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Q345B Steel Round Bar for sales
Q345B Steel Round Bar is mainly used for manufacture of cold-work dies, punches, cold cutting scissors, drill bushes, gauges, wire-drawing dies, coining dies, draw bench boards, drawing dies, thread rolling dies, etc. with high abrasive resistance and small shock load.
Q345B Steel Round Bar Details:
Grade: Q234B/ Q345A/Q345B/Q345C/Q345D/S355JR/S355JO/201/304/316/904L
1.Dia:10-310mm
2.Length:4-12m(canbe customerized)
3.Surface: black,polished
Q345B Steel Round Bar Chemical Composition (%):
C |
Mn |
Si |
P |
S |
V |
Nb |
Ti |
≤0.20 |
1.00-1.60 |
≤0.55 |
≤0.040 |
≤0.040 |
0.02-0.15 |
0.015-0.060 |
0.02-0.20 |
Q345B Steel Round Bar Mechanical Properties:
Thickness/diameter(mm) |
Tensile strength |
Yield strength |
≤16 |
470MPa-630MPa |
≥345MPa |
>16-≤35 |
≥325MPa |
|
>35-≤50 |
≥295MPa |
|
>50-≤100 |
≥275MPa |
Q345B Steel Round Bar Applications:
Q345B Steel Round Bar is mainly used for manufacture of cold-work dies, punches, cold cutting scissors, drill bushes, gauges, wire-drawing dies, coining dies, draw bench boards, drawing dies, thread rolling dies, etc. with high abrasive resistance and small shock load. It is used for processing of cutters made of materials which are not hard. It is used for plastic moulds with high abrasive resistance and long service life.
Bebon as a Q345B Steel Round Bar supplier in china, we have the absolute price advantage and technological advantages. We sincerely hope that regular trade relations will be established between us. And any steel you need, please contact us. we shall do our best to reply you ASAP.