Rail pressure rail pressure rail manufacturers

Welded rail pressure and composition effect: pressure welded rail track is mainly used for steel beams fixed plant, base, cover, wear Shaw, bolt, spring flat washers, pressure welded rail track suitable models: TG24 TG38 TG43 TG50 QU70 QU80 QU100 QU120 materials and manufacturing welding voltage rail fasteners do criteria: (1) cover, base plate, adjusting plate for ZG270-500. Material compliance of 5676-85. Using lost wax casting. II Class amount, in line with the size of the deviation of the specified accuracy level JZ67-2II. (2) bolts, nuts Q235BF steel machining parts, mechanical properties and chemical composition requirements of GB700-88, surface accuracy 12.5 bolts, nuts, GB6170-86 of compliance. (3) flat washer for Q235AF steel production requirements of compliance GB97.1-85 (4) spring washers or 60si2Mn for 65Mn steel, material compliance 1222-84, the production requirements of compliance GB93-87.