Februari 24, 2017
DARIPADA 17172 STE210.7 STE240.7,STE290.7 tiub keluli lancar/paip keluli biasanya tidak dirawat, selepas operasi membentuk panas dengan menggulung, menekan atau melukis, on condition that said hot forming operation achieves an irreproachable structure condition with adequate uniformity without any further treatment.STE210.7 STE240.7,STE290.7 seamless steel tubes produced by cold rolled or cold [...]