① 304 stainless steel angle steel: good weldability and corrosion resistance, good cold working performance, low temperature strength, no heat treatment heat treatment phenomenon, etc.

② 304 stainless steel angle steel: increased cold working strength and hardness, no bumps

③ 316 stainless steel angle steel: corrosion resistance, strong atmospheric corrosion resistance, stable high temperature strength

④ 321 stainless steel angle steel: anti-crystal corrosion

⑤ 410 stainless steel angle steel: strong resistance to welding deformation, high temperature resistance

⑥ 430 stainless steel angle steel: strong corrosion resistance, good formability, excellent high temperature oxidation resistance

⑦ 420 stainless steel angle steel: high quenching hardness, poor