Студено изтеглена безшевна правоъгълна стоманена тръба с голям диаметър за машини за кранове, корабостроене, селскостопански машини и др.

10*10*1.5mm  -  460*460*30mm  or according to the customer’s requirements  (at the moment we are already have more 400pcs mold , each year will increase more than 10 pcs mold.

Въглеродна стомана     
20#, Q355 (including A-F series), Q390,Q420, Q460, Q500, Q550, Q620, Q690, BJ780, BJ890, YG960, 20Mn2, 35#, 45#, 40Cr, 12CrMo, 15CrMo, 20CrMo,30CrMo, 35CrMo, 42CrMo and other materials

DIN, ASTM, GB, JIS, En, AISI, BS
Manufacturing process: high-quality seamless pipe’s empty drawing and core lining drawing are adopted

Annealing, normalizing and tempering

Flexible processing, non-standard specifications can be opened for mold production, and can be customized in small quantities; The low alloy series has the characteristics of high strength, high toughness, easy welding, low temperature resistance and fatigue resistance; The comprehensive performance and service life are higher than those of welded pipe.

Passenger car frame, vehicle axle, rail locomotive, crane boom, mixer subframe, oil derrick, marine engineering ship, nuclear power, wind power, agricultural machinery, textile machinery, locomotive, bridge and sustainable construction industry.