Equivalent Materials

Materials comparable to JIS G3101 Grade SS330 include ASTM A283 Grade C (carbon steel plate for general structural applications) and DIN 1.0035/S185 (employed in general engineering structures). These alternatives exhibit comparable yield strength, tensile strength, and elongation percentages.

Characteristics

  • Corrosion resistance: medium, suitable for applications with atmospheric exposure
  • Weldability: excellent; preheating generally not required
  • Heat treatment options: annealing, normalizing, and tempering to improve strength and hardness
  • Common automotive applications: frames, wheels, and structural components requiring high strength and formability

SS330 finds extensive application in construction, machinery, and equipment parts. Key advantages include high corrosion and wear resistance combined with affordability. The material is susceptible to rust when exposed to certain environmental conditions, requiring regular maintenance.

Mechanical Properties

Symbol of GradeYield Point (N/mm2)Tensile Strength (N/mm2)Elongation (%)Bending AngleInner Radius
SS330>=205 (<=16mm) / >=195 (>16-<=40mm) / >=175 (>40-<=100mm) / >=165 (>100mm)330 to 430>=26 (<=5mm thickness) / >=21 (>5-<=16mm) / >=26 (>16-<=50mm) / >=28 (>40mm)180 deg0.5 x thickness
Mechanical properties of SS330 per JIS G3101

Chemical Composition

Symbol of GradeCMnPS
SS330--<=0.050<=0.050
Chemical composition of SS330 (wt%)
NOTE
Elements without limit values may be added as necessary per JIS G3101.