
Honesty Steel & Alloys Ltd. is a trusted Manufacturer, Exporter & Supplier of Alloy 20 Bars & Rods, offering high-quality stainless steel products for demanding industrial, engineering, fabrication, pressure vessel, petrochemical, chemical processing, power generation and high-temperature applications.
Alloy 20 Round Bars are corrosion-resistant nickel-iron-chromium alloy bars designed for demanding industrial environments. The alloy contains chromium, nickel, molybdenum and copper, providing a useful combination of corrosion resistance and mechanical strength. Alloy 20 is particularly recognized for its resistance to sulfuric acid and is therefore frequently selected for chemical-processing applications.
Alloy 20 Cold Drawn Bars are manufactured by drawing the material through dies to achieve controlled dimensions and surface characteristics. Cold drawing can provide improved dimensional accuracy and a consistent surface finish. Alloy 20 Bright Bars are precision-oriented bars characterized by improved surface finish and dimensional control compared with conventional hot-finished products. They are particularly useful for applications involving machining, automatic processing and components requiring consistent dimensions.
Alloy 20 Hex Bars feature six flat sides and are commonly selected for machining applications involving nuts, bolts, fittings and other components. Their geometry provides convenient access during machining and allows efficient material utilization for hexagonal components.
Alloy 20 Square Bars are manufactured with four equal sides and are used for fabrication, machining and general engineering applications. They offer a useful combination of corrosion resistance and structural strength.
Alloy 20 Forged Bars are produced through controlled forging processes that shape the alloy into the required dimensions. Forged bars are particularly suitable for demanding components where material integrity and reliable mechanical performance are important. Alloy 20 Threaded Rods are corrosion-resistant fastening products used where threaded connections must withstand aggressive operating environments. They can be supplied with metric or imperial threads according to application requirements.
| Parameter | Alloy 20 Bars & Rods |
|---|---|
| Product | Alloy 20 Bars & Rods |
| Alloy | Alloy 20 |
| Common Name | Carpenter 20 |
| UNS | N08020 |
| EN Material Number | 2.4660 |
| Product Forms | Bars & Rods |
| Shape | Round, Square, Hex, Flat |
| Round Bars | 5 mm to 500 mm Dia |
| Bright Bars | 5 mm to 300 mm Dia |
| Hex Bars | 5 mm to 200 mm AF |
| Square Bars | 5 mm to 200 mm |
| Flat Bars | 10 × 3 mm to 300 × 100 mm |
| Forged Bars | Custom Sizes |
| Cold Drawn Bars | Custom Sizes |
| Threaded Rods | M3 to M100 or equivalent |
| Custom Bars | As per customer drawing |
| Manufacturing | Hot Rolled, Cold Drawn, Forged |
| Finish | Bright, Pickled, Ground, Polished |
| Standard | ASTM / ASME |
