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Alloy Round Carbon Steel Bar SAE 1045 1020 Hot Rolled

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Alloy Round Carbon Steel Bar SAE 1045 1020 Hot Rolled

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Alloy Round Carbon Steel Bar SAE 1045 1020 Hot Rolled

1: 4130 steel introduction
AISI 4130 alloy steel is a medium carbon, low alloy steel in ASTM A29 standard. ASTM 4140 steel is also commonly referred to as a chromoly steel, or chrome moly steel, containing nominally 0.28-0.33% Carbon, 0.8-1.1% Chromium and 0.15-0.25% Molybdenum. It is similar to 4140 steel which has a higher carbon level (0.28-0.33%), giving 4130 material improved weldability, at the expense of through thickness strength. With the proper heat treatment it is also readily machined. Annealing ASTM 4130 alloy steel offers excellent ductility. AISI 4130 steel is usually supplied as round bar commonly in the hardened and tempered condition.

2: 4130 Steel equivalent

Country	British	USA	Japan	BS
Standard	BS 970	ASTM A29	JIS G4105	EN10083
Grade	708A25/708M25	4130	SCM430	25CrMo4/1.7218

3: 4130 steel chemical composition

Grade	C	Si	Mn	P	S	Cr	Mo	Ni
4130	0.28-0.33	0.15-0.35	0.4-0.6	0.035	0.04	0.8-1.1	0.15-0.25	/
25CrMo4	0.22-0.29	0.4	0.6-0.9	0.025	0.035	0.9-1.2	0.15-0.30	/
SCM430	0.28-0.33	0.15-0.35	0.6-0.85	0.03	0.03	0.9-1.2	0.15-0.30	/

4: 4130 steel mechanical properties
The mechanical properties mainly include tensile strength, yield strength, elongation, area or reduction, hardness, impact value, non-metalic inclusion etc. Different heat treatment, the mechanical properties will be different, such as normalized, tempered, QT. If you want to know the properties, kindly contact the salesman.

5: 4130steel overviews

Size	Round	Dia 6-1200mm
	Plate/Flat/Block	Thickness 6mm-500mm
		Width 20mm-1000mm
Heat treatment	Normalized ; Annealed ; Quenched ; Tempered
Surface condition	Black; Peeled; Polished; Machined; Grinded; Turned; Milled
Delivery condition	Forged; Hot rolled; Cold drawn
Test	Tensile strength, Yield strength, elongation, area of reduction, impact value, hardness, grain size, ultrasonic test, US inspection, magnetic particle testing, etc.
Payment terms	T/T;L/C;/Money gram/ Paypal
Trade terms	FOB; CIF; C&F; etc..
Delivery time	30-45 days
Application	4130 are used for Commercial aircraft, aircraft engine mounts, military aircraft, automotive, machine tools, hydraulic tools, auto racing, aerospace, oil and gas industries as forged valve bodies and pumps, agricultural and defense industries etc.

SAE 1045 1020 Hot Rolled Iron Carbon Steel Round Bars Round Steel Bar

1.Packing :3 layers of packaging, kraft paper inside, water plastic film in the middle, the outermost GI steel plate tied with steel belt or as required.

2.Shipping port: Tianjin/Shanghai/Qingdao
3.Shipment:
a. Length: ≤6m, loaded in 20GP Container.
b. Length: ≤12m, loaded in 40GP Container.
Remark: Size of 20GP Container (inside :5898*2352*2393mm)
Size of 40GP Container (inside:12032*2352*2393mm)
Size of 40HQ Container (inside:12032*2352*2698mm)
4.Delivery time: Within 7-15 days, depending on the situation

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