DIN 1.2379
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 contribute to corrosion resistance;
Vanadium gives the steel a finer grain structure and prevents excessive grain growth and improves the 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 Annealed and will offer hardness to reach 57-59 HRC. It can be machinable in the annealed condition. DIN 2379 is superior steel to D3 due to its high alloy 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 |
JISG4404 |
SKD10 |
Our Supply Range
We supply to automotive ancillaries and OEM customers. The products we manufacture are used as input for manufacturing of automotive and general engineering components. These components are further assembled into systems fitted in automobiles and other engineering applications.
| Product Type | Size Range |
|---|---|
| Forged Round Bars | 140mm Dia to 850mm |
| Rolled Round Bars | 16mm Dia and above |
| Forged Flat Bars | Thickness: 32mm to 510mm, Width: 65mm to 1050mm |
| Rolled Flat Bars | Thickness: 6mm to 110mm, Width: 25mm to 510mm |
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 |
Hardness
Max. 250
Hardening
Austenitizing temperature 1020 ± 10 °C
Thermal Properties
Thermal Conductivity at °C |
20 |
350 |
700 |
W/(m*K) |
16.7 |
20.5 |
24.2 |
Stress Relieving
Approx. 660-710
Mechanical Properties
Country (Region) |
Standard |
Steel Grade (Steel Number) |
Tensile strength, MPa, ≥ |
Yield strength, MPa, ≥ |
European Union |
EN ISO 4957 |
X153CrMoV12 (1.2379) |
860 |
420 |
Physical Properties
Coefficient of thermal expansion °C |
20-100 |
20-200 |
20-300 |
20-400 |
10-6 m/(m*K) |
10.6 |
11.5 |
11.8 |
12.3 |
Tempering
180 ± 10 °C
Annealing
840 – 870
Density
Density, g/cm3 |
7,7 |
Supply Cities
Ambattur, Bangalore, Chennai, Coimbatore, Dindigul, Guindy, Madurai, Nellore, Hyderabad, Tirupur, Tuticorin, Madurai, Andhra Pradesh, Karnataka, Puducherry, Kerala, Kanyakumari, Telangana, Salem, Thanjavur, Trichy, Erode, Vellore, Karur, Nagercoil, Kanchipuram, Karaikudi, Pudukottai, Nagapattinam.
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Addition to other grades
MS, EN1A, EN3B, EN8, EN8D, EN9, EN19, EN24, EN31, EN32B, EN36C, EN41B, EN43B, EN47, EN353, IS2062, 42Crmo4, HCHCR, D2, D3, H-11, H-13, CW-1, OHNS, M2, M35, M42, DIN1.2714, P20, P20+S, P20+Ni, SCM420, ASTMSA-36, ASTMSA-105, SAE1018, SAE4140, SAE8620, 16MNCR5, 20MNCR5, C20, C45, C50, C60, CK45, 20C8, 40C8, 45C8, 55C8, C55MN75, SAE52100, S40C, S355J2G3.
