Mannesmann pipe is used at high pressures, in most critical areas and in the most severe working conditions.Manismann pipe is offered according to ASTM A 53, A 106, A 333, A 312, A 358, etc. and API 5 L pipe.Mannesmann API 5L pipe in upstream and downstream oil and gas industries, which according to NACE standard, its PSL2 type in sour gas conditions and its PSL1 type are commonly used in other uses in the oil and gas industry.The A106 pipe is used in high temperature conditions in a large part of industry, especially in the oil, gas, petrochemical and power industries.304 stainless steel pipe and 304L pipe are used to transfer fluid with low corrosion and temperature inside the process equipment. 316 stainless steel pipe and 316L pipe are used for transfer of corrosive fluids and alloy pipes for corrosion and very high temperature conditions.Also, the most used pipes required in industry and construction can be called iron pipe or ST37 pipe, which in its market term is called ST37 water test pipe and ST37 gas test pipe (which has less corrosion).