aisi 1020 hot rolled steel

aisi 1020 hot rolled steel 1. Diameter:12mm to 300mm 2. Grade:SS400,Q235,SAE1045,S45C,45#,41Cr4,SAE5140, SCM440,42CrMo4

aisi 1020 hot rolled steel

1. Grade: S20B 20B 20# S20C S20Ck SAE1020B AISI1020 050A20 1.0402 1.1151 C22 Ck22

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
SAE1020	0.18 0.23	0.15 0.35	0.30 0.60	Max 0.030	Max 0.050
C22	0.17 0.24	Msx 0.40	0.40 0.70	Max 0.035	Max 0.035

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

aisi 1020 hot rolled steel