... 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