應(yīng)用規(guī)范

1. 設(shè)計(jì)標(biāo)準(zhǔn)：API 6D, GB/T 12237, GB/T 19672

2. 結(jié)構(gòu)長(zhǎng)度：API 6D, ASME B 16.10, GB/T 12221

3. 連接尺寸：ASME B 16.5, ASME B16.47, GB/T 9113, HG20592

4. 試驗(yàn)和檢驗(yàn)：API 598, API 6D, JB/T 9092, GB/T 19672, GB/T 26480