The difference between 304 and 30403
304 implementation of standards for: GB/T4237-2007,
The equivalent of 304 l, 30403 executive standard: GB/T24511-2009,
30403 (00 cr19ni10 cr18ni10 (0))
304 (0 cr18ni9 (06 cr19ni10))
The carbon content is low, generally recommended for pressure vessels.
Stainless steel pressure vessel standards. Number: GB 24511-2009
The standard name: pressure equipment with stainless steel plate and steel strip
Standard: current
English title: Stainless steel plate, sheet, and strip for pressure equipment
The implementation date: 2010-6-1
The department issued by: state administration of quality supervision, inspection, and quarantine of the People’s Republic of China national standardization management committee of China.
Content abstract: this standard specifies the classification of the pressure equipment with stainless steel plates and steel belt and code, size, shape and allowable deviation, technical requirements, test methods, inspection rules, packaging, logo, and the product quality certificate, etc.
This standard applies to the width not less than 600 mm of the pressure equipment with hot rolled, cold rolled stainless steel sheets and steel strips (including cutting steel plate).