AISI/SAE 8620 Carbon Steel Square Bar

1. Competitive price and quality from our own factory
2. Approved by ISO9001, CE, SGS every year
3. Best service with 24 hour’s reply
4. Flexible payment with T/T, Paypal, etc
5. Smooth production ability (50000tons/month)
6. Quick delivery and standard exporting package
7. OEM/ODM

Product Description AISI/SAE 8620 Carbon Steel Square Bar

8620 alloy steel is a medium-carbon low-alloy steel with high hardness and dimensional stability, as well as high strength and plasticity. In addition, 8620 alloy steel also has good weldability, forgeability and processability, and is widely used in industrial fields such as manufacturing shaft parts, gears, carburized parts, crankshafts and machine tools. 8620 alloy steel is widely used in aviation, automobiles, machinery and other fields, especially in manufacturing high-load, high-strength and fatigue-resistant parts.

Product Parameters

Product Name AISI/SAE 8620 Carbon Steel Square 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 6.35×12.7mm, 6.35×25.4mm, 12.7×25.4mm
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 Mn Si Mo Cr Ni S P
0.18-0.23 0.70-0.90 0.15-0.35 0.15-0.25 0.40-0.60 0.40-0.70 0.035 0.040

Mechanical Properties

Grade Tensile Strength (Mpa) Yield Strength (Mpa) Elongation in 100-150 mm (%) Reduction in Area Hardness
SAE 8620 ≥ 380 ≥ 210 ≥ 25 ≥ 50 ≤ 111HB

Carbon steel bar size table

Diameter (inches) Diameter (mm)
 1/4 6.35
 3/8 9.52
 1/2 12.7
 5/8 15.88
 3/4 19.05
1 25.4
1 1/4 31.75
1 1/2 38.1
2 50.8

Carbon steel is a steel with a carbon content greater than 0.08%, and is one of the most widely used materials in the construction industry. Commonly used materials include
A36/S355JR/1018/1025/4130/EN8 etc.

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