ASTM A192, ASME SA210 seamless carbon steel boiler tubeChemical properties and mechanical properties Grade and Chemical Composition (％)GradeC≤Mn≤P≤S≤Si≤Cr≤Cu≤Mo≤Ni≤V≤ASTM A1920.06~0.180.27-0.630.0350.0350.25-----ASME SA210 A-10.270.930.0350.0350.10-----ASME SA210 C0.350.29~1.060.0350.0350.10-----Mechanical Properties：GradeTensile Strength, min Ksi (Mpa)Yield Strength,min Ksi (Mpa)Elongation Min (%)ASTM A19246(325)26(180)35ASME SA210 A-160(415)37(255)30ASM SA210 C70(485)40(275)30Material Comparison Tables( ASTM, KS, JIS, DIN, BS, NBN, NF, UNI )ASTM A192, ASME SA210 seamless carbon steel boiler tube specificationThe tubing sizes and thickness usually furnished to this specification are 1/2 in. to 7 in. [12.7 to 177.8 mm] outside diameter and 0.085 to 1.00 in. [2.2 to 25.4 mm], inclusive, in minimum wall thickness. Tubing having other dimensions may be furnished, provided such tubes comply with all other requirements of this specification. Outer diameter range: 12.7mm~177.8mm Thickness range: 2.2mm~25.4mm Length range: 3m, 5.8m, 6m, 10m, 11.8m, 12m, 14m or as per customers’ requestHeat treatmentASTM A192 Hot rolled seamless carbon boiler tube doesn’t need heat treatment. If pipes are cold drawn, 1200℉(650℃) or higher temp heat treatment should be done after final cold drawn process.ASME SA210 Hot rolled seamless carbon boiler tube doesn’t need heat treatment. Cold drawn seamless carbon steel tube should be annealing or normalizing.Mark on pipes Standard, steel grade, OD, thickness, weight, mill name, heat number will be marked on seamless carbon steel boiler tubes.PackingCoating type: bare, varnish painting(anti-rusted painting), hot dipped galvanized, 3LPE, 3PP End protect: plastic ends cap, end protector. Packing: Bundled or each piece with knitted plastic bag, wooden cases or Ply-wooden Case /Iron Case/ Bundle or as per customers' requirement.  Applicationhigh pressure boiler seamless steel pipe covers minimum-wall-thickness, tubing sizes, boiler flues including safe ends, arch and stay tubes.