Low carbon alloy with a nickel basis, Carpenter 20 Material Bar. A stainless steel of the austenitic class is alloy 20 UNS N08020 Rods. Alloy 20 is composed of nickel with the addition of chromium, molybdenum, copper, iron, and niobium. This austenitic grade of stainless steel can be stabilised by adding niobium during the production of Nickel Alloy 20 Bar Material.
Table of Content
Alloy 20cb3 Bar, which bears the same name, is designated Cb-3, which denotes columbium stabilization. Because the ASTM B473 N08020 Alloy 20 contains niobium, less carbide precipitates in the heat affected zone, allowing for use in the "as welded" condition. Other than oxyacetylene welding, Alloy 20 UNS N08020 Rods can be joined using any conventional welding technique without the need for preheating.
Due to the inclusion of copper in the alloy, ASTM B473 N08020 Alloy 20 has high resistance to hot sulfuric acid, which is one of its features. In fact, when compared to more traditional stainless steels like grade 316, the is known to perform particularly well in resisting hot sulfuric acids. The ASTM B473 Alloy 20 is used in petrochemical, chemical, power generation, and plastics industrial applications since it was created for applications involving sulfuric acid.
The Alloy 20 Flat Bar exhibits outstanding resistance to acids including phosphoric and nitric acid in addition to sulphuric acid. Additionally, Alloy 20 performs well mechanically and at both low and high temperatures. Incoloy Alloy 20 Bar offers superior resistance against localised corrosion like pitting and chlorine ion corrosion than grade 304 stainless steel. While grade 304 stainless steel has a stronger resistance to pitting than alloy 20, grade 316L has a similar quality.
In order to address issues with stress-related corrosion cracking that may arise with the traditional 316L stainless steel, alloy 20 bar stock is frequently substituted with 316L grade of stainless steel. Although the Nickel Alloy 20 Bar Material can be heated to 2100 F or 1149 C by the Alloy 20 Bar suppliers to achieve maximum ductility, doing so will negatively impact the alloy's stability.


| Specification | ASTM B473 UNS N08020, ASTM B462 ASTM B472 ASME SB472 ASTM B473 ASME SB473 |
|---|---|
| Grade | Alloy 20 – UNS N08020 |
| UNS N08020 Hex Bar size | 2-100mm A/F |
| ASTM b473 Alloy 20 Round bar size | Diameter: 3-~20mm |
| ASTM b473 Alloy 20 Square bar size | 4 to 100mm |
| N08020 Flat bar size | Thickness: 2 -100mm |
| Width: 10 to 500mm | |
| Alloy 20 Rectangles Size | 33 x 30mm to 295 x 1066mm |
| ASTM b473 N08020 Angle bar size | 3mm*20mm*20mm~12mm*100mm*100mm |
| UNS N08020 Section | 3.0 to 12.0mm thickness |
| Alloy 20 Channel Bar | 80 x 40mm to 150 x 75mm section; 5.0 to 6.0mm thickness |
| N08020 Hollow Bar | 32mm OD x 16mm ID to 250mm OD x 200mm ID) |
| ASTM b473 N08020 Billet Size | 1/2" to 495mm Diameter |
| Round Bar Standard Dimensions | Diameter / Height: |
| Finish | Cold (bright) drawn, centreless ground, hot rolled, smooth turned, peeled, slit rolled edge, hot rolled annealed, Rough Turned, Bright, Polish, Grinding, Centreless Ground & Black |
