• Model NO.：SAE 1020 , SAE 1045 , SAE 4140 Hot Rolled Steel Sq
• MOQ：5tons
• Payment Term：Tt LC
• Carbon Steel Grade-Low Carbon：SAE 1020,S20c,Ss400,A36
• Carbon Steel Grade-Middle Carbon：SAE 1045,S45c,C45,En8
• Alloy Steel：4140,Scm440,40cr
• Commodity：Hot Rolled Steel Square Bar
• Surface：Black
• Types：Steel Square Bar, Steel Flat Bar
• R Corner：as Per Customer′s Need
• Mark：Heat No. Size,Quantity,Weight,Origin ,and So on
• Transport Package：Standard Sea Worthy
• Specification：15x15-150X150mm
• Origin：China
• Production Capacity：3000tons,Month

Basic Info.

Model NO. SAE 1020 / SAE 1045 / SAE 4140 Hot Rolled Steel Sq MOQ 5tons Payment Term Tt LC Carbon Steel Grade-Low Carbon SAE 1020/S20c/Ss400/A36 Carbon Steel Grade-Middle Carbon SAE 1045/S45c/C45/En8 Alloy Steel 4140,Scm440,40cr Commodity Hot Rolled Steel Square Bar Surface Black Types Steel Square Bar, Steel Flat Bar R Corner as Per Customer′s Need Mark Heat No. Size,Quantity,Weight,Origin ,and So on Transport Package Standard Sea Worthy Specification 15x15-150X150mm Origin China Production Capacity 3000tons/Month

Product Description

SAE 1020 / SAE 1045 / SAE 4140 Hot Rolled Steel Square Bar
1.Products :SAE 1020 / SAE 1045 / SAE 4140 Hot Rolled Steel Square Bar
Grades:SAE 1020 1045 4140 
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.

10.Our main grades:

AISI	A36,1006,1008,1010,1020,1040,1045,1055,1060;
JIS	SS400 S20C S35C S40C S45C S48C S55C S60C
DIN	S235JR,S235JRG2,CK10,C15(1.0503),CK45(1.1191),Cm(1.1201),CK55(1.1181), Cm55(1.1209)
BS	050A20,060A20,060A40,080A40,080M40,EN8,070M55,EN9,070M20
GB	Q235A,Q235B,10#,20#35#40#45#55#60#,20Mn
AISI	4140,4340,8620,ASTM E52100,AISI52100,SAE52100
JIS	SCM440,(SCM4),SUP9,SUP9A,SUJ2
DIN	25CrMo4,42CrMo4,(1.7225),55Cr3(1.7176),100Cr6,(1.3505),ST52-3
BS	708M40,708A42,709M40,EN19,817M40,816M40,EN24
GB	20Cr,40Cr,20CrMo,42CrMo,40CrNiMoA,60Si2MnA,50CrMn,60CrMn,GCr15

We company have good QC inspection tear and full set of inspect equipment including: UT test machine, Tensile testing machine, Hardness testing machine, Dimensional measuring instrument, f, spectrometer, Metallographic microscope and so on, so that we can always supply good mateterials for various projects and industries, if you have any need for our producrs, please contact us freely.