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{"title":"ASTM A29\/A29m Hot Rolled Alloy Steel Round Bars SAE4340 10-350mm","imgUrl":"https:\/\/img.chinax.com\/nimg\/bb\/a1\/eb9afbd48509c13f9c6fa7b71d79-200x200-1\/astm_a29_2fa29m_hot_rolled_alloy_steel_round_bars_sae4340_10_350mm.jpg","attrs":{"Brand Name":"DELTA","Model Number":"SAE4340","Certification":"ISO","Place of Origin":"China"}}
{"title":"25Cr2MoVA Alloy Steel Round Bar Diameter 10 - 300mm Custom Cutting in Length","imgUrl":"https:\/\/img.chinax.com\/nimg\/b7\/8f\/c374af89362ac900e00ce51f86b6-200x200-1\/25cr2mova_alloy_steel_round_bar_diameter_10_300mm_custom_cutting_in_length.jpg","attrs":{"Brand Name":"DELTA","Model Number":"DIN 1.8159 (25CrMoV6-4) \/ 25Cr2MoVA","Certification":"ISO","Place of Origin":"China"}}
{"title":"EN DIN Standard 41CrAlMo7 Alloy Steel Round Bar Diameter 10 - 350mm SCM645 Alloy","imgUrl":"https:\/\/img.chinax.com\/nimg\/86\/8a\/f384d75ceea894a15b4f1ea6423b-200x200-1\/en_din_standard_41cralmo7_alloy_steel_round_bar_diameter_10_350mm_scm645_alloy.jpg","attrs":{"Brand Name":"DELTA","Model Number":"41CrAliMo7","Certification":"ISO","Place of Origin":"China"}}
{"title":"25Cr2MoVA \/ DIN1.8159 Alloy Steel Round Bar Hot Rolled Diameter 20 - 350mm in 6m","imgUrl":"https:\/\/img.chinax.com\/nimg\/55\/19\/5e678c170e39068beeabe330b547-200x200-1\/25cr2mova_2f_din1_8159_alloy_steel_round_bar_hot_rolled_diameter_20_350mm_in_6m_length.jpg","attrs":{"Brand Name":"DELTA","Model Number":"DIN 1.8159 (25CrMoV6-4) \/ 25Cr2MoVA","Certification":"ISO","Place of Origin":"China"}}
{"title":"EN 1.8507 (34CrAlMo5-10) Nitriding Steel Round Bar Diameter 10 - 300mm Custom","imgUrl":"https:\/\/img.chinax.com\/nimg\/25\/c9\/4f41b121bc96fda3bc795edf2de2-200x200-1\/en_1_8507_2834cralmo5_10_29_nitriding_steel_round_bar_diameter_10_300mm_custom_cutting.jpg","attrs":{"Brand Name":"DELTA","Model Number":"34CrAlMo5-10 \/ 1.8507","Certification":"ISO","Place of Origin":"China"}}
Hot rolled plain round steel bars with high carbon content for industrial applications requiring strength and durability.
Product Overview
AISI 1045 steel round bar is a high carbon steel under American standard, classified as quenching and tempering steel with exceptional strength properties. This versatile material can be produced as hot rolled round bars, square bars, cold-drawing bars, and forged bars to meet various industrial requirements.
Key Applications
Moving parts requiring high strength: plunger of air compressor and pump, rolled shaft
Heavy machinery components: connecting rod, endless screw, gear rack, dowel
Wear resistant parts after heat treatment: crank axle, machine tool shaft, transmission shaft
Industrial, machine, and tool applications requiring good strength and ductility
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
Tensile Strength
585 MPa
Yield Strength
450 MPa
Elongation at Break
12%
Hardness (Brinell)
163 HB
Modulus of Elasticity
200 GPa
Shear Modulus
80 GPa
Thermal Properties
Property
Value
Thermal Conductivity
51.9 W/mK
Thermal Expansion Coefficient
11.2 µm/m°C
Density
7.85 g/cm³
International Equivalents
Standard
Grade
C
Si
Mn
P
S
ASTM A29/29M
1045
0.43-0.50
/
0.60-0.90
≤0.040
≤0.050
DIN W-Nr
1.1191/CK45
0.42-0.50
≤0.40
0.50-0.80
≤0.035
≤0.035
GB/T
45
0.42-0.50
0.17-0.37
0.50-0.80
≤0.035
≤0.035
JIS
S45C
0.42-0.48
0.15-0.35
0.60-0.90
≤0.030
≤0.030
Available Steel Grades
Steel Series
Representative Steel Type
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
Wind Power Series
18CrNiMo7-6, 17CrNiMo6, 1.6582, 1.6587, SAE8620
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
Q: How long is your delivery time?
A: Generally 5-10 days for stocked goods, or 15-20 days for non-stocked items depending on quantity.
Q: Do you provide samples? Is it free or extra?
A: Yes, we offer samples free of charge, but freight costs are not included.
Q: What is your MOQ?
A: Usually 5 tons. Smaller quantities may have slightly higher prices, while larger quantities receive better pricing.
Q: How to buy your ideal products?
A: Provide your drawing for production, or we can design according to your requirements if you don't have a clear plan.
Q: How to get an accurate quotation?
A: Provide product detail size & length, product quantities, and product material grade.
Product Images
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...