megafil® 741 baws 5.29: e90t5-k2m h4iso 18276: t 55 6 mn1nimo b m 3 h5welding postttions:features• basic slag system• low hydrogen weld deposit• ideal for use of short arc and spray arc• excellent low temperature impacts• low spatter loss• easy slag removalbenefits• minimizes risk of hydrogen-induced cracking• no re-drying• provides increased toughnessunalloyed structural steels rel < 550 mpa s355 - s550, a 106, a 600 boiler steels rel < 550 mpa p355gh - p550gh up to a516; a537; a600 pipe steels rel < 550 mpa p355t1/t2 - p550nl2; l210 - l550mb up to a 572 fine grain structural steels rel < 550 mpa s355 - s550ql1 up to a 572 steels to api-standard rel < 550 mpa x42 - x80 high grade structural steels rel < 550 mpa 15nicun55, 20mnmoni 4-5, 11nimov53, 17mnmov6-4 carbon (c) 0.05 nickel (ni) 1.0 manganese (mn) 1.4 molybdenum (mo) < 0.35 silicon (si) 0.4 chromium (cr) - sulphur (s) 0.015 phosphorus (p) 0.015 rp0.2 mpa (ksi) rm mpa (ksi) a5 % charpy v notch [j] (ft-lbf) -40° c (-40° f) -60° c (-76° f) aw and sr > 550 (80) 640 - 820 (93 - 119) 18 60 (44) 47 (35)aw: as welded sr: stress relief annealed 600° c (1112° f) / 60 min*measurement technique is the carrier gas method according to aws and isowire type gas shielded basic flux-cored wireshielding gas 75-95% argon (ar)/balance carbon dioxide (co2); 100% carbon dioxide (co2); gas flow see annextype of current direct current electrode positive (dcep)standard diameters Ø 1.2 mm (0.045”)typical diffusible hydrogen* < 3.0 ml / 100 g; guaranteed for the total processing time < 4.0 ml / 100 g maximum (aws spec)re-drying not required due to seamless wire designstorage the same conditions as for solid wire. product should be stored in a dry, enclosed environment,in its orginal undamaged packaging.materials to be weldedapplications• automatic and mechanized welding• steel structures• heavy fabrication• non-alloy and fine grain steels• vessels• general fabrication• single and multi-pass welding• earthmoving equipment品牌：德国斯坦因stein stein,megafil 731 b,e70t-5c-j