... quanlity: the first grade Inspection:With hydraulic testing, eddy current and infrared test Product NameMaterialStandard Specification Application Alloy steel ... 1-200apply to oil, chemical, electric, boiler industry for high and low temperature, corrosion condition Stainless steel ... pressure, middle pressure boiler and locomotive boilerFluid pipe for transportation 10# 20# Q295ASTM A106A,B,CA53A,B16Mn ...