Shandong Laiduan Machinery Co.,ltd
Add：ZHAILI, LAIWU CITY-SHANDONG PROVINCE – CHINA
Implement standard and corresponding material
1. $literal (structure with ductile iron pipe galvanized steel pipe theoretical weight). Mainly used in general structure and mechanical structure. It represents the material (brand): Carbon steel, 20, 45th, steels, Alloy steel Q345, 20C galvanized steel pipe Price R, 20CrMo, 30-35cro, 42CrMo and so on.
2. Mainly used in engineering and large-scale equipment to transport fluid pipelines. representative of ceramic composite steel pipe material (grades) of 20, Q345 and so on.
3. Gb3087 (Ductile iron pipe for medium pressure boilers in low Wuxi ductile iron pipe). Mainly used in industrial boilers and living boilers to transport low pressure fluid piping. The representative material is 10, 20th steel.
4. STD (Ductile Iron Pipe for high-pressure boilers). Mainly used in power station and Tianjin ductile Iron tube nuclear power plant boiler high temperature, high-pressure conveying fluid container and pipeline. Representative material for 20G, 12 R1MOVG, 15CrMoG steel pipe scaffold.
5. Gb5312-1999 (carbon Steel for ships and ductile iron pipes for carbon manganese steel). China Ductile Iron Pipe network is mainly used in ship boilers and superheater I, ii pressure-resistant pipe and so on. Representative material is 360, 410, 460 steel grade and so on.
6. Gb1479-2000 (Ductile iron pipe for high pressure fertilizer equipment). Mainly used for fertilizer equipment on the transportation of Tianjin Steel pipe group to send high-temperature high-pressure fluid pipeline. Representative materials for 20, 16Mn, 12CrMo, 12 r2mo and so on.
7. Gb9948 (Ductile iron Pipe for petroleum cracking). It is mainly used in oil smelting plant boiler, heat exchange scaffold steel pipe price and its conveying fluid pipeline. Its representative material is 20, 12CrMo, 1cremo, 1cr19ni11nb and so on.
8. Gb18248 (Ductile iron pipe for gas cylinders). Mainly used in the production of various gas welding pipe, hydraulic cylinders. Its representative material is 37Mn, 34mn2v, 35CrMo and so on.