... *1-200apply to oil, chemical, electric, boiler industry for high and low temperature, corrosion condition Stainless ... temperature pressure vessel and heat exchangerHigh pressure boiler tube20GASTM SA106B/CASTM SA210A/CST45.8-III ... structure low pressure, middle pressure boiler and locomotive boilerFluid pipe for transportation 10# 20# Q295ASTM A106A ... Size Seamless Steel Pipes For Boiler ASTM A335P12