Nascent Pipe & Tubes offers a widespread collection of Alloy 20 Screws, where our complete product collection is used in wide – ranging industrial sectors. Our Alloy 20 Hex Head Screws is a columbium steadied material that merges outstanding corrosion resistance by means of high mechanical features and moderately easy fabrication. These Alloy 20 Socket Head Cap Screws (UNS N08020) is a nickel – chromium – iron based and austenitic super alloy by means of accompaniments of Molybdenum and Copper that offer resistance to hostile atmospheres, crevice corrosion and pitting.
Precisely to endure sulfuric acid, molybdenum, copper, nickel and chromium stages of our Alloy 20 Socket Set Screws offer outstanding all – purpose corrosion resistance. Meanwhile, these Alloy 20 Anchore Screws are also being offered in different sizes and shapes to our customers, where we also offer the same at market leading prices.
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Our Alloy 20 Blind Rivet Screws also proves adequate resistance to nitric acid, concentrated sulfuric acid, dilute acetic acid and naphtha. At 33 % nickel, these Alloy 20 Concrete Screws has practical immunity to chloride stress corrosion cracking.
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Our Alloy 20 Threaded Screws is often chosen to solve stress corrosion cracking problems, which may perhaps occur with 316L stainless. These Alloy 20 Panel Screws is normally used in the annealed condition, where annealing is done at 1800 Degree F – 1850 Degree F (982 Degree C – 1010 Degree C) / for a time commensurate with section size.
Alloy 20 Screws Specifications
Specifications |
ASTM B 366 ASME SB 366 |
Standard |
IS, ASTM, BS and all International Standards |
Length |
3 mm to 200 mm |
Size |
M3 – M56 | 3/6″ to 2″ | Custom Sizes |
Type |
Hex Head Screw, Socket Head Cap Screw, Socket Set Screws, Anchor Screw, Blind Rivet, Concrete screw, Threaded Screw, Steel Shoulder Screw, Panel Screw, Machine Screw. |
Alloy 20 Screw Chemical Composition
Alloy 20 |
Ni |
C |
Mo |
Mn |
Si |
Fe |
Cu |
S |
P |
Cr |
32 – 38 |
0.02 max |
2 – 3 |
1 – 2 |
0.7 max |
Bal |
3 – 4 |
0.005 max |
0.02 max |
19 – 21 |
Alloy 20 Screw Mechanical Properties
Density |
Melting Point |
Yield Strength (0.2%Offset) |
Tensile Strength |
Elongation |
8.1 g/cm3 |
1443 °C (2430 °F) |
Psi – 35000 , MPa – 241 |
Psi – 80000 , MPa – 551 |
30 % |
Equivalent Grades for 20 Alloy Screw
STANDARD |
UNS |
WERKSTOFF NR. |
AFNOR |
EN |
JIS |
BS |
GOST |
Alloy 20 |
N08020 |
2.4660 |
Z2NCUD31-20AZ |
NiCr20CuMo |
– |
– |
– |
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