Dizayn va ishlab chiqarish: GB/T12235, ASMEB16.34 Struktura uzunligi: GB/T12221, ASME B16.10 gardish hajmi: GB/T9113, JB/T79, ASME B16.5, SH3406, HG/T 205920, HG5920 va Sinov: GB / T13927, API598, GB / T 26480 Bosim harorati sinfi: GB / T12224, ASME B16.34.
Standartlar va spetsifikatsiyalar
Dizayn va ishlab chiqarish: GB/T12235, ASMEB16.34
Struktura uzunligi: GB/T12221, ASME B16.10
Gardish hajmi: GB/T9113, JB/T79, ASME B16.5, SH3406, HG/T 20592, HG/T20615
Tekshirish va sinov: GB/T13927, API598, GB/T 26480
Bosim harorati darajasi: GB / T12224, ASME B16.34
