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Raian Ionescu

Material quality very good. we have cooperate more than 10 Years. They trade lots kinds of steel material. All material quality good. They duty for all material quality. We are planing continue cooperate with them in the future

Contact Person : Gao Ben

Phone Number : 18068357371

Whatsapp : +8618068357371

Polished Surface Carbon Steel Round Bar OD 6-630mm for Quenching and Tempering Applications

Minimum Order Quantity	1 Ton
Price	US $530-950 / Ton

Product Details

Material Grade	AISI 1045	Chemical Composition	C: 0.42-0.5, Si: 0.17-0.37, Mn: 0.5-0.8, Cr: ≤0.25, P: ≤0.035, S: ≤0.035, Ni: ≤0.3, Cu: ≤0.25
Diameter Range	OD 6-630mm	Tensile Strength	600 N/mm²
Yield Strength	355 N/mm²	Elongation	16%
Reduction Area	40%	Hardness	229 HB
Forging Ratio	≥ 4:1	Grain Size	≥ 6
Nonmetal Ratio	≤ 2.0	Surface Treatment	Polished
Round Bar Size	Φ85mm~1200mm	Square Bar Size	150×150-800×800mm
Flat Block Size	(150mm-800mm)*(200mm-800mm)
Highlight	Polished Surface Steel Round Bar , OD 6-630mm Carbon Steel Round Bar , Quenching and Tempering 1045 Steel Round Bar

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Product Description

AISI 1045 Carbon Steel Round Bars

AISI 1045 steel round bar is a high carbon steel under American standards, classified as a quenching and tempering steel with excellent strength properties. Available in hot rolled round bars, square bars, cold-drawing bars, and forged bars, this material is suitable for various industrial applications requiring robust mechanical performance.

Applications

AISI 1045 round bar is widely used for manufacturing moving parts that require high strength, including:

Plunger of air compressor and pump
Rolled shaft and connecting rod
Endless screw and gear rack
Dowel of heavy machines
Crank axle and machine tool shaft
Transmission shaft and wear resistant parts

Chemical Composition

Grade	C	Si	Mn	Cr	P	S	Ni	Cu
AISI 1045	0.42-0.5	0.17-0.37	0.5-0.8	≤0.25	≤0.035	≤0.035	≤0.3	≤0.25

Mechanical Properties

Grade	Delivery State	T.S. (N/mm²) Min	Y.S. (N/mm²) Min	A,% Min	Z,% Min	Hardness, HB max
AISI 1045	Hot rolled, forged, or heat treatment	600	355	16	40	229

Available Steel Grades

We supply a comprehensive range of forged steel bars across multiple series:

Carbon Steel Series

AISI 1020, 1045, A36, S355JR, S355JO

Petroleum Machinery Series

AISI 4150, AISI 4140, AISI 4130, 30CrMo, 4145H

Tool Mold Series

1.2714, 5CrMnMo, 5CrNiMoV, 1.2738, 1.2311, 1.2312

Bearing Series

52100, GCr15, SUJ2

Other Specialized Series

Marine, Automotive, Heavy-duty Transmission, Mining Machinery, Wind Power, Nitriding, Pressure Vessel, and Metallurgical Roll series

Forged Steel Dimensions

Round Bar: Φ85mm ~ 1200mm
Square Bar: 150×150 - 800×800mm
Flat Blocks: (150mm-800mm) × (200mm-800mm)
Custom Shapes: Forged shafts and rings according to customer drawings

Frequently Asked Questions

How long is your delivery time?

Generally 5-10 days for in-stock items, or 15-20 days for non-stock items depending on quantity.

Do you provide samples?

Yes, we offer free samples but customers pay the freight cost.

What is your MOQ?

Minimum order quantity is typically 5 tons, with flexible pricing for smaller quantities.

How to order custom products?

Provide your drawing for production, or we can design according to your requirements.

What payment methods do you accept?

TT and L/C are acceptable, with 30% deposit before production and 70% balance before loading.

Do you provide installation support?

We provide installation instructions and videos. Technical support available with costs covered by buyer.

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Polished Surface Carbon Steel Round Bar OD 6-630mm for Quenching and Tempering Applications

Polished Surface Steel Round Bar

OD 6-630mm Carbon Steel Round Bar

Quenching and Tempering 1045 Steel Round Bar