1.1140 Chemical composition
| C ≤ |
Si ≤ |
Mn ≤ |
P ≤ |
S ≤ |
Cr | Ni |
|---|---|---|---|---|---|---|
| 0.12-0.18 | 0.40 | 0.30-0.60 | 0.035 | 0.020-0.040 | ||
| Mo | Al | Cu | Nb | Ti | V | Ce |
| N | Co | Pb | B | Other | ||
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Products Description 1.1140 steel is a remarkable material with a wide range of applications and outstanding properties. This steel grade is known for its excellent mechanical strength. It can withstand significant loads and stresses, making it suitable for use in structural components and...
| C ≤ |
Si ≤ |
Mn ≤ |
P ≤ |
S ≤ |
Cr | Ni |
|---|---|---|---|---|---|---|
| 0.12-0.18 | 0.40 | 0.30-0.60 | 0.035 | 0.020-0.040 | ||
| Mo | Al | Cu | Nb | Ti | V | Ce |
| N | Co | Pb | B | Other | ||
| Properties | Conditions | ||
|---|---|---|---|
| T (°C) | Treatment | ||
| Density (×1000 kg/m3) | 7.7-8.03 | 25 | |
| Poisson's Ratio | 0.27-0.30 | 25 | |
| Elastic Modulus (GPa) | 190-210 | 25 | |
| Tensile Strength (Mpa) | 1158 | 25 | oil quenched, fine grained, tempered at 425°C |
| Yield Strength (Mpa) | 1034 | ||
| Elongation (%) | 15 | ||
| Reduction in Area (%) | 53 | ||
| Hardness (HB) | 335 | 25 | oil quenched, fine grained, tempered at 425°C |
In addition to strength and ductility, 1.1140 steel also exhibits good toughness. It can absorb impact and resist fracture, providing added safety and durability. This property is particularly important in applications where the material may be subjected to dynamic loads or harsh operating conditions.
The chemical composition of 1.1140 steel is carefully controlled to ensure optimal performance. It typically contains a specific amount of carbon, manganese, and other alloying elements that contribute to its mechanical properties and corrosion resistance.
Furthermore, 1.1140 steel is often heat-treated to enhance its properties. Heat treatment processes such as quenching and tempering can increase its hardness and strength while maintaining a certain level of toughness. This allows for tailored properties to meet the specific requirements of different applications.


The availability of 1.1140 steel in different forms, such as bars, sheets, and tubes, makes it convenient for a wide range of uses. It can be easily machined, welded, and fabricated, enabling efficient production and assembly.
In conclusion, 1.1140 steel is a versatile and high-performance material that offers a combination of strength, ductility, toughness, and corrosion resistance. Its wide range of applications and reliable performance make it an essential choice in many industries. Whether for structural support, mechanical components, or other demanding applications, 1.1140 steel continues to prove its worth.
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