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SAE1020S20C S20CK square steel bar
1.quality:SAE1020B 20# SAE1020 AISI1020 S20C S20CK2.Size:12-180mm
3.MOQ:20mt
4.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 |
5.Size Tolerance:
Length tolerance: +100mm/-0mm
Side length tolerance: +/-2mm
Straightness: max 6mm/m
6.Quality Contation
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.