• Model NO.：S20C S45C SCM440 , 1020 1045 4140
• MOQ：5tons
• Payment Term：Tt LC
• Transport Package：Standard Sea Worthy
• Specification：15x15-150X150mm
• Origin：China
• Production Capacity：3000tons,Month

Basic Info.

Model NO. S20C S45C SCM440 / 1020 1045 4140 MOQ 5tons Payment Term Tt LC Transport Package Standard Sea Worthy Specification 15x15-150X150mm Origin China Production Capacity 3000tons/Month

Product Description

S20C S45C SCM440 / 1020 1045 4140 Hot rolled steel square bars 
1.Products :SAE 1020 / SAE 1045 / SAE 4140 Hot Rolled Steel Square Bar
Grades:SAE 1020 1045 4140 S20C S45C SCM440
Delivery condition :Hot rolled, surface black.
Packing : by bundles.

2.SAE 1020 1045 4140 steel chemical composition

Grade	C	Si	Mn	P	S	Cr	Mo
1020	0.17-0.23	0.17-0.37	0.35-0.65	Max 0.030	Max 0.030	Max  0.25
1045	0.42-0.50	0.17-0.37	0.50-0.80	Max 0.030	Max 0.030	Max  0.25
4140	0.38-0.45	0.17-0.37	0.50-0.80	Max 0.030	Max 0.030	0.9-1.2	0.15-0.25

3.Delievery condition:
1.Both end of each bar must be cut.
2.Show Heat No. on each bar
3.Surface condition: The surface of the bar shall be free cracks, scar and wrinkles at affect the use of the billets. 
In case there is the above-mentioned defect.it shall be removed.
4.The mill test certificate shall show the chemical composition, and it is guaranteed that the chemical composition 

4.Steel square bar sizes we can offer
Sizes:15X15mm-150X150mm
Length:1-10m ,as required
5.Capacity of our factory:3000tons per month
6.MOQ:5tons
7.Delivery time : 7-30 days based on the sizes and quantity.
8.Payment term:TT or LC.

9.Applications of Square Bars
1): Can be used in many fields such as building, automobile, shipbuilding, petrochemical, machinery, medicine, food, electric power, energy, space, building and decoration, etc.
2): Can be made into mould template, mortise pin, column
3): This kind of steel have good mechanical property, is widely used in structural parts which may support stress alternation, especially made into some connecting rods, bolts, wheel gear...
4): This kind of steel is the most common blanks and materials of shaft parts.l