| Tolerance | H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients’ requirements |
| Surface | Hot Rolled Pickled, Bright, Sand Blasting Finished, Cold Drawn, Hairline, Polished |
| Condition | Hardened & tempered, annealed |
| Technique | Alloy 20 Cold Drawn, Hot Rolled, Forged Round Bar,Cold Rolled, Rod |
| Processing | Bar cutting to 650mm |
| Form | Alloy 20 Round, Welding Rod, T-Bar, Rod, Precision Ground Bar, Channel Bar, Square, Flat Bar, Blocks, Round Rod, Hollow, Rings, Rectangle, Hex (A/F), Triangle, Threaded, Profiles, Billet, Ingot, I/H Bar, Half Round Bar, Forging etc. |
| Our stockyad location for fast delivery across India | Hyderabad, Noida, Shivamogga, Pimpri-Chinchwad, Agra, Coimbatore, Chennai, Tiruchirappalli, Tirunelveli, Bhubaneswar, Mumbai, Pune, Bengaluru, Ahmedabad, Thiruvananthapuram, Dhanbad, Navi Mumbai |
| Our Alloy 20 Round bar conforms to NACE MR0175/ISO 15156 | |
H&T |
Hardened and tempered. |
ANN |
Annealed |
PH |
Precipitation hardened. |
Alloy 20 Bar Price
Alloy 20 Round Bar Price in India |
Quantity |
PRICE |
|---|---|---|
Price of Incoloy Alloy 20 Hex Bar / Rod 10 (A/F) x 1000mm Length |
1 |
$101.16 |
Price of Incoloy Alloy 20 Hex Bar / Rod 10 (A/F) x 1000mm Length |
3 |
$257.52 |
Price of Incoloy Alloy 20 Hex Bar / Rod 10 (A/F) x 1000mm Length |
5 |
$366.11 |
Price of Incoloy Alloy 20 Hex Bar / Rod 10 (A/F) x 2000mm Length |
1 |
$182.65 |
Price of Incoloy Alloy 20 Hex Bar / Rod 10 (A/F) x 2000mm Length |
3 |
$425.12 |
Price of Incoloy Alloy 20 Round Bar 10.0 dia x 500mm long |
1 |
£65.00 |
Price of Incoloy Alloy 20 Round Bar 10.0 dia x 500mm long |
2 |
£94.00 |
Price of Incoloy Alloy 20 Round Bar 10.0 dia x 500mm long |
3 |
£128.00 |
Price of Incoloy Alloy 20 Round Bar 10.0 dia x 500mm long |
4 |
£154.00 |
Price of Incoloy Alloy 20 Round Bar 10.0 dia x 500mm long |
5 |
£176.00 |
Price of Incoloy Alloy 20 Round Bar 10.0 dia x 1000mm long |
1 |
£81.00 |
Price of Incoloy Alloy 20 Round Bar 10.0 dia x 1000mm long |
2 |
£129.00 |
Price of Incoloy Alloy 20 Round Bar 10.0 dia x 1000mm long |
5 |
£265.00 |
Price of Incoloy Alloy 20 Round Bar 10.0 dia x 2000mm long |
1 |
£121.00 |
Price of Incoloy Alloy 20 Round Bar 10.0 dia x 2000mm long |
2 |
£202.00 |
*Approx price, please contact for final price.
















|
|
| Grade | Ni | Fe | Cr | Cu | Mo | Nb | C | Mn | P | S | Si |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Alloy 20 | 32 – 38 | Bal | 19 – 21 | 3 – 4 | 2 – 3 | 0.1 – 0.3 | 0.02 max | 1 – 2 | 0.02 max | 0.005 max | 0.7 max |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
|---|---|---|---|---|
| 8.1 g/cm3 | 1443 °C (2430 °F) | Psi – 80000 , MPa – 551 | Psi – 35000 , MPa – 241 | 30 % |
| STANDARD | WERKSTOFF NR. | UNS | GOST | AFNOR | JIS | BS | OR | EN |
|---|---|---|---|---|---|---|---|---|
| Alloy 20 | 2.4660 | N08020 | - | Z2NCUD31-20AZ | - | - | - | NiCr20CuMo |
Alloy 20 Bright Bar |
Inconel Alloy 20 Bright Bar |
UNS N08020 Inconel Bright Bar |
WERKSTOFF NR. 2.4660 Bright Bar |
Nickel Alloy 20 Hexagonal Bar |
Nickel Alloy 20 Hex Bar |
Alloy 20 Square Bar |
Nickel Alloy 20 Square Bars |
UNS N08020 Inconel Hexagonal Bar |
ASTM B473 Nickel Alloy 20 Hex Bar |
