Make the standard:
GB/T25198、GB/T16508
Type:
Dome head, elliptical, torispherical head, flat head, conical heads,spherical head
Material:
Boiler and pressure vessel plates: Q245R, and Q345R, and Q370R, and Q420R,15CrMoR, 18MnMoNbr, 13MnNiMoR
Steel plate for low temperature pressure vessels: 16MnDR, 09MnNiDR,15MnNiDR, 15MnNiN6DR, and 08Ni3DR
Stainless steel for pressure equipment: 06Cr19Ni10, and 022Cr19Ni10, and06Cr17Ni12Mo2, and 022Cr17Ni12Mo2
Pipeline steel: WPHY42, WPHY52, WPHY60, WPHY65, WPHY70
Size: DN150-DN3000
Wall thickness: 4mm~120mm?