... standards of production.Size range:Seamlessly from DN15 to DN600 1 / 2 "~ 24" Pressure rating SCH5S ~ SCH160SThere seam from DN15 ... s request to map production)Material:According to ASTM, JIS, DIN, GB and other standardsASTM: 304,304 L, 316,316 ... SUS316L, SUS316Ti, SUS317L, SUS321, SUS321H, etc.DIN: 1.4301,1.4306,1.4401,1.4435,1.4571,1.4436,1.4438,1.4541, etc.GB: 0Cr18N9, 00Cr19Ni10, 0Cr17Ni12Mo2, ...