1.2083 420 4Cr13 S136 Forged Special Alloy Steel Round Bar

• Type: Alloy Steel Bar
• Standard: AISI, ASTM, GB, JIS, DIN, BS
• Technique: Forged
• Application: Tool Steel Bar, Die Steel Bar
• Surface Treatment: Polished
• Alloy: Alloy
• Model NO.: 1.2083 420 4Cr13 S136
• Special Use: Mold Steel, Tooling and Die
• Certificate: ISO/Mill certificate
• Heat Treatment: Q+T
• Quality Inspection: Ut, Chemical Test, Microstructure
• Ut Test Standard: Sep1921-84 Class3 C/C to D/D
• Grade: 1.2083/4Cr13/420/S136
• MOQ: 3T
• Payment: 30% deposit, balance by L/C at sight or T/T or
• Production Route: EF/EAF+LF+VD/ESR
• Sample: Free
• Annealing Hardness: 229HB
• Q+T hardness: 30-36HRC
• Steel mill: Bao Steel
• Diameter: 12-300mm
• Length: 3000-6000mm
• Cutting: Customized
• Transport Package: Export Standard Packing or as Customers′ Request
• Specification: 12-300*3000-6000mm
• Trademark: CF Steel
• Origin: China
• HS Code: 7228300000
• Production Capacity: 3000t/Month

Product Description

1.2083 420 4Cr13 S136 Forged Special Alloy Steel Round Bar 

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

1,Grade	DIN 1.2083   AISI 420  JIS SUS420J2
2,Feature	Excellent corrosion resistance;Excellent abrasion resistance and elasticity
	Excellent high-temperature abrasion resistance
	Medium toughness,dimensionally stable,high compressive strength
3,Application	Highly stressed cutting and punching tools for thin sheets
	Stone processing tools and knives for paper and plastics,shear knives
	Chemical Resistance plastic mold,Corrosion of thermoplastic plastics

4,Hardness after tempering :

Tempering	100°C	200°C	300°C	400°C
HRC	54	52	52	52

5,Chemical composition (%)

Grade	delivery hardnessºC	C	Si	P	S	Cr	Ni	Mo	Mn
420	HRC32-36	0.4	0.8	≤0.03	≤0.03	13.5	~	0.6	0.5
4Cr13	HB≤201	0.36-0.48	≤0.6	≤0.035	≤0.03	12-14	≤0.6	~	≤0.8
1.2083	HB≤235	0.26-0.35	≤0.6	≤0.03	≤0.03	12.5-14	≤0.5	~	≤0.8
S136	HB≤235	0.38	0.8	≤0.03	≤0.03	13.6	~	~	0.5

6,Package: We provide standard export packing or according to customers' request.   

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

8,Heat Treatment:

Annealing :	810 - 830 °C
Hardness after annealing :	Max.230 HB
Stress relieving:	Approx.650 °C
Hot forming:	1050 - 850 °C
Hardening:	970 - 990 °C
Quenching media:	Oil, Vacuum
Hardness after quenching:	52 - 56 HRC