DIN 1.2379 DIE STEEL / TOOL STEEL

 

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Grade Introduction:

DIN 1.2379 Steel (X153CrMoV12 Material) is a high carbon chromium molybdenum vanadium cold worked tool steel with high wear resistance, good dimensional stability, toughness and hardenability. Due to the secondary hardening properties, it is easy to carry out supplementary nitriding and surface coating. High chromium increases wear resistance and toughness and contributes to corrosion resistance; Vanadium gives steel a finer grain structure and prevents excessive grain growth and improves hardenability of steel; Molybdenum increases heat resistance and hardenability, improve corrosion and wear resistance. 

DIN 2379 steel is Cold Work Steel with High Carbon High Chromium contents. The Quality with high wear resistant and toughness properties due to Vanadium addition of 0.90% . Normally it supply condition is an Annealed and will offer hardness to reach 57-59 HRC. It can be machinable in the annealed condition. DIN 2379 is the superior steels than D3 due to high alloys properties. 

 

Grade Application:

DIN 2379 tool steel applicable for cold stamping or forming dies, cold forming rolls, Chipper knives, Punches, slitters, shear blades, tools, tyre shredders, trimming, cutting Threading Dies , stamping tools Etc.

 

Equivalent grades:

European Union		Germany		US		ISO		China		Japan
Standard	Steel Name (Material Number)	Company	Steel Name	Standard	Grade (UNS)	Standard	Grade	Standard	Grade	Standard	Grade
EN ISO 4957	X153CrMoV12 (1.2379)	Bohler	Bohler K110	AISI; ASTM A681	D2 (UNS T30402)	ISO 4957	X153CrMoV12	GB/T 1299	Cr12Mo1V1	JIS G4404	SKD10

 

Addition to other grades:

MS, EN1a, EN3b, EN8, EN8d, EN9, EN19, EN24, EN31, EN32b, EN36c, EN41b, EN43b, EN47, EN353, IS2062, 42Crmo4, HCHCR, D2, H-11, H-13, CW-1, OHNS, M2, M35, M42, 2714, SKD-11, P20, P20+s, P20+Ni, SCM 420, ASTM Sa-36, ASTM SA-105, SAE 1018, SAE 1020, SAE 4140, SAE 8620, 16MNCR5, 20MNCR5, C20, C35, C40, C45, C50, C60, CK45, 20C8, 40C8, 45C8, 55C8, C55MN75, SAE52100, S40C, S355J2G3.

 

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Chemical composition:

The following table shows the chemical composition of DIN 1.2379 steel:

Element	C	Si	Mn	Ni	P	S	Cr	Mo	V
Content (%)	1.45 – 1.60	0.1 – 0.6	0.2 – 0.6	–	–	–	11.0 – 13.0	0.70 – 1.00	0.70 – 1.00

 

Mechanical Properties:

1 MPa = 1 N/mm2

 

Hardness:

Max. 250

 

Heat treatment:

 

Hardening:

Austenitizing temperature 1020 ± 10 °C

 

Tempering:

180 ± 10 °C

 

Physical Properties:

Coefficient of thermal expansional °C	20-100	20-200	20-300	20-400
10-6 m/(m*K)	10.6	11.5	11.8	12.3

 

Thermal Properties:

Thermal Conductivity at °C	20	350	700
W/(m*K)	16.7	20.5	24.2

 

Forging Properties:

 

Stress Reliving:

Approx. 660-710

 

Normalizing:

 

Annealing:

840 – 870

 

Density:

Density, g/cm3

7,7

 

Machine ability:

 

Welding:

 

Supply Cities:

Ahmedabad, Amaravathi, Ambattur, Bangalore, Belgaum, Chennai, Chittoor, Coimbatore, Dindigul, Mysore, Nellore, Hyderabad, Kochi, Mangalore, Tirupur, Tuticorin, Madurai, Andhra Pradesh, Karnataka, Puducherry, Kerala, Tamil Nadu, Telangana, Salem, Thanjavur, Tirchy, Erode, Vellore, Ranipet, Sivakasi, Karur, Hosur, Nagercoil, Kanchipuram, Karaikudi, Neyveli, Cuddalore, Kumbakonam, Thiruvannamalai, Pollachi, Rajapalayam, Gudiyatham, Pudukottai, Vaniyambadi, Ambur, Nagapattinam, Trivandrum, Vijayawada, Guntur, Thirupathi, Nazarathpet, Kakinada, Kurnool, Kadapa, Nizamabad, Mahabubnagar, Karimnagar.