Hot Rolled 420 1.2083 S136 Alloy Tool Steel Bars

• Type: Alloy Steel Bar
• Standard: AISI, ASTM, GB, JIS, DIN, BS
• Technique: Hot Rolled
• Application: Tool Steel Bar
• Surface Treatment: Polished
• Alloy: Alloy
• Model NO.: 1.2083, 420, S136, 4Cr13
• Special Use: Mold Steel
• Hardness: HRC32-35
• Test: SGS / Ut 100% / Element Testing
• Heat Treatment: Annealing +Q+T
• Delivery Quatity: Include MOQ
• Payment: 30% Deposit,Blance by L/C at Sight or T/T
• Technology: Forged or Hot Rolled
• Surface: Black/Peeling/Polishing/Machined
• Certificate: ISO / Mill Certificate
• Shape: Round/sheet/plate/flat bar
• Production Process: EF/EAF+LF+VD/ESR
• Transport Package: Export Standard Packing or Customers′demand
• Specification: diameter 10-350mm
• Trademark: CF STEEL
• Origin: China
• HS Code: 7228300000
• Production Capacity: 1000t/Month

Product Description

Hot Rolled 420 1.2083 S136 Alloy Tool Steel Round Bar

Corrosion-resistant die arrangement for plastics

1.2083 mould steel is a kind of plastic mould steel with high chromium element which is up to 13%.1.2083 mould steel has good wear resistance and good polishing, it widely used for acid proof plastic mold.

Grades Comparison

Germany(DIN)	Japan(JIS)	USA(AISI)	Sweden(SS)	China(GB)
1.2083	SUS420J2	420	S136	4Cr13

Available Size

Grade	Size(mm)
1.2083 Plate	Thickness	Width	Length
	6-195	2200	5800
1.2083 Round Bar	Diameter		Length
	10-350		3000-6000

Chemical Composition(%)

Steel Grade	Chemical Composition(%)
	C	Si	Mn	P	S	Cr
1.2083	0.36-0.42	≤1.00	≤1.00	≤0.030	≤0.030	12.50-13.50
SUS420J2	0.26-0.35	≤1.00	≤1.00	≤0.035	≤0.030	12.00-14.00
420	0.26-0.40	≤1.00	≤1.00	≤0.040	≤0.030	12.00-14.00
S136	0.38	0.90	0.50	≤0.040	≤0.030	13.60
4Cr13	0.36-0.45	≤0.60	≤0.80	≤0.035	≤0.030	12.00-14.00

 

Hardness after tempering:Hardness after tempering:

Tempering °C	100	200	300	400	500	600
HRC	51	50	48	46	42	36

Features:
1. Highly quality of corrosion resistance
2. Pre-hardened delivery save forming mould time
3. Good anti-rusty capacity and easy for welding
4. Excellent polish ability and wear-resisting with high toughness
5. Convenient heat treatment for quenched&tempered steel, without deformed

Application:
1. Transparent plastic mould
2. Highly stressed cutting and punching tools for thin sheets
3. Stone processing tools and knives for paper and plastics,shear knives
4. Requiring higher food industrial equipment parts and PVC / PP / EP

Delivery:
For abundant stock, 7-15 days.For customized products, 30-50 days.

Smelting process





Steel products




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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.

After years of development, the company has established a complete quality management and export service system. We have a group of experienced and competent elites and is capable of offering the best service to clients. 
Our company equips with large-sized Vertical saw machines, Horizontal saw machines, Milling machines, Grinding machines and other advanced equipments to provide customers with cutting and other processing services. 
All the products should be inspected the metallographic analysis, hardness, ultrasonic flaw detection and other strict inspection processes, which meet the standards of DIN, AISI, JIS and GB to ensure their function and quality.