W.NR. 1.2379|D2 Steel

Special Steels

Special Steel Includes Cold Work Steel, Hot Work Steel, Plastic Mould Steel, High Speed Steel, High Strength Steel, Abrasion Resistant Steel. These tool materials adhere to great quality demands of steel like temper, strength, toughness, resistance to tempering, hardening capacity, dimensional stability etc. The range of tool steel in our store includes products from renowned manufacturers.

High Speed Steel

Cold Work Steel W.NR. 1.2379|D2 Steel W.NR. 1.2510 W.NR. 1.2080 W.NR. 1.2327 QCM8 Steel SX105V SXACE

Hot Work Tool Steel

Plastic Mould Steel

Abrasion Resistant Steel

Powder Metallurgy Steel

Other Products

Best D2 Tool Steel Supplier

1.2379 is also known as D2 tool steel. Before selecting this grade, consider the working load, required hardness, component dimensions and expected production volume. The correct heat treatment and machining process also influence tool performance. As a leading d2 steel supplier in India, Sandeep EdgeTech supplies D2 tool steel for industrial applications. Contact the team to enquire about D2 steel availability, required sizes and material specifications for your project.

-> Threading rolls and dies, cold extrusion tools, trimming, cutting and stamping tools for sheet thicknesses up to 6 mm, precision cutting tools for sheet thicknesses up to 12 mm, cold pilger mandrels, circular-shear blades, deep-drawing tools, pressure pads and highly wear-resistant plastic moulds.

Comparable standards

DIN	W.Nr	AFNOR	AISI/ASIM	JIS
X155CrVMo12-1	1.2379	Z160CDV12	D-2	SKD11

Chemical composition (typical; in weight %)

C	Si	Mn	P (max)	S (max)	Cr	Mo	V
1.45-1.60	0.10-0.60	0.20-0.60	0.03	0.03	11.0-13.0	0.70-1.00	0.70-1.00

Physical properties (reference values)

20°C	100°C	250°C	500°C
Coefficient of thermal expansion at °C 10-6 m/(W/mk)	10.5	11.5	11.9	12.2
Thermal conductivity at °C (W/mk)	16.7	20.5	24.2

Steel properties

12 % ledeburitic chromium steel. Combines maximum wear resistance, good toughness, outstanding cutting edge retention and tempering resistance. It can be nitrided after special heat treatment.

Heat treatment

TREATMENT	TEMPERATURE	HOLDING TIME (HT)	COOLING	HARDNESS
Annealing	Heat to 830 – 860 °C	Min. H.T. for 2 minute /mm	Furnace	-
Stress relieving	Heat to 650 – 700 °C	Min. H.T. for 2 minute /mm	Furnace	-
Hardening	Heat to 1000 – 1050 °C	Min. H.T. for 1 minute /mm	Air, oil or saltbath, 500 – 550 °C	-

Note

Hardening temperature 1050-1080 °C, tempered 3 times

Chart of tempering values depending on the hardness

°C	100	200	300	400	500	525	550	600
HRC	63	61	58	58	58	60	56	50

Time-temperature transformation diagram Hardening temperature: 1030 °C

Tempering diagram