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Stainless Steel Bright Round Bar

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Stainless Steel Plate, Sheet, Coil

The Stainless Steel Bright Bars can be described as raw materials that are primarily created from the stainless steel alloy through the process of cold drawing. They have a very precise geometric molecular structure and come with a very smooth finish. This is why the bars have a very shiny appearance and that is why they are known as bright bars. Depending on the type and grade of stainless steel used in making the bright bars, they have different chemical composition and hence varied properties. The SS Bright Round Bars are highly corrosion resistant, durable, and come with enhanced strength. They also have excellent weldability and machinability, which is why they are used for various applications.

The square bright bars are used for manufacturing trellis, fences, or railings in a building.  The SS hexagonal bright bars are mostly used in the parts of the gas turbine engine, which are used in high temperatures and also need high strength.

Cold drawn bright bars vs Peeled Bars
The stainless steel cold drawn bright bars are normally drawn at room temperatures, and that is why it is known as the cold working procedure. This cold drawing also has an impact on the properties of the metal. It helps in the desired scaling of the bar, and also helps to maintain a close dimensional tolerance. Also, the surface finish is quite vibrant and free of any scale.

The Stainless Steel Peeled Bars are manufactured by chipping off the surface of the steel. Thus, these bars has a very smooth and polished surface. Because of this method, some surface defects might easily be removed from the rolled product.



Stainless Steel Bright Bar Specifications

Stainless Steel Bright Bar Size range  
 
5 mm to 100 mm (3/16 inch – 4 inch)
Size Tolerances  
 
h9, h10, h11, k12, k13, A-484, EN-10060, DIN-1013 etc.
Stainless Steel Bright Bar Length  
 
2 metres to 6 metres
Chamfering  
 
Available in 30° to 60° through fully automatic both-end chamfering machine
Stainless Steel Bright Bar Crack Test  
 
Magnetic Particle Inspection (MPI)
Ultrasonic Test  
 
100% tested through Digital Ultrasonic Flaw Detector, as per ASTM A-388, EN 10308
(class 1 to 4), API 6A/ISO 10423:2003-PSL 3, SEP 1920:1984 (class A, B, C), MIL STD 2154
Stainless Steel Bright Bar Length Tolerance  
 
Available in special cut to length bars in tolerance -0/+10 mm (-0/+0.5 inch)
Straightness  
 
Up to 0.25 mm/metre TIR (0.0015 inch/feet)
Stainless Steel Bright Bar Surface Finish  
 
Centreless Ground & Belt Polished up to Ra value 0.2 microns (12 RMS) and 24 – 320 Grit Polished
Heat Treatment     Annealed, Solution Annealed, Quenched & Tempered (QT), Double Ageing/Double Tempering

 

Stainless Steel Bright Bars sizes:

Drawn Bar

Min. (mm)

Max. (mm)

Drawn Bar

Min. (inch)

Max. (inch)

Rounds

14 mm

76 mm

Rounds

5/8”

3”

Flats

Width : 
Height :
20 mm 
5mm
100 mm 
40 mm

Flats


Width : 
Height :
3/4" 
1/2"
4” 
1-1/2”
Squares
14 mm
65 mm
Squares
1/2"
2-1/2”
Hexagonals
12 mm
60 mm
Hexagonals
5/8”
2”

 

Stainless Steel Round Bars Chemical Composition

 

ASTM Grade C Mn Si S P Cr Ni Mo Other
304 0.08 max 2.00 max 0.75 max 0.030 max 0.045 max 18.0-20.0 8.0 11.0 - -
316 0.08 max 2.00 max 0.75 max 0.030 max 0.045 max 16.0-18.0 10.0 14.0 2.0 3.0 -
317L 0.035 max 2.00 max 0.75 max 0.030 max 0.045 max 18.0-20.0 11.0 14.0 3.0 4.0 -
310 S 0.08 max 2.00 max 1.5 max 0.030 max 0.045 max 24.0-26.0 19.0 22.0 3.0 4.0 -
347 H 0.04 0.10 2.00 max 0.75 max 0.030 max 0.045 max 17.0- 19.0 9.0 13.0 - 10C(Cb+Ta)<1.10%
321 0.08 2.00 max 0.75 max 0.030 max 0.045 max 17.0-20.0 9.0 12.0 - 5C 0.70%

 

Mechanical Properties Stainless Steel Rods

 

Grade
Tensile Strength
Yield Strength (0.2%Offset)
Elongation
Density
MeltingPoint
SS 304 Round Bar
Psi – 75000 , MPa – 515
Psi – 30000 , MPa – 205
40%
8.0 g/cm3
1400 °C (2550 °F)
SS 202 Round Bar
515 MPa
275 MPa
40 %
8.0 g/cm3
1454 °C (2650 °F)
SS 303 Round Bar
Psi – 85,000
Psi – 45,000
50 %
55%
Rb 180
SS 304L Round Bar
Psi – 75000 , MPa – 515
Psi – 30000 , MPa – 205
40%
8.0 g/cm3
1400 °C (2550 °F)
SS 316 Round Bar
Psi – 75000 , MPa – 515
Psi – 30000 , MPa – 205
35 %
8.0 g/cm3
1454 °C (2650 °F)
SS 316L Round Bar
485 Min
170 Min.
40 %
8.0 g/cm3
1400 °C (2550 °F)

 

Physical Properties of Stainless Steel Bars

 

Tensile Psi (Mpa) Yield Psi (Mpa) Elongation Strip / Round Hardn. Reduction in Area (%)
75000 (515) 30000(205) 30 - 40
75000 (515) 30000 (250) 30 - 40
75000 (515) 30000 (250) 30 - 40
75000 (515) 30000 (250) 30 - 40
75000 (515) 30000 (250) 30 - 40
75000 (515) 30000 (250) 30 - 40