| ASTM Specification | ASTM B473 |
| ASME Specification | ASME SB473 |
| Diameter | Customizable |
| Length | Customizable |
| Heat Treatment | Solution Annealed |
| Testing | PMI, Mechanical, Chemical, Dimensional and other tests as required |
| Packaging | Bundles, wooden cases or as required |
| Standard / System | Equivalent |
|---|---|
| Alloy Designation | Alloy 20 |
| UNS | N08020 |
| Werkstoff No. | 2.4660 |
| EN | NiCr20CuMo |
| AFNOR | Z2NCUD31-20AZ |
| Common Trade Name | Carpenter 20 |
| Common Alternative Designation | 20Cb-3 |
| Special Metals Designation | INCOLOY® Alloy 020 |
| Element | Composition (%) |
|---|---|
| Nickel (Ni) | 32.00–38.00 |
| Chromium (Cr) | 19.00–21.00 |
| Molybdenum (Mo) | 2.00–3.00 |
| Copper (Cu) | 3.00–4.00 |
| Carbon (C) | 0.07 max |
| Manganese (Mn) | 2.00 max |
| Silicon (Si) | 1.00 max |
| Phosphorus (P) | 0.045 max |
| Sulfur (S) | 0.035 max |
| Niobium + Tantalum | 8 × C – 1.0 |
| Iron (Fe) | Balance |
| Mechanical Property | Typical Value |
|---|---|
| Tensile Strength | 620 MPa / 90 ksi |
| Yield Strength, 0.2% Offset | 300 MPa / 45 ksi |
| Elongation | 40% |
| Young's Modulus | 193 GPa |
| Shear Modulus | 76 GPa |
| Density | 8.08 g/cm³ |
| Thermal Conductivity | 12.3 W/m·°C |
Alloy 20 Round Bars
Alloy 20 Square Bars
Alloy 20 Hexagonal Bar
Alloy 20 Threaded Rods
Alloy 20 Hollow Bars
Alloy 20 Billet
Alloy 20 Forged Bar
Alloy 20 Rods & Wires
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| Code | Description | Code | Description |
|---|---|---|---|
| CD | Cold Drawn | P | Polished |
| CG | Centreless Ground | HF | Hot Finished |
| BD | Bright Drawn | SRE | Slit Rolled Edge |
| P&T | Peeled and Turned | RT | Rough Turned / Peeled |
| CF | Cold Finished | HRAP | Hot Rolled Annealed and Pickled |
| ST | Smooth Turned | PR | Peeled and Reeled |
| US Bar | Metric | Japanese | Canadian/ASTM | ||||
|---|---|---|---|---|---|---|---|
| Diameter(Inch) | Bar Size | Diameter (millimeter) | Bar Size | Diameter (millimeter) | Bar Size | Diameter (millimeter2) | Bar Size |
| 0.250 | #2 | 5 | 5 | 6 | 6 | 100 | 10M |
| 0.375 | #3 | 5.5 | 5.5 | 10 | 10 | 200 | 15M |
| 0.500 | #4 | 6 | 6 | 13 | 13 | 300 | 20M |
| 0.625 | #5 | 7 | 7 | 16 | 16 | 500 | 25M |
| 0.750 | #6 | 8 | 8 | 19 | 19 | 700 | 30M |
| 0.875 | #7 | 9 | 9 | 22 | 22 | 1000 | 35M |
| 1.000 | #8 | 10 | 10 | 25 | 25 | 1500 | 45M |
| 1.125 | #9 | 11 | 11 | 29 | 29 | 2500 | 55M |
| 1.250 | #10 | 12 | 12 | 32 | 32 | ||
| 1.375 | #11 | 14 | 14 | 35 | 35 | ||
| 1.500 | #12 | 16 | 16 | 38 | 38 | ||
| 1.625 | #13 | 18 | 18 | 41 | 41 | ||
| 1.750 | #14 | 20 | 20 | 44 | 44 | ||
| 1.875 | #15 | 22 | 22 | 48 | 48 | ||
| 2.000 | #16 | 25 | 25 | 51 | 51 | ||
| 2.250 | #18 | 28 | 28 | 57 | 57 | ||
| 32 | 32 | ||||||
| 36 | 36 | ||||||
| 40 | 40 | ||||||
| 44 | 44 | ||||||
| 50 | 50 | ||||||
| Bar Size | kilogram / Meter | kilogram / Foot | Size | kilogram / Meter | kilogram / Foot | Size | kilogram / Meter | kilogram / Foot |
