AISI4150 hot rolled alloy steel bar

hot rolled alloy steel Size:12mm to 300mm Grade:SS400,S20C,S35C,S45C,S55C,SAE5140,SAE4140,etc

hot rolled alloy round/square steel bar

 

1.Grade AISI4150 AISI4140 B16 S55B

2.Specificaiton 13-300mm

3.Chemical composition:

Grade	C	Si	Mn	P	S	Ni	Cr	Mo	Cu
AISI4140	0.38 0.41	0.15 0.35	0.85 1.00	Max0.015	Max0.040	Max0.25	0.80 1.10	0.15 0.25	Max0.35	Al(0.012    0.030)
AISI4150	0.48 0.53	0.15  0.35	0.75 1.00	Max0.035	Max0.040	Max0.25	0.80 1.10	0.15 0.25	Max0.35	V(0.012    0.030)
ASTM A193(2005) B16	0.36 0.47	0.15 0.35	0.45 0.70	Max0.035	Max0.040		0.80 1.15	0.50 0.65	V(0.25    0.35)	Al  Max   0.015
S55B	0.52 0.58	0.15 0.35	0.60 0.90	Max0.030	Max0.035	Max0.020	Max0.020		Max0.30	B(0.002    0.003)

4.Size Tolerance

Length tolerance  +100/-0mm   Side length tolerance +/-2mm    Straightness Max 6mm/m

5.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.

 

AISI4150 hot rolled alloy steel bar