... 38mm-325mm W.T.:2mm-45mm Seamless ferritic alloy-steel pipe for high-temperature service Chemical properties (%)MaterialCSiMnPSMoCr ... 500,30 - 0,800,0250,0250,44-0,65 A 335 Grade P5max. 0,15max. 0,500,30 - ... 0,600,0250,0250,44-0,651,00-1,50 A 335 Grade P120,05 - 0,15max. 0,500 ... Mechanical propertiesMaterialTensile N/mm2Strength Min. N/mm2Yield % min.A 335 Grade P1min. 38020530A 335 Grade P5min. 41520530A ...