AISI 431 / AISI 316 / AISI 304
Equivalent grades: 1.4057, X17CrNi16-2 / 1.4401, X5CrNiMo17-12-2 / 1.4301, X5CrNi18-10
Tolerance: ISO f7
Roughness: Ra max. 0,3μm. Rt 2,5μm max.
Straightness: max. 0.3/1000mm
Roundness: within ½ of ISO tolerance.
Chrome layer thickness:
- Ø < 20 = min. 15µm
- Ø ≥ 20 = min. 20µm
Surface hardness: min. 900 HV0.1 (66 HRC)
Corrosion resistance: min. 500 / 1200 hours in Neutral Salt Spray testing according to ISO 9227 standard or its equivalents, combined with evaluation according to ISO 10289. Rating ≥ 9.
Fields of application:
stainless steel chrome-plated bars are characterized by very good corrosion resistance in general atmospheric corrosive environments, good resistance to marine and industrial atmospheres, resistant to many organic materials, nitric acid and petroleum products coupled with high tensile and high yield strength.
Technical information. Standards and materials. Access.