AISI/SAE 5160 Carbon Steel Bar

Summit Metal Group Co., Ltd.

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AISI/SAE 5160 Carbon Steel Bar

5160 steel bar is made of a medium-carbon alloy steel whose specific components include carbon, chromium, manganese, silicon, phosphorus and other elements. In addition, 5160 steel also contains a small amount of chromium for improved hardenability.

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Product Description

AISI/SAE 5160 Carbon Steel Bar Description

5160 alloy steel is a high carbon spring steel with a small amount of chromium added in addition to carbon. The addition of chromium can improve the hardenability of steel. 5160 steel has excellent toughness, ductility and fatigue resistance. Although various properties such as wear resistance are excellent, it is famous for its excellent toughness. 5160 steel bars are used in the vehicle and tractor industry to make leaf springs with heavy loads and large stresses and coil springs with larger diameters.

Product Parameters

Product Name	AISI/SAE 5160 Carbon Steel Bar
Standard	EN/DIN/JIS/ASTM/BS/ASME/AISI, etc.
Common Round Bar Specifications	3.0-50.8 mm, Over 50.8-300mm
Flat Steel Common Specifications	6.35x12.7mm, 6.35x25.4mm, 12.7x25.4mm
Hexagon Bar Common Specifications	AF5.8mm-17mm
Square Bar Common Specifications	AF2mm-14mm, AF6.35mm, 9.5mm, 12.7mm, 15.98mm, 19.0mm, 25.4mm
Length	1-6meters, Size Accept Custom
Diameter(mm)	Hot Rolling Round Bar	25-600	Cold Rolling Square Bar	6-50.8
	Hot Rolling Square Bar	21-54	Cold Rolling Hexagon Bar	9.5-65
	Cold Rolling Round bar	6-101.6	Forged Rebar	200-1000
Surface Process	Bright, Polished, Black
Other Services	Machining(cnc), Centerless Grinding(cg), Heat Treatment, Annealing, Pickling, Polishing, Rolling, Forging, Cutting, Bending, Small Machining, etc.

Chemical Composition

Standard	Grade	C	Si	Mn	Cr	V	P ≤	S ≤
DIN 17221	60SiCr7	0.57-0.65	1.50-1.80	0.70-1.00	0.20-0.40		0.030	0.030
	55Cr3	0.52-059	≤ 0.40	0.70-1.00	0.70-1.00		0.025	0.025
	60Cr3	0.56-0.64	0.17-0.37	0.70-1.00	0.70-1.00		0.025	0.025
	50CrV4	0.47-0.55	0.15-0.40	0.70-1.00	0.70-1.10	0.10-0.20	0.030	0.030
JIS G4801	SUP6	0.55-0.65	1.50-1.80	0.70-1.00	—		0.035	0.035
	SUP7	0.55-0.65	1.80-2.20	0.70-1.00	—		0.035	0.035
	SUP9	0.52-0.60	0.15-0.35	0.65-0.95	0.65-0.95		0.030	0.030
	SUP9A	0.56-0.64	0.15-0.35	0.70-1.00	0.70-1.00		0.030	0.030
	SUP10	0.47-0.55	0.15-0.35	0.65-0.95	0.80-1.10	0.15-0.25	0.030	0.030
SAE J1268	9260/H	0.55-0.65	0.70-1.20	0.65-1.10	≤ 0.2		0.040	0.030
	5155	0.50-0.60	0.15-0.35	0.65-1.10	0.60-1.00		0.040	0.030
	5160/H	0.55-0.65	0.15-0.35	0.65-1.10	0.60-1.00		0.040	0.030
	6150	0.47-0.54	0.15-0.35	0.60-1.00	0.75-1.20	≤ 0.15	0.040	0.030

Mechanical Properties

Standard				Heat Treatment			Mechanical Property [≥]
GB	SAE	JIS	DIN	Quenching Temprature °C	Quenchant	Temper Stressing °C	Tensile Strength Rm/[N/mm2]	Yield Strength ReL/[N/mm2]	HBW ≤
65Mn	1066	-	-	830	Oil	540	980	785	302
60Si2Mn	9260	SUP6	60Si7	870		480	1275	1180	321
60Si2MnA	9260	SUP7	60Si7	870		440	1570	1375	321
55CrMnA	5155	SUP9	55Cr3	830-860		460-510	1225	1080 (Rpo 2)	321
60CrMnA	5160/h	SUP9A	-	830-860		460-520	1225	1080 (Rpo 2)	321
50CrVA	6150	SUP10	51CrV4	850		500	1275	1130	321

Scope of Application

5160 steel is an ideal spring steel. Its high strength is often used in applications with small cross-sections under significant stress, such as springs, fasteners, and leaf springs in automotive suspensions.

Product Application

Packaging and shipping

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FAQ

1. What are your main products?
We primarily deal in carbon steel (hot-rolled/cold-rolled sheets, coils, pipes, and bars), structural steel (angle bars, channel steel, I-beams, H-beams, square/rectangular tubes, etc.), galvanized products (galvanized sheets, coils, pipes, and profiles), and aluminum products (sheets, coils, profiles, and bars). We can also supply other steel varieties based on customer requirements.

2. Are you a manufacturer or a trader?
We are a comprehensive service provider integrating trading, processing, and distribution. We maintain close partnerships with major steel mills in Vietnam and the surrounding region, ensuring a stable supply chain. Additionally, our in-house processing center offers value-added services, combining the flexibility of a trader with the service capabilities of a processing plant.

3. Do you accept small-batch orders? What is the minimum order quantity (MOQ)?
Yes, we support small-batch and trial orders. The MOQ is typically one container (approx. 20–25 tons), depending on product specifications and dimensions. MOQs for aluminum products can be lower; please contact us for details.

4. What is the typical delivery time?
For standard products, delivery takes 15–30 days after receipt of the deposit, depending on order volume, product type, and current production scheduling. Stock items can be delivered sooner. Delivery times for customized orders will be longer, and we will inform you in advance.

5. What payment methods do you accept?
We generally accept T/T (Telegraphic Transfer) and L/C (Letter of Credit). More flexible payment terms can be negotiated for long-term clients. Specific ratios (e.g., 30% down payment and 70% balance) can be adjusted based on the order value and credit status.

6. What processing services do you offer?
We provide services such as cutting, punching, bending, welding, uncoiling, and leveling. We also offer customized deep processing of profiles based on technical drawings. All processing is performed in-house to ensure quality control and timely delivery.

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