the national standard model of p>34 stainless steel is Cr18Ni9, which contains more than 18% chromium and more than 8% nickel. With different physical properties, the tensile strength σ b (MPa) of 22 stainless steel is ≥ 52, and the conditional yield strength σ .2 (MPa) is ≥ 275. The tensile strength σ b (MPa) of 34 stainless steel is ≥ 515-135, and the conditional yield strength σ .2 (MPa) is ≥ 25.
There are differences in application scope: 22 stainless steel is widely used in architectural decoration, municipal engineering, highway guardrail, hotel facilities, shopping malls, glass handrails, public facilities and other places.
34 stainless steel is suitable for food processing, storage and transportation, as well as plate heat exchangers, corrugated pipes, household goods, auto parts, medical appliances and so on.