1.4301 ultimate tensile strength

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.

 

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 (UTS) of 1.4301 Stainless Steel
The ultimate tensile strength (UTS) of 1.4301 stainless steel typically falls within:
Ultimate Tensile Strength (UTS): 520–720 MPa
Depending on condition:
Annealed (soft): ~520–650 MPa
Cold-worked: Up to 700–750 MPa
High-strength variants: 800+ MPa (special processing)
This strength range explains why 1.4301 is used for pressure-bearing components, structural parts, and mechanical assemblies requiring durability.

 

1.4301 (AISI 304) Mechanical Properties Data Sheet

Property	Typical Value
Ultimate Tensile Strength (UTS)	520–720 MPa
Yield Strength (Rp0.2)	210–310 MPa
Elongation (A50)	40–60%
Hardness (HBW)	160–200 HB
Modulus of Elasticity	193 GPa
Density	7.93 g/cm³
Melting Point	1400–1450°C
Magnetic Response	Non-magnetic in annealed state

 

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.

 

How does the strength of 1.4301 steel compare to that of 316 steel?

1.4301 (AISI 304) steel has comparable strength to 316 steel, but due to the addition of molybdenum, 316 steel typically has higher tensile and yield strengths, which also makes it more corrosion resistant. While 304 is a high-strength general-purpose steel, 316 steel is a better choice for applications with more stringent requirements, such as harsh environments, high salt content, or corrosive chemicals.

 

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.

All products are packaged to export standards with moisture-proof film, anti-collision corner protectors, reinforced steel straps, and fumigated wooden pallets/crates, suitable for long-distance transportation by sea, land, and air, ensuring the surface is free of scratches and deformation.