1.4306 Stainless Steel Plate & Coil: Austenitic Ultra-Low Carbon Welding-Friendly Plate/Coil

What is 1.4306 Stainless Steel Plate & Coil?

W.Nr. 1.4306 is the ultra-low carbon variant of 1.4301 (corresponding to SUS304L), optimized for anti-intergranular corrosion. It solves the post-weld corrosion problem of 1.4301, making it the preferred choice for welding-intensive plate/coil structures in medium-corrosion environments.

W.Nr.: 1.4306|UNS: S30403|JIS: SUS304L|GB: 022Cr19Ni10|EN: X2CrNi18-10

C: <=0.03|Si: <=1.00|Mn: <=2.00|P: <=0.045|S: <=0.030|Cr: 18.00-20.00|Ni: 8.00-12.00|N: <=0.10|Fe: Balance

Key Properties (20℃, Annealed, Horizontal)

Density: 7.93g/cm³|Melting Point: 1400-1450℃|Tensile Strength: 485-650N/mm²|Yield Strength: >=170N/mm²|Elongation: >=40%|Hardness: <=201HB

• Ultra-low carbon advantage: Eliminates post-weld intergranular corrosion, no need for post-weld annealing, greatly improving processing efficiency of welded plate/coil structures • Consistent general corrosion resistance: Matches 1.4301 in non-severe corrosive media, adapting to medium-corrosion working conditions • Excellent low-temperature toughness: Stable service at -196℃ without brittle fracture, suitable for low-temperature plate/coil applications • Welding-friendly: Ideal for heat exchanger plates, large-scale pipeline structures, chemical equipment and other welding-intensive components

1.4306 vs 1.4301 Stainless Steel Plate & Coil (Horizontal)

Carbon Content: 1.4306 (<=0.03%)|1.4301 (<=0.08%)|Tensile Strength: 1.4306 (485-650N/mm²)|1.4301 (515-690N/mm²)|Post-weld Annealing: 1.4306 (Not needed)|1.4301 (Optional)|Weld Adaptability: 1.4306 (Excellent)|1.4301 (General)

 

If you have project requirements for stainless steel, we welcome your order. GNEE has a large inventory of popular products for you to choose from. It can be processed into various practical product forms, including plates, coils, tubes, bars, wires, etc. For detailed chemical composition information and free samples, please contact our factory immediately. We offer competitive prices and excellent service.Email: info@gneestainless.com

 

Testing and Documentation: Factory test certificate, EN 10204 3.1, chemical report, mechanical report, destructive testing report, non-destructive testing report, PMI test report, visual inspection report, third-party inspection report, NABL certified laboratory report.
Packaging: Wooden crate packaging, bubble wrap packaging, steel strapping, or packaging according to customer requirements.