... required( SCH5S,10S,10,20,30,40S,STD,40,60,80S,XS,80,100,120,140,160,XXS,etc.)6.Length5.8m ... , chemical, paper, fertilizer, fabric, aviation and nuclear)b) Fluid, gas and oil transportc) Pressure and heat transmissiond) Construction and ornamente) Boiler heat exchangers9.PackageStandard ... ≤ P≤ S≤ Cr Ni N0.080 1.00 2.00 0.045 0.03 22.00~24.019~22 .00 schedule 80 20 ...