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D2 ( 1.2379 ) High Carbon Alloy Tool Steel Sheet ( Plate )

China D2 ( 1.2379 ) High Carbon Alloy Tool Steel Sheet ( Plate )

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D2 ( 1.2379 ) High Carbon Alloy Tool Steel Sheet ( Plate )

MOQ： 1 ton
Price： Negotiable
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Payment Terms	L/C, T/T
Supply Ability	200 tons per month
Delivery Time	15 days after receipt 30% of value
Packaging Details	seaworthy
Cold Work tool steel grade	D2, 1.2379, SKD11
Material	D2 ( 1.2379 ) tool Steel Sheet , Plate
Size	1.5~20.0x850mm
Delivery state	annealed
Brand Name	Daway
Model Number	D2, 1.2379, SKD11
Certification	SGS
Place of Origin	China

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Product Details
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Product Specification


Payment Terms	L/C, T/T	Supply Ability	200 tons per month
Delivery Time	15 days after receipt 30% of value	Packaging Details	seaworthy
Cold Work tool steel grade	D2, 1.2379, SKD11	Material	D2 ( 1.2379 ) tool Steel Sheet , Plate
Size	1.5~20.0x850mm	Delivery state	annealed
Brand Name	Daway	Model Number	D2, 1.2379, SKD11
Certification	SGS	Place of Origin	China
High Light	440c stainless steel ，1.4021 stainless steel

D2 ( 1.2379 ) High Carbon Alloy Tool Steel Sheet ( Plate )

This air-hardening, cold work formulation features very high concentrations of carbon and

chromium (1.40 – 1.60% and 11.00 – 13.00%, respectively).

It’s highly wear-resistant and the high concentration of chromium imparts mild corrosion resistance.

APPLICATIONS: Rolls, punches, dies for blanking, forming, trimming, and thread rolling, shear knives,

food-processing knives, and gauges.

Material No. D2 Tool Steel - High-Carbon, High-Chromium, Cold-Work Steel

AISI/ASTM	EN/DIN	JIS
D2	1.2379, X155CrVMo12-1	SKD11

Chemical composition ( weight % )

Grade	C	Si	Mn	Cr	Mo	V
D2	1.50	0.30	0.30	12.00	0.75	0.90

Product forms

All tool steel D2 is sold as annealed condition, Size range

Thickness	Width
1.5~20.0	850mm max.

HEAT TREATING INSTRUCTIONS

HARDENING

Critical Temperature:

Ac1: 1449°F (788°C) Ac3: 1553°F (845°C)

Ar1: 1418°F (769°C) Ar3: 1373°F (744°C)

Preheating: To minimize distortion and stresses in large or complex tools use a double preheat.

Heat at a rate not exceeding 400°F per hour (222°C per hour) to 1150-1250°F (621-677°C) equalize,

then heat to 1400-1450°F (760-788°C). For normal tools, use only the second temperature range as a single preheating treatment.

Austenitizing (High Heat): Heat slowly from the preheat. Furnace or Salt: 1850-1875°F (1010-1024°C).

Quenching: Air or pressurized gas to 150-125ºF (66-51ºC).

Sizes up to 4 inches (101.6 mm) in thickness will through harden when air cooled from 1575ºF (857ºC).

Sizes up to 6 inches (152.4 mm) in thickness will through harden when air cooled from 1625ºF (885ºC).

Tempering: Temper immediately after quenching. Hold at temperature for 1 hour per inch (25.4 mm) of thickness,

2 hours minimum, then air cool to ambient temperature.

The typical tempering range is 350 to 400ºF (177 to 204ºC).

For maximum wear resistance, temper between 300-350°F (149-177°C) for a hardness of 62-64 HRC.

For the optimal balance between wear resistance and toughness, temper between 500-550°F (260-288°C).

This will produce 58-60 HRC.

For maximum toughness, double temper, 2 hours plus 2 hours, at temperatures above 950°F (510°C).

This will produce hardness of less than 58 HRC.

To minimize internal stresses in cross sections greater than 6 inches (152.4 mm) and to improve stability

in tools that will be EDM'd after heat treatment, soaking times of 4 to 6 hours at the tempering temperature

below 950°F (510°C) are strongly recommended.

Annealing: Annealing must be performed after hot working and before re-hardening.

Heat at a rate not exceeding 400°F per hour (222°C per hour) to 1600-1650°F (871-899°C),

and hold at temperature for 1 hour per inch (25.4mm) of maximum thickness; 2 hours minimum.

Then cool slowly with the furnace at a rate not exceeding 50°F per hour (28°C per hour) to 1000°F (538°C).

Continue cooling to ambient temperature in the furnace or in air.

The resultant hardness should be a maximum of 255 HBW.

For Details, please Contact

WUXI GUANGLU Special Steel Co., Ltd.

Stainless martensitic • precipitation hardening steel • stainless ferritic — Our answer to your needs

Tel: +86 510 81812873

Email: export@guanglusteel.com

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Wuxi Guanglu special steel, an ISO 9001 certified company, is a reliable supplier of high performance stainless materials and specialty alloys. In 2018 year, we are proud to introduce special steel strip, materials X20CrMo13KG and X6CrMo17-1, the first ... Wuxi Guanglu special steel, an ISO 9001 certified company, is a reliable supplier of high performance stainless materials and specialty alloys. In 2018 year, we are proud to introduce special steel strip, materials X20CrMo13KG and X6CrMo17-1, the first ...

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Wuxi Guanglu Special Steel Co., Ltd
No.1304-1305, 10 BLDG, No.299, Fangcheng RD, New District, Wuxi, Jiangsu, China 214111
https://www.guanglustainless.com/

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