分类: 规格

Total 10 articles
grama · 2026-06-22 | Read 1068 | 评论 0

A practical ASME B16.5 guide covering the 2025 latest edition, NPS 1/2 through NPS 24 scope, flange classes, dimensions, materials, markings, testing and differences from ASME B16.42.

grama · 2026-06-15 | Read 1326 | 评论 0

Compare slip-on and weld neck flanges, understand Class 150 dimensions and PN16 pricing, and specify blind, threaded or custom flanges correctly.

grama - 2026-05-14 | Read 3031 | 评论 0

GB/T 226-2015 Test Method for Macrostructure and Defect of Steel by Etching Standard Information Standard Number: GB/T 226-2015 Replaces: GB/T 226-1991 Release Date: September 11, 2015 Implementation Date: June 1, 2016 Proposed by: China Iron and Steel Association Managed by: National Steel Standardization Technical Committee (SAC/TC 183) Scope This standard specifies three test methods for […]