|---|---|---|---|---|---|---|---|---|
| 1/8" | 0.062 | 0.019 | 22 millimeter | 2.979 | 0.908 | 3 to 1/4" | 41.996 | 12.800 |
| 3 millimeter | 0.055 | 0.017 | 20 millimeter | 2.470 | 0.753 | 3" | 35.762 | 10.900 |
| 4 millimeter | 0.098 | 0.030 | 24 millimeter | 3.543 | 1.080 | 3 to 3/4" | 55.780 | 17.001 |
| 5/32" | 0.095 | 0.029 | 7/8" | 3.038 | 0.926 | 3 to 1/2" | 48.772 | 14.850 |
| 5 millimeter | 0.154 | 0.047 | 1" | 3.970 | 1.210 | 4 to 1/4" | 72.249 | 21.908 |
| 3/16" | 0.141 | 0.043 | 25 millimeter | 3.871 | 1.180 | 4" | 63.340 | 19.306 |
| 6 millimeter | 0.223 | 0.068 | 27 millimeter | 4.490 | 1.368 | 4 to 3/4" | 90.249 | 27.366 |
| 7/32" | 0.190 | 0.058 | 26 millimeter | 4.170 | 1.271 | 4 to 1/2" | 80.340 | 24.4487 |
| 7 millimeter | 0.298 | 0.091 | 30 millimeter | 5.548 | 1.691 | 5 to 1/2" | 121.000 | 36.690 |
| 1/4" | 0.249 | 0.076 | 1 to 1/8" | 5.033 | 1.534 | 5" | 99.940 | 30.461 |
| 8 millimeter | 0.398 | 0.120 | 32 millimeter | 6.314 | 1.894 | 6 to 1/2" | 167.630 | 51.093 |
| 5/16" | 0.387 | 0.118 | 1 to 1/4" | 6.349 | 1.924 | 6" | 143.900 | 43.860 |
| 3/8" | 0.557 | 0.170 | 35 millimeter | 7.553 | 2.390 | 7 to 1/2" | 225.000 | 68.226 |
| 9 millimeter | 0.498 | 0.152 | 1 to 3/8" | 7.550 | 2.303 | 7" | 196.000 | 59.432 |
| 11 millimeter | 0.748 | 0.228 | 38 millimeter | 8.903 | 2.792 | 10" | 397.140 | 121.048 |
| 10 millimeter | 0.620 | 0.189 | 36 millimeter | 7.999 | 2.438 | 8" | 254.55 | 77.586 |
| 12 millimeter | 0.889 | 0.271 | 40 millimeter | 9.872 | 3.009 | |||
| 7/16" | 0.761 | 0.232 | 1 to 1/2" | 8.951 | 2.715 | |||
| 13 millimeter | 1.043 | 0.318 | 1 to 3/4" | 12.179 | 3.712 | |||
| 1/2" | 0.994 | 0.303 | 1 to 5/8" | 10.449 | 3.200 | |||
| 9/16" | 1.256 | 0.383 | 1 to 7/8" | 13.977 | 4.260 | |||
| 14 millimeter | 1.207 | 0.368 | 45 millimeter | 12.555 | 3.807 | |||
| 5/8" | 1.551 | 0.473 | 50 millimeter | 15.414 | 4.698 | |||
| 15 millimeter | 1.391 | 0.424 | 48 millimeter | 14.205 | 4.330 | |||
| 17 millimeter | 1.791 | 0.543 | 2 to 1/8" | 17.963 | 5.475 | |||
| 16 millimeter | 1.578 | 0.481 | 2" | 15.906 | 4.848 | |||
| 18 millimeter | 2.001 | 0.610 | 60 millimeter | 22.205 | 6.768 | |||
| 11/16" | 1.880 | 0.573 | 2 to 1/4" | 20.128 | 6.135 | |||
| 3/4" | 2.237 | 0.682 | 2 to 3/8" | 22.435 | 6.838 | |||
| 2 to 1/2" | 24.856 | 7.576 | ||||||
| 2 to 5/8" | 27.409 | 8.354 | ||||||
| 2 to 3/4" | 30.083 | 9.169 |
| Diameter or Width (mm) |
Weight per meter | Sectional Area | Perimeter | |||
|---|---|---|---|---|---|---|
| Square (kg) |
Round (kg) |
Square (cm²) |
Round (cm²) |
Square (cm) |
Round (cm) |
|
| 5.0 | 0.20 | 0.15 | 0.25 | 0.20 | 2.0 | 1.57 |
| 5.5 | 0.24 | 0.19 | 0.30 | 0.24 | 2.2 | 1.78 |
| 6.0 | 0.28 | 0.22 | 0.36 | 0.28 | 2.4 | 1.88 |
| 7.0 | 0.38 | 0.30 | 0.49 | 0.38 | 2.8 | 2.20 |
| 8.0 | 0.50 | 0.39 | 0.64 | 0.50 | 3.2 | 2.51 |
| 9.0 | 0.64 | 0.50 | 0.81 | 0.64 | 3.6 | 2.83 |
| 10 | 0.73 | 0.63 | 1.00 | 0.79 | 4.0 | 3.14 |
