GB/T 42793-2024 Chinese PDF (GB/T42793-2024) GB/T 41232.6-2024 3-2024_Chinese: Welded austenitic-ferritic(duplex) stainless steel

3-2024_Chinese: Welded austenitic-ferritic(duplex) stainless steel tubes and pipes - Part 3: Pipes for oil and gas transmission (Chinese: 奥氏体-铁素体型双相不锈钢焊接钢管 第3部分：油气输送用管)

21-2024_Chinese: Requirements of greenhouse gas emissions accounting and reporting - Part 21: Foundry enterprise (Chinese: 温室气体排放核算与报告要求 第21部分：铸造企业)

12-2023_Chinese: Methods for chemical analysis of limestone and dolornite - Part 12: Determination of potassium oxide and sodium oxide contents - Flame atomic absorption spectrometry method (Chinese: 石灰石及白云石化学分析方法 第12部分：氧化钾和氧化钠含量的测定 火焰原子吸收光谱法)

English versions: GB/T 45551-2025

fittings and flanges for pipeline transportation systems - Part 2: Fittings (Chinese: 石油天然气工业 管道输送系统用弯管、管件和法兰 第2部分：管件)

GB/T 42793-2024 Chinese PDF (GB/T42793-2024) GB/T 41232.6-2024 3-2024_Chinese: Welded austenitic-ferritic(duplex) stainless steelGB T 42793 2024_Chinese: General technical specification of aluminium alloy plates and sheets for aviation products (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 42793 2024