Boiler tubes

Boiler tubes Boiler & Heat-exchanger tubes Product Description: Tube for boilers, heat exchangers, super heaters, condensers, and catalytic tubes, refining furnaces etc. Standards: ASTM/ ASME A213/SA213, A269/SA269, A312/SA312; DIN 17456, DIN17458 Steel Grade: TP 304/304L, 316/316L, 316Ti, 321/321H, 309S, 310S, 347/347H Outside diameter range from 3.18mm to 60.3mm. Wall thickness range from 0.3mm to 2.11mm. Marking: JW, material grade, standard, specification, heat no. Length: unbending length or fix length Package: knitting strip bundle, wooden box or steel box Mill test certificate: according to EN 10204 3.1B Value added service: Third party inspection Bright annealed, polished outside and inside surface Chemical composition Grade Chemical Composition C max Si max Mn max P max S max Ni Cr Mo Others TP 304 0.08 0.75 2 0.04 0.03 8 - 11 18 - 20 TP 304H 0.04 -0.10 0.75 2 0.04 0.03 8 - 11 18 - 20 TP 304L 0.035 0.75 2 0.04 0.03 8 - 13 18 20 TP 316 0.08 0.75 2 0.04 0.03 11 - 14 16 18 2 3 TP 316L 0.035 0.75 2 0.04 0.03 10 - 15 16 - 18 2 - 3 TP 316Ti 0.08 0.75 2 0.04 0.03 11 - 14 16 - 18 2 - 3 Ti: 5×C% TP 321 0.08 0.75 2 0.04 0.03 9 - 13 17 - 20 Ti: 5×C% TP 347 0.08 0.75 2 0.04 0.03 9 - 13 17 - 20 Nb+Ta: 10×C% - 1.0 TP 347H 0.04 0.10 0.75 2 0.04 0.03 9 - 13 17 - 20 Nb+Ta: 8×C% - 1.0 TP 310 0.15 0.75 2 0.04 0.03 19 - 22 24 -26 ASTM Mecheanical Properties Grade Tensile Strength Yeild Point Rockwell Min (Mpa) Min (Mpa) TP 304 515 205 90 TP 304L 485 170 90 TP 316 515 205 90 TP 316L 485 170 90 TP 321 515 205 90 TP 310 515 205 90 TP 347 515 205 90