Alloy 20 Round Bar

ASME SB473 Alloy 20 Cold Drawn Bar, ASTM B473 Alloy 20 Flat Bar, ASTM B473 Alloy 20 Bright Bar, UNS N08020 Hex Bar, DIN 2.466 Polished Bar, DIN 2.466 Peeled Round Bar, UNS N08020 Half Round Bar, ASTM B473 Alloy 20 Threaded Bar, ASME SB473 Alloy 20 Hot Rolled Bar, DIN 2.466 Deformed Bar.

Alloy 20 round bar is a steel product valued across industries like chemical processing and power generation for its excellent corrosion resistance and high strength at extreme temperatures up to 1800 degrees Fahrenheit. This metal round bar contains high levels of chromium, nickel and copper, which interact to form a rugged protective surface film able to withstand caustic chemicals.

The material resists cracking, pitting, and acid corrosion far better than common steel, making it perfect for demanding applications exposed to harmful compounds, gases, contaminated water, and salt air. Components machined from ASTM B473 Alloy 20 Threaded bar survive where normal carbon steel would rapidly degrade. 

This unique combination of properties allows the metal to outlast other alloys in pipes, valves, pumps, fasteners, and critical parts that face environmental corrosion. In chemical and petrochemical plants utilizing heat exchangers, reactors and condensers, ASTM B473 Alloy 20 flat bar is the top choice to fabricate vital equipment parts continuously interacting with harsh chemicals at high temperatures and pressures. The round bar’s high melting point keeps strength intact even when things get hot enough to distort other metals. This stability makes Alloy 20 round bar useful in extreme heat environments.

Alloy 20 round bar has roughly twice the thermal conductivity of stainless steel. This accelerates heat transfer, which improves efficiency and performance in heat exchangers. It also resists scaling and fouling, which helps maintain operating capacity. The ease of welding and forming Alloy 20 makes repairs simpler than exotic alloys.

While costlier than carbon steel, UNS N08020 Hex Bar deliver long-term value from extended service life and reliability. The corrosion resistance minimizes downtime for replacements and maintenance. This speciality alloy is utilized across oil refining, pulp and paper, waste treatment, chemical manufacture, and anywhere parts face corrosion.


Specification Of Alloy 20 Round Bar

SpecificationsASTM B473 / ASME SB473
StandardDIN, ASTM, BS and all International Standards
Thickness50 mm to 6000 mm Long
Length1 To 6 Meters, Custom Cut Length
FormRound, Square, Hex(A/F), Rectangle, Billet, Ingot, Forging Etc.

Price List Of Alloy 20 Round Bar

  • ASTM B473 Alloy 20 Bright Bar US $20 - $25 / Kg
  • UNS N08020 Hex Bar US $23 - $24 / Kg
  • DIN 2.466 Square Bar US $22 - $23 / Kg
  • ASME SB473 Alloy 20 Rectangular Bar US $24 - $25 / Kg
  • ASTM B473 Alloy 20 Threaded Bar US $21 - $22 / Kg

Equivalent Grades Of Alloy 20 Round Bar

Alloy 202.4660N08020NiCr20CuMoZ2NCUD31-20AZ

Chemical Composition Of Alloy 20 Round Bar

Alloy 200.07 max2.00 max1.00 max0.035 max3.00 – 4.0032.00 – 38.0019.00 – 21.0029.85 min*2.00 – 3.000.045 max

Mechanical Properties Of Alloy 20 Round Bar

ElementDensityMelting PointTensile StrengthYield Strength (0.2%Offset)Elongation
Alloy 208.1 g/cm31443 °C (2430 °F)Psi -80,000, MPa -551Psi – 35,000, MPa – 24130 %

Different Types Of Alloy 20 Round Bar

ASTM B473 Alloy 20 Bright Bar
UNS N08020 Hex Bar
DIN 2.466 Square Bar
ASME SB473 Alloy 20 Rectangular Bar
ASTM B473 Alloy 20 Threaded Bar
UNS N08020 Black Bar
DIN 2.466 Peeled Round Bar
ASME SB473 Alloy 20 Cold Drawn Bar
ASTM B473 Alloy 20 Flat Bar
UNS N08020 Hexagonal Bar
DIN 2.466 Polished Bar
ASME SB473 Alloy 20 Hot Rolled Bar
ASTM B473 Alloy 20 Triangle Bar
UNS N08020 Half Round Bar
DIN 2.466 Deformed Bar

Our Manufacturing Process Of Alloy 20 Round Bar

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