1.2083 Forged Flat Bar 4Cr13 Manufacturer Special Tool Plastic Mold Steel

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Dongguan Chimold Technology Co., Ltd

VIP   Audited Supplier 5 years
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420 1.2083 4Cr13
Steel Plate
ASTM, AISI, GB, JIS, DIN, BS
ISO, RoHS, IBR
Black/Milled/Turned/Polish
Hot Rolled or Forged
Mold & Dies
High-strength Steel Plate, Wear Resistant Steel, Silicon Steel
Stock
12 to 500mm
China
Product Description
Product Description

 

1.2083 Forged Flat Bar  4Cr13 Plastic Mold Steel 420

1.2083 steel is a martensitic stainless steel with 12% Chromium which is sufficient to give good corrosive resistance properties. It's best corrosive resistance is when hardened and surface is ground or polished. It has good ductility in the annealed condition but can be hardened up to 500HB (highest of the chromium grades). Martensitic Grades are known for high hardness and allowances must be made for poor weldability and usually allowances for a final harden and temper treatment.  420/1.2083 steel is magnetic and welding is not recommended.

Equivalent Grades:

StandardAISI/SAEW.Nr/DINJISGB
Grade4201.2083SUJ420J24Cr13
 

Chemical Composition Of 1.2083 (%)

CSiMnMoPSCr
0.38-0.45≤1.00≤1.00≤1.000.03≤0.0312.00-13.50

 

Heat Treatment of 1.2083 Steel

Annealing: 760 to 800ºC, slow cooling in furnace (10-20ºC/hr), down to approx. 600ºC, cooling in air. Hardness after annealing: max. 230HB.

Stress relieving: approx. 650ºC, slow cooling in furnace. Hold in neutral atmosphere for 1 to 2hours.

Hardening: 1000 to 1030ºC, oil. Quenching: oil.  Hot bath at approx. 300ºC. Hardness obtainable, approx. 56 HRC.

Tempering: Slowly heating to tempering temperature right after hardening. Recommended to temper 2 or 3 times.

Tempering ºC

100

200

300

400

500

HRC

55

53

52

51

50

* Hardening temperature: 1000ºC, specimen size: dia25mm

Properties:

Well hardening with minimum distortion, very good resistance to wear and compression. In the heat treated condition this steel grade allows a very high polish

Applications:

Inserts and smaller moulds for injection and compression of corrosive plastic materials.

Available Size:

 

Round:Dia   12-200mmHot Rolled
 Dia   50-600mmForged
 
Flat/Square:Thickness12-180mmHot Rolled
  20-600mmHot Forged
 Width1000mm Max.
 
 
Detailed Photos

FAQ

 


FAQ


Q1: Are you a manufacturer or merely a trader? 
A1: We are not only a stockist of Hot rolled products but also a manufacturer of forged products with our own Forging Mill

Q2: What do you do to control the quality?
A2:  Before loading, our products will all be inspected by ultrasonic inspection. Quality Grade conforms to SEP 1921-84 E/e, D/d, C/c as per the customer's request.

Q3:: What are your hot-selling products?
A3: S50C, 1.2311, D2/1.2379, H13/1.2344, CR12MOV, DC53, CR8, abundant stock for both plates and rounds. Competitive prices and short lead-time.

Q4: Can we visit your company and factory? 
A4: Yes, warmly welcome! We will book the hotel and assign our driver to pick you up at the airport when you visit.

 
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