Stainless Steel Class 2 and Class 2B Round Bars


Vishwa Stainless Pvt. Ltd. specializes in manufacturing Class-2 / Strain Hardened / High Tensile Bright Round Bars and Class 2B Bars.

Vishwa Stainless Pvt. Ltd. is a leading manufacturer of stainless steel Class 2 and Class 2B round bars also known as strain hardened or high tensile bars, with industrial denotation as ASTM A193/A193M-11.

This standard stainless steel material is specified for corrosion resistance 316 stainless steel fasteners such as screws, bolts, threaded rods, and other externally threaded parts. Tensile in high temperatures and standard purpose applications include pressure piping and pressure vessel bolting. Because of its easy handling of carbide solutions, it is also widely used in high temperatures or high-pressure services such as chemical composition, heated fluids handling industries, and other special purpose applications.

Assembled with an authentic structure, these classes assure excellent toughness even at thermogenic temperatures. Even from the heat rise of 1040-1120ºC, Class 2 and Class 2B stainless steel round bars don't get hardened and even cool down in just a few minutes, that uplift the tensile strength and industries working.

Why Vishwa Stainless Steel Pvt. Ltd's Stainless Steel Class-2 Round Bars?
  • Corrosion resistance bars quality
  • ISO & PED Certified Company
  • High tensile strength
  • 500+ Happy Clients From 40+ Countries
  • Advanced Processing Line
  • Leading manufacturers of Stainless Steel Bright Bars

  • Stainless steel bright class-2 round bars by Vishwa Stainless Steel Pvt. Ltd are manufactured to meet different requirements of industries only, by offering various grades and different sizes of Stainless steel bright class-2 round bars. Our premium range of stainless steel bright class -2 bars include stainless steel round bars, stainless steel rod, and other bright bars.

    Size: 5.00 MM to 105 MM
    Tolerance: h8, h9, k12, k13
    Standard: As per EN, DIN, JIS, ASTM, BS, ASME, AISI, etc.
    Length: 1 to 6 meters & as per customer requirement
    Finish: Cold Drawn, Centreless Ground, Peeled & Polished, Rough Turned
    Background of Class 2 Stainless Steel

    ASTM A193 Grade B8M Class 2 is a carbine solution, and strain hardened form of 316/316L stainless steel, with a higher tensile strength of 100 ksi or 690 MPa and 125 ksi or 860 MPa and maximum hardness of 321 HBW or 35HRC and chemical composition specifications.

    Due to its austenitic structure, it even helps at down to cryogenic temperatures with:

  • Excellent toughness
  • Welding Capabilities
  • High Strength

  • In these grades, solution annealing is done with heat treatment temperatures from 1040ºC to 1120ºC which cools down rapidly. Class 2 stainless steel cold working primarily benefits it with an enhanced level of tensile strength.

    Chemical Composition (B8M CLASS 2):

    To know the chemical composition of 316 stainless steel, please read the attributes mentioned below:

    Grade C Mn P S Si Cr Ni Mo
    B8M Min - - - - - 16.0 10.0 2.0
    Max 0.08 2.00 0.045 0.03 1.00 18.0 14.0 3.0
    316 Min - - 0 - - 16.0 10.0 2.00
    Max 0.08 2.0 0.045 0.03 0.75 18.0 14.0 3.00
    316L Min - - - - - 16.0 10.0 2.00
    Max 0.03 2.0 0.045 0.03 0.75 18.0 14.0 3.00
    316H Min 0.04 0.04 - - 0 16.0 10.0 2.00
    Max 0.10 0.10 0.045 0.03 0.75 18.0 14.0 3.00
    Chemical Composition (B8 CLASS 2)

    The chemical composition of 304 stainless steel are as follows:

    Grade C Mn P S Si Cr Ni
    B8 - - - - - - -
    Max 0.08 2.0 0.045 0.03 1.0 20.0 11.0
    304 Min - - - - - 18.0 8.0
    Max 0.08 2.0 0.045 0.03 0.75 20.0 10.5
    304L Min - - - - - 18.0 8.0
    Max 0.03 2.0 0.045 0.03 0.75 20.0 12.0
    304H Min 0.04 - - - - 18.0 8.0
    Max 0.10 2.0 0.045 0.03 0.75 20.0 10.5
    Mechanical Properties (B8/B8M CLASS-2)

    Get to know the "normal" Mechanical properties of B8/B8M CLASS-2:

    Grade Size Dia (") Size Dia (mm) Tensile Strength (MPa) min Yield Strength 0.2% Proof (MPa) min Elong (% in 4D min) Red of Area (% min) Hardness (HRC max)
    B8/B8MCL2 <= 3/4 <=19.05 758 655 15 45 35
    B8/B8MCL2 > 3/4 <=1 >19.05 <=25.4 690 550 20 45 35
    B8/B8MCL2 > 1 <= 1.1/4 >25.4 <= 31.75 655 450 25 45 35
    B8/B8MCL2 > 1.1/4 <= 1./12 >31.75 <=38.1 620 345 30 45 35
    B8/B8MCL2 > 1.1/2 <=2 >38.1 <=50.8 655 515 25 40 35
    B8/B8MCL2 >2 <=2.1/2 >50.8 <=63.5 620 450 30 40 35
    B8/B8MCL2B >2.1/2 <= 3 >63.5 <=76.2 550 380 30 40 35
    Physical Properties

    Typical physical properties for 316/316L & 304/304L grade stainless steel:

    Grade Density(kg/m³) Elastic Modulus (GPa) Mean Co-eff of Thermal Expansion (μm/m/°C) Thermal Conductivity (W/m.K) Specific Heat 0-100 °C (J/kg.K) Elec Resistivity (nΩ.m)
    0-1 | 0-3 | 0-5
    00 | 15 | 38
    °C | °C | °C
    At 100 °C
    316/L/H 8000 193 1 | 1 | 1
    5. | 6. | 7.
    9 | 2 | 5
    16. | 21.
    3 | 5
    500 740
    Applications
  • Automobile industries
  • Heavy engineering
  • Textile industries
  • Electric motors
  • Industrial pumps
  • Agriculture Section
  • Oil & petroleum
  • Aerospace
  • Architectural applications
  • Defense
  • Valve Manufacturing
  • Bearing manufacturing and many more
  • For any special range requirement of grades and sizes or stainless steel bar price list, call us today! +91-72111 24478

    We manufacture export quality stainless steel class-2 round bars and supply our ss bright class-2 round bars in Australia, Germany, Italy, Poland, Spain, Netherlands, UAE (United Arab Emirates), Turkey, UK, USA, Canada, Lebanon, Iran, Saudi Arabia, Denmark, Mexico, Bangladesh, etc.

    Solution Providers For Stainless Steel Class-2 and Class-2B Bars Across World.

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