1.4301 ultimate tensile strength
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What is 1.4301 stainless steel?
1.4301 is the EN designation for AISI 304 stainless steel. AISI 304 is the most widely used austenitic stainless steel in the world. It combines strength, ductility, and corrosion resistance, making it suitable for almost all industries, from food processing equipment to chemical plants.1.4301 exhibits high ductility, allowing it to be drawn into pipes, sheets, and structural shapes without cracking.Its UTS makes it suitable for pressure vessels, structural components, and industrial piping, providing durability under moderate mechanical loads.
Why is the tensile strength of 304 stainless steel so crucial for buyers?
When sourcing 1.4301 stainless steel, tensile strength directly impacts: load-bearing capacity, long-term durability, safety performance, suitability for forming, machining, and welding, and pressure vessel or structural certifications. Buyers in the pressure equipment, machinery, transportation, and structural manufacturing industries rely on tensile strength to ensure material stability and compliance with ASTM, EN, or ASME standards.
Ultimate Tensile Strength of 1.4301
The ultimate tensile strength (UTS) is the maximum stress a material can withstand while being stretched or pulled before breaking. For 1.4301 stainless steel, the mechanical properties are typically:
| Property | Value (Typical) |
|---|---|
| Ultimate Tensile Strength | 520–750 MPa |
| Yield Strength | 205–310 MPa |
| Elongation at Break | 40–60% |
| Hardness (HRB) | 70–95 |
| Modulus of Elasticity | 193 GPa |
| Density | 8.0 g/cm³ |
| Melting Point | 1,400–1,450 °C |
What is the yield strength of 1.4301 stainless steel?
The yield strength (0.2% yield strength) of 1.4301 stainless steel is typically around 210 MPa (30 ksi), but this value may be slightly higher or lower depending on the product shape and specific manufacturing process. It is usually specified as a minimum, for example, ≥190 N/mm² or ≥210 MPa.
Is 1.4301 strong enough for pressure equipment?
Yes, 1.4301 (also known as AISI 304) is generally strong enough for many pressure equipment applications, such as tanks and pipelines, due to its good tensile strength, formability, and corrosion resistance. However, for applications involving high temperatures or welding large sections without post-weld heat treatment, a low-carbon grade like 1.4307 (AISI 304L) may be required for better resistance to intergranular corrosion.
Does cold working increase the tensile strength of 1.4301 stainless steel?
Yes. Cold-worked 1.4301 steel can have a tensile strength exceeding 700–750 MPa, making it ideal for manufacturing springs or fasteners.
GNEE provides all 1.4301 materials with EN 10204 3.1/3.2 certificates, ISO 9001, SGS, BV, and TÜV test reports, and can also provide complete quality assurance documents including mechanical properties, chemical composition, and ultrasonic testing, providing a safe and reliable supply chain guarantee for global buyers.
GNEE offers a full range of 1.4301 stainless steel products, including cold-rolled/hot-rolled stainless steel sheets, coils, strips, tubes, bars, and profiles. Various surface finishes such as 2B, BA, No.1, No.4, HL, and 8K can be provided upon request, and deep processing services such as laser cutting, slitting, leveling, and polishing are supported.
| Specification | 1.4301 Stainless Steel |
|---|---|
| Standard | EN 10088-2 / ASTM A240 |
| Forms Available | Sheets, plates, coils, bars, pipes |
| Thickness Range | 0.3–200 mm |
| Surface Finish | 2B, BA, No.1, No.4, Mirror, Hairline |
| Certifications | ISO 9001, SGS, BV, MTC |
| Chemical Composition (%) | C ≤0.08, Cr 18–20, Ni 8–10, Mn ≤2, Si ≤1 |
