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by golusingh9285

 Grade introduction

Low carbon, unalloyed gentle steel grade C20 bright bar is presented as hot-rolled or splendid drawn finish bars. It is fitting for welding since it is a low carbon steel grade that offers low strength and great machinability.

Grade Application

every now and again utilized overall designing For utilizes including bolts, shafts, spacers, centres, baseplates, sections, fittings, and dances, C-20 is suitable.

C20 Bright Bar Chemical properties


C20 Bright Bar Mechanical properties

Tensile strength
425 MPa
61600 psi
Yield strength
360 MPa
52200 psi
Shear modulus
80.0 GPa
11600 ksi
Bulk modulus
140 GPa
20300 ksi
Elastic modulus
190-210 GPa
27557-30458 ksi
Poisson’s ratio
Elongation at break
Reduction of area
Hardness Brinell
Hardness, Knoop
Hardness, Rockwell B
Hardness, Vickers

C20 Bright Bar Physical properties

Annealed hardness | HBS: 156 max.

Tensile strength,σb/≥ MPa: 400

Yield strength, σ0.2/≥ MPa: 270

Elongation, δ ≥(%): 27.0

C20 Bright Bar Hardness:

Hardness is the ability to oppose surface scraped spot and space (confined plastic disfigurement). Because of the way that it could suggest protection from scraping, scraped spot, space, molding, or even restricted plastic mishappening, hardness is perhaps the element of a material that is least obviously characterized. According to a designing point of view, hardness is significant on the grounds that protection from wear brought about by contact or disintegration brought about by steam, oil, and water frequently ascends with hardness.

One of the space hardness tests made for hardness testing is the Brinell test. In Brinell tests, a hard, circular indenter is crashed into the outer layer of the metal under test at a foreordained burden. In many tests, an indenter with a 10 mm (0.39 in) width solidified steel ball and a 3,000 kgf force is utilized (29.42 kN; 6,614 lbf)force. The heap is saved consistently for a foreordained timeframe (somewhere in the range of 10 and 30 s). A more modest power is applied to milder materials, while a tungsten carbide ball is used instead of the steel ball for more earnest materials.

C20 Bright Bar Heat treatment:

Because of factors including the shape and size of every part, heat treatment temperatures, including the pace of warming, cooling, and drenching lengths, will shift while solidifying C-20. The sort of heater, the extinguishing specialist, and the workpiece transport offices are different elements to consider during the intensity therapy process.

C20 Bright Bar Hardening:

C-20 bars, a low carbon steel, isn’t the most ideal material for heat treatment (C-20 or EN9 might be a more qualified choice). Intensity to a scope of 880 to 910 °C in the event that solidifying is essential. Slake the rod with water.

C20 Bright Bar Tensile strength

High-carbon steel has an extreme rigidity of 685 MPa. On the designing pressure strain bend, a definitive rigidity is at its most noteworthy. This is comparable to the greatest pressure that a construction in strain can endure.

C20 Bright Bar Wield strength

High-carbon steel has a yield strength of 525 MPa.

The yield point on a pressure strain bend is where versatile movement closures and plastic conduct begins. The material property known as yield strength or yield pressure is depicted as the strain at which a material begins to plastically twist. The start of nonlinear (versatile + plastic) distortion, in any case, happens at the yield point. The material will flexibly distort before to the yield point and resume its unique shape once the applied burden is wiped out. Some pieces of the misshapening will become super durable and irreversible once the yield edge is passed. The yield point peculiarities is a way of behaving that a few preparations and different materials show. Low-strength aluminum has a yield strength of 35 MPa, while high-strength steel has a yield strength of in excess of 1400 MPa.

C20 Bright Bar Shapes

C-20 / C-20D Polished Round Bar C-20 / C-20D T-Bar C-20 / C-20D Square Bar
C-20 / C-20D Triangle Bar C-20 / C-20D Flat Bar C-20 / C-20D Hex Bar
C-20 / C-20D Precision Stock Bar C-20 / C-20D Hollow Bar C-20 / C-20D Round Bar
C-20 / C-20D Threaded Bar C-20 / C-20D Rods C-20 / C-20D Half Round Bar

C20 Bright Bar Sizes

Size (inches) 1/4 5/16 3/8 7/16 1/2 1 5/8 11/16 3/4 1 7/8 1 1 1 1/8
1 1/4 1 3/8 1 7/16 1 1/2 1 5/8 1 3/4 1 7/8 2 2 1/8 2 1/4 2 3/8 2 1/2 2 5/8 2 3/4
3 3 1/4 3 1/2 3 3/4 4 4 1/4 4 1/2 4 3/4 5 5 1/4 5 1/2 6 6 1/2 7
7 1/2 8 9
Size (mm) 5 6 7 8 9 10 12 13 14 15 16 18 20 22
24 25 28 30 32 35 36 38 40 42 45 50 55 60
65 70 75 80 85 90 95 100 110 120 125 130 140 150


  • Surface finishing—without centerless grinding, belt polishing to Ra = 0.2 um (12 RMS), and grit polishing to with 180 grit.
  • 100% crack free bright bars—A magnetic particle inspection (MPI) test is conducted on every bright bar to verify that there is no crack and the bright bar is made crack-free.
  • Premium quality testing- A high degree of safety is assured by using high ductility bolstering steel that is not brittle. In more than 100 steel grades, the products are exported to more than 50 countries.
  • Our company is one of the best manufacturers of C-20 round bars in India and can offer the best value. In addition, we keep a large stock of round bars manufactured in Maharashtra, Pune, Aurangabad, Pune, Nashik, Mumbai, Nagpur, Thane, Faridabad, Delhi NCR, Gujarat, Tamil Nadu etc., for our stocking wholesalers.

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