S20b S20ck Sae1020b Steel Round Bar, Packaging Type : black

We are offering s20b s20ck sae1020b steel round bar.
s20b 20b 20# s20c s20ck sae1020b aisi1020 050a20 steel round bar
1. Grade: s20b 20b 20# s20c s20ck sae1020b aisi1020 050a20
2.specification: 20-200mm
3. Supply condition: hot-rolled steel, annealed steel, bright steel
4. Processing: hot working
5. Chemical composition:
grade c si mn p s b
20# 0.17
0.23 0.17
0.37 0.35
0.65 max
0.035 max
0.035
20b 0.17
0.23 0.17
0.37 0.35
0.65 max
0.035 max
0.035 0.0005
0.0035
6. Technical condition:
both end of each bar must be cut.
Ladle furnanced and vacuum de-gassed
show heat no. On each bar
surface condition the surface of the hot rolled square bar shall befree cracks, scar and wrinkles that affect the use of the billets. In case there is the above-mentioned defect, it shall be remove.
The mill test certificate shall show the chemical composition, and it is guaranteed that the chemical composition shall be within the limit stipulated in the contract.
7.size tolerance:
length tolerance: +100mm/-0mm
side length tolerance: +/-2mm
straightness: max 6mm/m
we can supply steel round bar, square steel, the grade such as, ss400b, s20c, s45c, ck45, sae1020b, sae1045b, sae4140, sae4150, sae4340, sae8620, 42crmo4, 15b36cr, s50c, s65c. The diameter is from 20mm to 300mm. It is hot rolled and black surface. If you need, you can contact with me.