304 Stainless Steel Pipe: Grade Properties & Applications
Review 304 (EN 1.4301 / UNS S30400) stainless steel pipe as a material grade, including its properties, applications, and selection factors. For pipe ordered specifically to ASTM A312, see the ASTM A312 TP304 product page; for other grades, browse stainless steel material grades.
- ASTM A312 Certified
- ISO 9001 Compliant
- 100% PMI Tested
- Global Shipping
Why Choose Our 304 Stainless Steel Pipe?
Superior Corrosion Resistance
High chromium and nickel content ensures durability in harsh environments, from food processing to chemical plants.
Dual Grade 304/304L
Combines the strength of 304 with the superior weldability of low-carbon 304L for maximum versatility.
ASTM A312 Compliance
Manufactured to meet rigorous international quality standards for seamless and welded austenitic stainless steel pipe.
Technical Specifications
- Material Grade
- Standard
- Type
- Outer Diameter (OD)
- Wall Thickness
- Length
- Surface Finish
- End Connection
- TP304, TP304L, Dual Grade 304/304L
- ASTM A312, ASME SA312, EN 10216-5
- Seamless / ERW Welded / EFW Welded
- 1/8" to 50" (NPS)
- SCH 5S, 10S, 40S, 80S, 160, XXS
- Single Random, Double Random, Cut Length (Up to 12m)
- Annealed & Pickled, Polished (180#, 240#, 320#, 400#), Mirror Finish
- Plain End, Beveled End, Threaded
- Tensile Strength
- Yield Strength
- Elongation
- Hardness
- Density
- Melting Point
- Thermal Conductivity
- Max Operating Temp
- ≥ 515 MPa (75 ksi)
- ≥ 205 MPa (30 ksi)
- ≥ 35%
- ≤ 90 HRB
- 7.93 g/cm³ (0.286 lb/in³)
- 1400–1450 °C
- 16.3 W/m·K @ 100°C
- 870 °C
Quality Assurance & Certifications
Our Commitment to Excellence
- 100% PMI (Positive Material Identification) Testing
- Ultrasonic Inspection for Seamless Pipes
- Hydrostatic Pressure Testing
- Chemical Composition Analysis
- Mechanical Property Verification
- Surface Finish Inspection
Certifications & Standards
ASTM A312
Seamless and Welded Austenitic Stainless Steel Pipe
ASME SA312
American Society of Mechanical Engineers
ISO 9001:2015
Quality Management System
EN 10216-5
European Standard for Seamless Steel Tubes
Food-contact review
Verify the material, finish and intended conditions of use against the applicable food-contact requirements; no blanket FDA compliance claim is implied.
CE Mark
European Conformity
Industrial Applications
Food & Beverage
Stainless steel piping for dairies, breweries and food-processing plants. Grade, surface finish and cleaning requirements should be selected for the intended service; food-contact suitability requires project-specific verification.
Chemical & Petrochemical
Stainless steel pipe for selected chemical and petrochemical duties. Corrosion resistance depends on the chemical, concentration, temperature and operating conditions; confirm material suitability before ordering.
Water Treatment
Desalination plants and municipal water supply systems. Maintains water purity and withstands high-pressure filtration.
Pharmaceutical
High-purity piping for cleanroom environments. Meets stringent hygiene standards and USP/EP requirements.
Oil & Gas
Offshore and onshore applications. Withstands extreme temperatures, pressures, and corrosive saltwater environments.
Construction & Decoration
Structural supports and architectural elements. Combines strength with aesthetic appeal for modern buildings.