D2 SKD11 Cold Work alloy mould Tool Steel bar

• Technique: Hot Rolled
• Standard: AISI, JIS, ASTM, DIN, GB
• Certification: IS0, RoHS
• Ut Class: According to Standard of Sep 1921/84, 100% Volume
• Melting Process: Eaf+ESR
• Thickness: 6-160mm
• Model NO.: 1.2379/D2/SKD11/Cr12Mo1V1
• Width: 155-610mm
• Diameter: 14-80mm
• Length: 4000-6000mm
• Process Technique: Forged or Hot Rolled
• Payment Term: 30% Deposit, Blance by L/C at Sight or T/T
• Surface Treatment: Black, Grinded, Machined
• Transport Package: Export Standard Packing or Customers′demand
• Specification: On request
• Trademark: CHANGCHENG STEEL
• Origin: China
• HS Code: 7228
• Production Capacity: 1000t/Month

Product Description

Cold Work Tool Steel Flat Bar D2 SKD11 

For various high precision, long-life cold work moulds, cutting tools and measuring tools.

Equivalent grades					Brief Introduction
GB	DIN	AISI	JIS		D2 die steel, high wear resistance and micro deformation, cold working die steel, wind hard tool steel, carbon content up to 1.5%, chromium content high, noisy 11.5%, heat treatment, hardness up to 60HRC. D2 steel can be used to make large cross section, complex shape, strong impact, high resistance to cold working die steel, such as silicon steel sheet die, cold cutting scissors, trimming die, etc..
Cr12Mo1V1	1.2379	D2	SKD11
Available size(mm)
Flat Bar Size(mm)			Round bar Size(mm)
Thickness	Width	Length	Diameter	Length
8-80	155-610	3000-6000	14-80	300-6000
Chemical Composition(%)
C	Si	Mn	Cr	Mo	V	P	S
1.40-1.60	0.30-0.50	0.30-0.50	11.0-13.0	0.70-1.20	≤0.8	≤0.030	≤0.030

1, SKD11 Features
1) Good processing, heat treatment size stability.
2) Excellent machinability.
3) Excellent dimensional stability when hardened.
4) After hardening and tempering, the high surface hardness match well with the toughness of the body.

2, SKD11 Application
For metal stamping die, drawing die, stainless steel sheet punching die, high hardness punching die, cutting knife mold, Roll Die, metal parts production, machinery manufacturing etc.
(1) Used for drawing die of refrigerator compressor rear cover, quenching hardness 56~58HRC.
(2) In order to improve the service life of flat rolling material for D2 cold working die, the wear resistance and impact toughness of steel are greatly improved by adding rare earth, so as to improve the service life of flat rolling material of round die.
(3) Because the content of V and Mo in D2 steel is higher than that of Cr12MoV steel, it has better comprehensive properties, and the traditional Cr12MoV steel will be replaced gradually.
(4) Made of D2 steel rolling wheels, from Taiwan palette die, and Cr12MoV can improve the service life of steel compared to 5 ~6 times.

3, SKD11 Heat Treatment:

quench					temper
Heating temperature/ºC			Cooling way	Hardness (HRC)	Tempering temperature /ºC	Tempering number	Hardness (HRC)
First preheating	Second preheating	Last heating
600-650	800-850	1020-1040	Air Cooling	61-63	500-560	2	≥58

4, SKD11 Hardness: Annealing 235 ~ 205 HB, Quenching ≥50 HRC

5, Delivery Detail: For abundant stock, 15-20 days.For customized products, 30-50 days.

6, Terms of payment: 30% deposit T/T and the balance by L/C at sight, or 100%T/T

7, Delivery condition:

EAF or ESR, Hot rolled or Forged, machined material,Annealing or Q+T
Factory Hardness: HBS=160-235.

8, Ultrasonic test standards: SEP1921-84 GR.3 CLASS D/D

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