosion resistance,abrasion resistance and machinability;
2) Good hardenability,low deformation rates;
3) Excellent cast polarimetry hardened state,high surface accuracy;
4) High precision can be maintained after long-term production;
5) Very low inclusion content,low maintenance costs,stable production cycles;
6) It's attainable in high polish performance after quenching and tempering.



Recommend heat treatment:


Quenching Tempering
Heating temperature/℃ Cooling Hardness/HRC Heating temperature/℃ Cooling Hardness/HRC
1000-1050 OIL 52-55 200-300 AIR 30-36



Available size(mm):


Flat Bar Size(mm) Round bar Size(mm)
Thickness Width Length Diameter Length
12-90 155-1200 2000-6000 20-300 3000-6000



Surface treatment:


 Steel plate  Black / Milling / Machined
 Round bar  Black / Grinding / Polished / Peeled / Turned



Delivery condition:


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



Terms of payment:


30% deposit T/T and the balance by L/C at sight, or T/T.



Corner of factory:


Hot Work 420 / 1.2083 Plastic Mould Steel Flat Bar Goold Hardness 2200mm Width 1


Hot Work 420 / 1.2083 Plastic Mould Steel Flat Bar Goold Hardness 2200mm Width 2



About us:


Guangzhou ChangFeng Steel Co., Ltd. is a professional special steel company, which specialized in exporting mould steel products based in China. With more than 20 years experience in special steel industry, our main products are Plastic Mould Steel, Hot Work Mould Steel, Cold Work Mould Steel, Alloy Structural Steel, Tool Steel, Stainless Steel, Carbon Steel and Forged Block.

To ensure provide high quality products to customers, we have close cooperation with many Chinese first class special steel enterprises, including Baosteel Group, Dongbei Special Steel, Changcheng Special Steel, Hongsheng Heavy Industry, Xingcheng Special Steel, Daye Special Steel.

We have thousand tons of stock materials in our own factory and also can provide processing services to customers. We are full of export experience for many years, the product covers America, Germany, France, Italy, Turkey, Singapore, Thailand, Malaysia, Vietnam, Taiwan, and Middle-East.


Our company have introduced large-sized vertical saw machines, horizontal saw machines, milling machines, grinding machines and other advance equipments, we can export our products by wholesales and retail sales, whole plate or strip is available. All our products can meet the standards of DIN, AISI, JIS and GB, all the material should be inspected the ultrasonic, hardness and others strict inspection process before the shipment!

We can provide below service:
A. Steel plates: Cutting by bandsaw machine, milling, heat treatment, etc
B. Round bars: Cutting by bandsaw machine, peeling, grinding and turned, heat treatment, etc

Contact Details
Guangzhou Changfeng Steel Co., LTD

Contact Person: Echo

Tel: +86 18148729336

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