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Carbon steel round bars available in diameters from 2-100 mm, manufactured through cold drawing process for enhanced dimensional accuracy and surface finish.
Product Overview
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 and square bars, cold-drawn bars, and forged bars, this material is suitable for various industrial applications requiring high strength and durability.
Applications
Moving parts requiring high strength: air compressor plungers, pump components
Wear-resistant parts after high-frequency quenching: crank axles, machine tool shafts, transmission shafts
Material Properties
1045 is a commonly used low carbon steel alloy offering good strength, ductility, and excellent machinability. Typically supplied in quenching and tempering or normalizing delivery states.
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
Steel Series
Representative Steel Types
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
Marine series
4140, 42CrMo, SCM440, 709M40
Forged Steel Dimensions
Round Bar: Φ85mm ~ 1200mm
Square Bar: 150×150 - 800×800mm
Flat Blocks: (150mm-800mm) × (200mm-800mm)
Custom 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? Is it free or extra?
Yes, we offer samples free of charge, but customers pay the freight cost.
What is your MOQ?
Minimum order quantity is typically 5 tons. Smaller quantities may have slightly higher pricing.
How to buy your ideal products?
Provide your drawing for production, or we can design according to your requirements if no clear plan exists.
How to pay?
TT and L/C accepted. Preferred method: 30% deposit before production, 70% balance before loading by TT.
Product Gallery
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter
Total Annual:
>1000000
Employee Number:
>100
Ecer Certification：
Verified Supplier
Our company is located in Wuxi City, China, we are a stainless steel plate, seamless steel pipe, round steel, steel belt, decorative pipe and other products distribution wholesale private enterprise. Our company operates stainless steel plate, seamless steel pipe, round steel, steel belt, decorative... Our company is located in Wuxi City, China, we are a stainless steel plate, seamless steel pipe, round steel, steel belt, decorative pipe and other products distribution wholesale private enterprise. Our company operates stainless steel plate, seamless steel pipe, round steel, steel belt, decorative...