| 11 | 0.95 | 0.75 | 1.21 | 0.95 | 4.4 | 3.46 |
| 12 | 1.13 | 0.89 | 1.44 | 1.13 | 4.8 | 3.77 |
| 14 | 1.54 | 1.21 | 1.96 | 1.54 | 5.6 | 4.40 |
| 16 | 2.01 | 1.58 | 2.56 | 2.01 | 6.4 | 5.03 |
| 18 | 2.54 | 2.00 | 3.24 | 2.54 | 7.2 | 5.65 |
| 20 | 3.14 | 2.47 | 4.00 | 3.14 | 8.0 | 6.28 |
| 22 | 3.80 | 2.98 | 4.84 | 3.80 | 8.8 | 6.91 |
| 25 | 4.91 | 3.85 | 6.25 | 4.91 | 10.0 | 7.85 |
| 28 | 6.15 | 4.83 | 7.84 | 6.16 | 11.2 | 8.80 |
| 32 | 8.04 | 6.31 | 10.24 | 8.04 | 12.8 | 10.05 |
| 36 | 10.17 | 7.99 | 12.96 | 10.18 | 14.4 | 11.31 |
| 40 | 12.56 | 9.86 | 16.00 | 12.57 | 16.0 | 12.57 |
| 45 | 15.90 | 12.49 | 20.25 | 15.90 | 18.0 | 14.14 |
| 50 | 19.62 | 15.41 | 25.00 | 19.64 | 20.0 | 15.71 |
| 56 | 24.62 | 19.34 | 31.36 | 24.63 | 22.4 | 17.59 |
| 63 | 31.16 | 24.47 | 36.69 | 31.17 | 25.2 | 19.79 |
| 71 | 39.57 | 31.08 | 50.41 | 39.59 | 28.4 | 22.31 |
| 80 | 50.24 | 39.46 | 64.00 | 50.27 | 32.0 | 25.13 |
| Size in Inches | Wt per Ft | Wt per 12′ |
|---|---|---|
| 3/16″ | 0.104 | 1.248 |
| 1/4″ | 0.180 | 2.160 |
| 5/16″ | 0.290 | 3.480 |
| 3/8″ | 0.420 | 4.920 |
| 7/16″ | 0.560 | 6.72 |
| 1/2″ | 0.740 | 8.880 |
| 9/16″ | 0.930 | 11.16 |
| 5/8″ | 1.150 | 13.80 |
| 11/16″ | 1.390 | 16.68 |
| 3/4″ | 1.660 | 19.92 |
| 13/16″ | 1.950 | 23.40 |
| 7/8″ | 2.300 | 27.60 |
| 15/16″ | 2.600 | 31.20 |
| 1″ | 2.90 | 34.80 |
| 1-1/16″ | 3.30 | 39.60 |
| 1-1/8″ | 3.700 | 44.40 |
| 1-1/4″ | 4.600 | 55.20 |
| 1-5/16″ | 5.100 | 61.20 |
| 1-3/8″ | 5.600 | 67.20 |
| 1-7/16″ | 6.100 | 73.20 |
| 1-1/2″ | 6.600 | 79.20 |
| 1-5/8″ | 7.800 | 93.60 |
| 1-3/4″ | 9.030 | 108.36 |
| 1-7/8″ | 10.400 | 124.80 |
| 2″ | 11.80 | 141.60 |
| 2-1/4″ | 14.920 | 179.04 |
| 2-3/8″ | 16.920 | 203.04 |
| 2-1/2″ | 18.42 | 221.04 |
| 3″ | 26.53 | 318.36 |
| Square bar Size | KG’s per Metre | Standard Length (metres) | Colour Code |
|---|---|---|---|
| 10 x 10 | 0.81 | 6.0 | Yellow |
| 12 x 12 | 1.16 | 6.0 | Pink |
| 16 x 16 | 2.06 | 6.0 | Grey |
| 20 x 20 | 3.22 | 6.0 | Green |
| 25 x 25 | 5.03 | 6.0 | Purple |
| 32 x 32 | 8.24 | 6.0 | Orange |
| 40 x 40 | 12.8 | 6.0 | Yellow |
| 50 x 50 | 20.12 | 6.0 | Green |
| Flat Bar Sizes in mm | Flat Bar Size (inch) | Flat Bar Thickness (mm) | Flat Bar Thickness (in Inches) |
|---|---|---|---|
| 22 | 7/8 | 17 & 18 | 2/3 – 5/7 |
| 25 | 1 | 5 to 20 | 3/16 – 4/5 |
| 30 | 1-3/16 | 5 to 20 | 3/16 – 4/5 |
| 32 | 1-1/4 | 6 to 20 | 1/4 – 4/5 |
| 35 | 1-3/8 | 5 to 20 | 3/16 – 3/16 |
| 40 | 1-4/7 | 5 to 25 | 3/16 – 1 |
| 45 | 1-7/9 | 5 to 25 | 3/16 – 1 |
| 47 | 1-6/7 | 17,25 & 32 | 2/3, 1 & 1-1/4 |
| 50 | 2 | 5 to 32 | 3/16 – 1-1/4 |
| 55 | 2-1/16 | 5 to 25 | 3/16 – 1 |
| 57 | 2-1/4 | 32 | 1-1/4 |
| 60 | 2-3/8 | 5 to 35 | 3/16 – 1-3/8 |
| 63 | 2-1/2 | 10 to 30 | 3/8 – 1-3/16 |
| 65 | 2-5/9 | 10 to 30 & 35 | 3/8 – 1-3/16, & 1-3/8 |
| 70 | 2-3/4 | 6 to 25 & 40 | 1/4 – 1, & 1-4/7 |
| 75 | 3 | 8 to 25 | 5/16 – 1 |
| 80 | 3-1/8 | 8 to 20 | 5/16 – 4/5 |
| 90 | 3-1/2 | 8 to 20 | 5/16- 4/5 |
| 100 | 4 | 8, 10, 12 | 5/16, 3/8, 1/2 |