1).Composition:
| Steel Grade | chemical composition | |||||||
| C | Si | Mn | S | P | Cr | Ni | Cu | |
| 10# | 0.07%-0.13% | 0.17%-0.37% | 0.35%-0.65% | ≤0.035% | ≤0.035% | ≤0.15% | ≤0.25% | ≤0.25% |
| 20# | 0.17%-0.23% | 0.17%-0.37% | 0.35%-0.65% | ≤0.035% | ≤0.035% | ≤0.25% | ≤0.30% | ≤0.25% |
| 35# | 0.32%-0.40% | 0.17%-0.37% | 0.50%-0.80% | ≤0.035% | ≤0.035% | ≤0.25% | ≤0.25% | ≤0.25% |
| 45# | 0.42%-0.50% | 0.17%-0.37% | 0.50%-0.80% | ≤0.035% | ≤0.035% | ≤0.25% | ≤0.25% | ≤0.25% |
| 60# | 0.57%-0.65% | 0.17%-0.37% | 0.50%-0.80% | ≤0.035% | ≤0.035% | ≤0.25% | ≤0.25% | ≤0.25% |
| 20Mn | 0.17%-0.24% | 0.17%-0.37% | 0.70%-1.00% | ≤0.035% | ≤0.035% | ≤0.25% | ≤0.25% | ≤0.25% |
| 65Mn | 0.62%-0.70% | 0.17%-0.37% | 0.90%-1.20% | ≤0.035% | ≤0.035% | ≤0.25% | ≤0.25% | ≤0.25% |
2). Diameters:6-400mm
Length:1-12m or as required
3). Application of Carbon Structural Steel:
With its excellent mechanical properties and processing characteristics, high-quality carbon structural steel is mainly used in the
fields of machinery manufacturing, construction engineering, and transport, specifically including the manufacture of cold pressed
parts, welded containers, shaft parts, springs and bridge components.
4).Special Steel Round Bar
| Grade | Spec | Dimension | Steel Grade | Application industry | |
| Special Steel Round Bar | Quality carbon structural steel | GB/T699 JIS G 4051 ASTM A29 SAE,EN10083 (Others) | 12-260 | 10# ,20#,45#, 65Mn,SAE1080,S45C,etc | For Manufacturing of All Kinds of Bearing Parts, Connecting Rod. Rigging Metal Tools etc. |
| Low alloy high-strength steel | GB/T1591,(Others) | 13-260 | Q355 series,Q460C,etc | Mechanical,Car,Engineering machinery | |
| Alloy structural steel | GB/T3077,JIS,ASTM A29, EN10083,(Others) | 13-260 | 20Mn2-45Mn2,25MnV,27SiMn-42SiMn,20Cr-40Cr,12CrMo-42CrMo,20CrMn,40CrMn,SCr420,SCr440,SCM420,SCM440,41Cr4,20CrMoA,30CrMoA,20Cr2MoA,20CrNiMo,20Cr2Ni4A,SAE4340,20Cr2Ni4A,30CrMnSiA etc | Mechanical,Car,Bridge,Petrochemical industry | |
| Bearing steel | GB/T18254,(Others) | 14-200/5-25 wire rod and cold drawn wire | GCr15,GCr15SiMn,C&U1,C&U2,GCr15-JN,SCP52100,SCPSS52100,GCr15S700,100CrMn6,SUJ2,SUJ2S1,SAE1055,S55C,G20CrNiMoA(SAE8620),GCr15etc | Mechanical ,Car ,Electric machinery,Engineering machinery etc | |
| Spring Steel | GB/T1222,JIS,SAE,EN,(Others) | 13-120 | 60Si2MnA,60Si2CrA,60Si2CrVA,55CrMnA,50CrVA,SUP9, SUP9A ,SUP11A, 55Cr3 ,51CrV4 ,52CrMoV4 ,SAE5160 SAE6150 ,SAE9254, 60SiCrVAT, 52CrMoV4 ,55SiCr etc | Car,High Speed railway,Locomotive | |
| Round billet | 300mm-600mm ( According to the different requirement) | ||||
| Large section bar | 80mm-350mm ( According to the different requirement) | ||||
| Forging | 180mm-1500mm ( According to the different requirement) |
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1.What is the meaning of round bar?
Round bar is a steel bar with a smooth surface which is used for construction that does not request high-strength reinforced concrete works. It is widely used on beam and column stirrups, pipelines, roads, small and medium-sized projects.
2.What is the difference between a round bar and a rod?
Round bars, made from steel or stainless steel alloys, have more carbon than rods. While this composition increases their strength, it also makes them prone to brittleness and cracks. Rods made from mild steel alloys with less carbon are less brittle and more flexible but not as strong as round bars.
3.What is a circular bar?
A circular barplot is a plot where each bar is displayed along a circle instead of a line. Here no Y scale is displayed since exact values are written on each bar which could also be represented on interaction with the chart.
4.What is the function of round bar?
Sound bars are speakers that enhance the audio quality of content. They're designed to sit neatly underneath or above your TV and provide a more immersive viewing experience. If you have a high-resolution TV, like a UHD, OLED or QNED TV, sound bars amplify the audio experience to match the high-definition visuals.
5.What is another name for a round bar?
Round Bar – Also known as Metal Rod, the round bar is typically measured by its diameter referring to the widest dimension across the cross-section of the bar. Hexagonal Bar – More commonly known as a Hex bar, the hexagonal bar is a length of six-sided bar with its diameter measured across two opposing flat faces.