About Us
Factory Tour
Quality Control
Contact Us
Request A Quote
Guangzhou Changfeng Steel Co., LTD
Home ProductsPlastic Mold Steel

Annealed Heated Plastic Mold Steel Round Bar Easy Maintenance 1.2083 / SUS420J2

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

I'm Online Chat Now

Annealed Heated Plastic Mold Steel Round Bar Easy Maintenance 1.2083 / SUS420J2

small.img.alt small.img.alt small.img.alt small.img.alt

Large Image :  Annealed Heated Plastic Mold Steel Round Bar Easy Maintenance 1.2083 / SUS420J2

Product Details:
Place of Origin: China
Brand Name: CF
Certification: ISO/Mill Certificate
Model Number: 1.2083 / SUS420J2 / 420
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: 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: Round Bar
Process: EAF+LF+VD+ESR Payment Term: 30% Deposit, Balance By L/C At Sigth After Shipment
MOQ: Negotiable Delivery Time: 15-35 Days
High Light:

mould steel material


p20 mold steel


Hot Rolled Plastic Mold Steel Round Bar 1.2083 / SUS420J2 / 420



1. Equivalent grades


4Cr13 1.2083 420 S136



2. 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



3. Available size(mm)


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



4. 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



5. Feature


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



6. Applications


1, Used as a high hardness and high abrasion resistance of hot oil pumps, valves, 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.



7. Why Choose Us?


1. Competitive price and high quality
2. Approved by ISO9001, CE, SGS every year
3. Best service with 24 hours reply
4. Flexible payment with T/T, L/C

5. Smooth production ability(1000tons/month)
6. Quick delivery and standard exporting package



8. About Guangzhou Changfeng Steel Co., Ltd


We are group of companies and owned manufacturer bases and trading company. We specialized in plastic mold steel,hot work mould steel,cold work mould steel,alloy steel for mechanical,high speed steel,etc. All material are with high quality and competitive price.


We have ready stock for most of material grades in our warehouse, that means we could arrange the shipment fast. If the material don't have stock, the delivery lead time is about 30-50days (depend on the quantity)after receiving your prepayment or firm order.


We are an experience exporting company, our main markets are Vietnam, Thailand, Malaysia, Turkey and Mid-east.


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



Annealed Heated Plastic Mold Steel Round Bar Easy Maintenance 1.2083 / SUS420J2 0

Annealed Heated Plastic Mold Steel Round Bar Easy Maintenance 1.2083 / SUS420J2 1

Contact Details
Guangzhou Changfeng Steel Co., LTD

Contact Person: Echo

Tel: +86 18148729336

Send your inquiry directly to us (0 / 3000)