ASTM B473 Nickel Alloy 20 Bright Bar |
Alloy 20 Hex Bar |
WERKSTOFF NR. 2.4660 Square Bar |
ASTM B473 Nickel Alloy 20 Square Bars |
Nickel Alloy 20 Square Bar |
UNS N08020 Inconel Square Bar |
Alloy 20 Rectangular Bar |
Nickel Alloy 20 Rectangular Bars |
Alloy 20 Flat Bar |
Nickel Alloy 20 Flat Bars |
Nickel Alloy 20 Rectangular Bar |
UNS N08020 Inconel Rectangular Bars |
WERKSTOFF NR. 2.4660 Rectangular Bar |
ASTM B473 Nickel Alloy 20 Rectangular Bar |
Alloy 20 Shaft |
UNS N08020 Inconel Forged Rod |
WERKSTOFF NR. 2.4660 Flat Bars |
ASTM B473 Nickel Alloy 20 Flat Bars |
Nickel Alloy 20 Polished Bar |
UNS N08020 Inconel Polished Bars |
Alloy 20 Polished Bar |
Nickel Alloy 20 Polished Bars |
WERKSTOFF NR. 2.4660 Polished Bar |
ASTM B473 Nickel Alloy 20 Polished Bar |
WERKSTOFF NR. 2.4660 Threaded Bar |
ASTM B473 Nickel Alloy 20 Forged Bar |
Nickel Alloy 20 Threaded Bar |
UNS N08020 Inconel Threaded Bar |
Alloy 20 Threaded Bar |
Nickel Alloy 20 Threaded Bars |
Nickel Alloy 20 T-Bar |
UNS N08020 Inconel T-Bar |
Nickel Alloy 20 Hollow Bar |
Nickel Alloy 20 Hollow Bar |
ASTM B473 Nickel Alloy 20 T-Bar |
Alloy 20 Hollow Bar |
Alloy 20 T-Bar |
Nickel Alloy 20 T-Bar |
Alloy 20 Precision Ground Stock |
Nickel Alloy 20 Precision Ground Stock |
UNS N08020 Inconel Hollow Bar |
ASTM B473 Nickel Alloy 20 Hollow Bar |
Nickel Alloy 20 Precision Ground Stock |
UNS N08020 Inconel Precision Ground Stock |
UNS N08020 Inconel Triangle bar |
ASTM B473 Nickel Alloy 20 Triangle bar |
UNS N08020 Inconel Rod |
ASTM B473 Nickel Alloy 20 Rod |
Nickel Alloy 20 Rod |
Nickel Alloy 20 Rod |
ASTM B473 Nickel Alloy 20 Precision Ground Stock |
Alloy 20 Rod |
Nickel Alloy 20 Rounds |
UNS N08020 Inconel Rounds |
Nickel Alloy 20 Half-Round Bar |
Nickel Alloy 20 Half-Round Bar |
ASTM B473 Nickel Alloy 20 Rounds |
Alloy 20 Half-Round Bar |
Alloy 20 Precision Ground Bar |
Nickel Alloy 20 Precision Ground Bar |
UNS N08020 Inconel Half-Round Bar |
ASTM B473 Nickel Alloy 20 Half-Round Bar |
Alloy 20 Rounds |
Nickel Alloy 20 Rounds |
ASTM B473 Nickel Alloy 20 Precision Ground Bar |
Alloy 20 Triangle bar |
Nickel Alloy 20 Precision Ground Bar |
UNS N08020 Inconel Precision Ground Bar |
Nickel Alloy 20 Triangle bar |
Nickel Alloy 20 Triangle bar |
Type |
SIZES (mm) |
SIZES (Inches) |
ISO Tolerance |
|---|---|---|---|
Cold Drawn and Polish |
3.00 - 75.00 |
1/8 - 3.00 |
h8-h9-h10-h11 |
Cold Drawn and Ground |
10.00 - 75.00 |
5/6 - 2.50 |
h8-h9-h10-h11 |
Peeled and Polished |
40.00 - 150.00 |
1.50 - 6.00 |
h11, h11-DIN 1013 |
Peeled and Ground |
20.00 - 50.00 |
3/4 - 2.00 |
h9-h10-h11 |
Alloy 20 Bars Standard lengths of 2010 mm up to 200 mm. Cut to size on request (tolerance +2/-0 mm).
5.0 |
45.0 |
6.0 |
50.0 |
7.0 |
55.0 |
8.0 |
60.0 |
9.0 |
65.0 |
10.0 |
70.0 |
12.0 |
75.0 |
16.0 |
80.0 |
20.0 |
90.0 |
25.0 |
100.0 |
30.0 |
130.0 |
35.0 |
160.0 |
40.0 |
201.0 |
CD |
Cold drawn |
P |
Polished |
BD |
Bright drawn |
SRE |
Slit rolled edge |
CG |
Centreless ground |
HF |
Hot finished |
CF |
Cold finished |
HRAP |
Hot rolled annealed and pickled |
P&T |
Peeled and turned |
RT |
Rough turned/peeled |
ST |
Smooth turned |
PR |
Peeled and reeled |
