SAE – AISI 1095 Carbon Steel (UNS G10950) – Composition, Properties and Uses
SAE/AISI 1095 is a high-carbon steel that offers good wear resistance and edge retention. It is often used for knives, swords, and other cutting tools. In this blog post, we will take a closer look at the properties of UNS G10950 and some of its common uses.
AISI 1095 Composition
| Element | Content (%) |
|---|---|
| Iron, Fe | 98.38 – 98.8 |
| Carbon, C | 0.90 – 1.03 |
| Sulfur, S | ≤ 0.050 |
| Phosphorous, P | ≤ 0.040 |
| Manganese, Mn | 0.30 – 0.50 |
AISI 1095 Physical Properties
| Properties | Metric | Imperial |
|---|---|---|
| Density | 7.85 g/cm3 | 0.284 lb/in³ |
| Melting point | 1515°C | 2760°F |
AISI 1095 Mechanical Properties
| Properties | Metric | Imperial |
|---|---|---|
| Tensile strength | 685 MPa | 99400 psi |
| Yield strength | 525 MPa | 76100 psi |
| Bulk modulus (typical for steel) | 140 GPa | 20300 ksi |
| Shear modulus (typical for steel) | 80.0 GPa | 11600 ksi |
| Elastic modulus | 190-210 GPa | 27557-30458 ksi |
| Poisson’s ratio | 0.27-0.30 | 0.27-0.30 |
| Elongation at break (in 50 mm) | 10% | 10% |
| Reduction of area | 40% | 40% |
| Hardness, Brinell | 197 | 197 |
| Hardness, Knoop (converted from Brinell hardness) | 219 | 219 |
| Hardness, Rockwell B (converted from Brinell hardness) | 92 | 92 |
| Hardness, Rockwell C (converted from Brinell hardness. Value below normal HRC range, for comparison purposes only) | 13 | 13 |
| Hardness, Vickers (converted from Brinell hardness) | 207 | 207 |
| Machinability (based on AISI 1212 steel. as 100 machinability) | 45 | 45 |
AISI 1095 Thermal Properties
| Thermal Properties | Metric | Imperial |
|---|---|---|
| Thermal expansion co-efficient (@ 0.000-100°C/32-212°F) | 11 µm/m°C | 6.11 µin/in°F |
| Thermal conductivity (typical steel) | 49.8 W/mK | 346 BTU in/hr.ft².°F |
AISI 1095 Equivalent
| AMS 5121 | ASTM A29 (1095) | ASTM A713 (1095) | MIL S-7947 | SAE J403 (1095) |
| AMS 5122 | ASTM A510 (1095) | ASTM A830 | MIL S-8559 | SAE J412 (1095) |
| AMS 5132 | ASTM A576 (1095) | DIN 1.1274 | QQ S700 (C1095) | AMS 5121C |
| AMS 7304 | ASTM A682 (1095) | MIL S-16788 (C10) | SAE J1397 (1095) | AMS 5122C |
| AMS 5132D |
AISI 1095 Uses
AISI 1095 is often used for knives, swords, and other cutting tools. It can also be used for springs and other applications where high wear resistance and strength are required.
AISI 1095 Properties
Grade 1095 Carbon Steel is a high-carbon steel with a carbon content of 0.95%. It is considered medium-carbon steel, as opposed to low-carbon steel, because of its higher carbon content. As a result of its high carbon content, SAE 1095 offers good wear resistance and edge retention.
Corrosion Resistance and Heat Resistance
However, it is important to note that alloy 1095 should not be used at temperatures above 700 degrees Fahrenheit, as it may lose some of its strength at high temperatures.
Welding
SAE / AISI 1095 can be welded using most standard welding techniques. However, it is important to preheat the metal before welding to avoid cracking.
Machining
In addition, SAE / AISI 1095 can be machined using most standard machining methods; however, it is important to use sharp cutting tools to avoid chipping.
Corrosion Resistance
SAE / AISI 1095 is a unique blend of carbon steel which offers remarkable corrosion resistance. It has a very low carbon content and an alloying element which makes it highly durable. What’s more, its mechanical properties, such as strength and wear resistance, make it ideal for applications that require wear parts to be post-processed or machined. In addition, this type of steel is also resistant to rusting and other corrosion at normal temperature levels as well as high temperatures. As a result, SAE / AISI 1095 is often preferred in industries where long-term performance and stringent quality requirements are paramount, such as the aerospace and automotive sectors.
Conclusion
SAE / AISI 1095 is a high-carbon steel that offers good wear resistance and edge retention. It is often used for knives, swords, and other cutting tools. In addition, SAE / AISI 1095 has good corrosion resistance and heat resistance. However, it is important to note that SAE / AISI 1095 should not be used at temperatures above 700 degrees Fahrenheit. If you are looking for high-quality steel for your next project, consider using SAE / AISI 1095!
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