A36 Round Steel Bar
A36 is a low-carbon steel containing manganese, phosphorus, sulfur, silicon and copper. A36 has good weldability and high yield strength. A36 carbon steel bar is commonly used as a variety of structural steel parts.
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- Commodity name: A36 Round Steel Bar
A36 is a low-carbon steel containing manganese, phosphorus, sulfur, silicon and copper. A36 has good weldability and high yield strength. A36 carbon steel bar is commonly used as a variety of structural steel parts.
A36 Round Steel Bar Description
A36 is a carbon structural steel whose chemical composition and mechanical properties strictly conform to American ASTM standards. A36 steel bar mainly consists of iron, carbon, silicon, manganese, phosphorus, sulfur and other elements. Iron constitutes more than 99% of the entire chemical composition. Its carbon content proportion is relatively high, around 0.2%, ensuring that the steel has a certain hardness and toughness. The addition of silicon, manganese and other elements enhances the strength and toughness of steel. Phosphorus and sulfur are low so that the steel bar has good welding performance and corrosion resistance. A36 steel bar is used for welded, bolted or riveted construction of bridges and buildings, as well as for general structural purposes. Due to its lowest yield point, A36 can be used to design lighter-weight structures and equipment, and provide good weldability.
Product ParametersProduct Name
A36 Round 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
C
Cu
Fe
Mn
P
Si
S
0.25-0.290
0.20
98.0
1.03
0.040
0.280
0.050
Mechanical Properties
A36
Limit Tensile Strength
Tensile Strength, Yield Strength
Elongation at Break (Unit: 200mm)
Elongation at Break (Unit: 50mm)
Modulus of Elasticity
Bulk Modulus (Typical for Steel)
Poisson's Ratio
Shear Modulus
Metric
400-550 MPa
250 MPa
20.0 %
23.0 %
200 GPa
140 GPa
0.260
79.3 GPa
Imperial
58000-79800 psi
36300 psi
20.0 %
23.0 %
29000 ksi
20300 ksi
0.260
11500 ksi
Physical Performance
Physical Performance
Metric
Imperial
Density
7.85 g/cm3
0.284 lb/in3
Scope of Application
Bolted, riveted or welded structures for bridges, buildings and oil drilling rigs.
Used for forming storage tanks, silos, bearing plates, fixtures, rings, templates, fixtures, sprockets, cams, gears, bottom plates, forgings, decoration engineering, piles, brackets, automobiles and agricultural equipment, frames, mechanical parts, etc.Equivalent Material
National Standard GB
European Standard EN
American Standard ASTM
German Standard DIN,WNr
Japanese Standard JIS
French Standard AFNOR
British Standard BS
Canada HG
Q235B
S235JR
A283C
St37-2
SM400A
E24-2
40A/40B
230G
Italy UNI
India IS
Switzerland SS
Australia ONORM
Norway NS
Spain UNE
International Standards ISO
Portugal NP
Fe360B
IS2062
1311/1312
RSt360B
NS12123
AE235B-FN
E235B/Fe360B
FE360-B
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A36 Round Steel Bar - Stock Warehouse
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A36 Round Steel Bar - Product Inspection
Tensile Strength Testing Tensile Strength Testing Physical Performance Testing Chemical Composition Testing 
Inspection Hardness Testing Spectral Detection Mechanical Properties -
A36 Round Steel Bar - Product Measurement
Measurement Measurement Measurement Measurement -
A36 Round Steel Bar - Product Packaging
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