grama · 2026-06-15 | Read 2643 | Comentarios 0

GB/T 13305-2008 — Micrographic Method for Determining Area Content of the α-Phases in Stainless Steels Standard Number: GB/T 13305-2008 ICS: 77.040.99 Issued: August 19, 2008 Effective: April 1, 2009 Issuing Authority: Standardization Administration of the People’s Republic of China Replaces: GB/T 13305-1991 and GB/T 6401-1986 Preface This standard replaces GB/T 6401-1986 and GB/T 13305-1991. The […]

grama · 2026-05-14 | Read 2830 | Comentarios 0

GB/T 1954-2008 — Methods of Measurement for Ferrite Content in Austenitic Cr-Ni Stainless Steel Weld Metals Standard Number: GB/T 1954-2008 Replaces: GB/T 1954-1980 Published: 2008-06-26  |  Effective: 2009-01-01 Modified adoption of: ISO 8249:2000 (MOD) ICS: 25.160.20  |  Classification: J33 Issuing Body: Standardization Administration of the People’s Republic of China 📄 Original Standard PDF (Chinese) Download […]