Alloy 20 Fasteners Specification

Authorized UNS N08020 Bolt and Nuts Manufacturer in India

Alloy 20 Fasteners Key Points
Ready Stock: M02 to M33
Custom Sizes: Up to 3″
Length: 3mm to 200mm
International Standard: DIN 933, DIN 970, ASME B18 2.2 DIN 931 and ASME B18 2.1
European and American Standard: ASTM B472, ASME SB 472, UNS N08020, WNR 2.4660
Raw Material Origin: SA, Europe, New Zealand, Algeria, United Kingdom, Morocco, South Africa, New Zealand, Australia India etc
MTC: EN 10204/3.1B
Suitable Environment: Salt Water and Mild Acids
Thread Pitch: Fine Thread and Coarse Thread
Finish: Oxidation, HDG, Phosphating
Threads: UNC, UNJ, UNF, UNR, Rolled
Temperature Range: Up to 1000°F
To Know About Latest Price List of Alloy 20 Bolts Please Contact Us

Alloy 20 Bolt

Alloy 20 Bolt

ASTM B564 UNS N08020 Nuts

ASTM B564 UNS N08020 Nuts

Nickel Alloy 20 Washer

Nickel Alloy 20 Washer

 

Visionalloys is the most popular for its quality Alloy 20 Fasteners. We are supplying alloy 20 fasteners in almost every country such that no client remains unsatisfied. Alloy 20 Fasteners are used in various industries, which are typically austenite, based on iron, alloy offers great corrosion resistance. The Chemical and food processing industries are the primary users of Alloy 20Cb3 Fasteners. Ease in fabrication is the crucial property it possesses by the complete solution of iron, nickel, and chromium added in the manufacturing of 20 Alloy Fasteners.

Carpenter 20 Fasteners is the usual name of this grade which is very strong and can stand against varied acidic attacks of sulfuric acid especially. However, after observing the huge demand for Din 2.4660 Fasteners, we developed rapid production using f modern machinery to smooth the best basic units that the experts thoroughly check for quality.

 

A unique element added in this, called columbium, proved to be one of the most significant elements. It inculcated the extreme strength to fight against severe conditions, with being very stable after heavy processing. During the welding procedure, carbide precipitation is also made minor. Pharmaceutical and desulfurization (deduction of sulphur) of the flue gas are becoming the next primary industry having the most substantial need for UNS N08020 Fasteners.

Corrosion, in general, is diffused by the resistivity offered by copper and chromium. However, molybdenum and nickel serve as resistance to corrosion but are used to diffuse stress corrosive crack. However, chloride solution is the base of stress cracking for stainless steel. Immunity or inner power is provided mainly by nickel, which is added by 33 per cent, giving ease for fabricating an improved mechanical attribute.

 

Alloy 20 Fasteners Specification

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Bolts Size
Alloy 20 Bolts Size
  • M1.2 – M48
Metric Size
UNS N08020 Washer Size
  • M3 – M36

 

 Length
Carpenter 20 Stud Size
  • M6 to M64
 Thread Pitch
WNR 2.4660 Nut Thread Pitch
  • Fine
  • Coarse
 Manufacturing Methods
DIN 2.4660 Threaded Rod Manufacturing Methods
  • Cold Forging
  • CNC Machined
  • Hot Forging
Form
20Cb-3 Studs Form
  • A
  • C
  • B
  • G
  • D
  • E

 

Temperature
WNR 2.4660 Heavy Hex Bolt Melting Point
  • 1443 °C (2430 °F)
 Standards
Alloy 20 Fasteners ASTM Standards
  • ASME SB 472
  • ASTM B472
Material
Alloy 20 Bolts Also Known
  • Carpenter 20
  • 20CB-3

 

Finish
20Cb-3 Screws Surface Finish
  • Zinc impregnation, Phosphating
  • Plain, Electric galvanized
  • DACROMET, Oxidation
Machines
Alloy 20 Steel Stud Bolt Machines
  • CNC Lath
  • Making Machines
  • Thread Rolling
Testing
DIN 2.4660 Hex Nuts Testing
  • 100% Tested Alloy 20 Fasteners with MTC EN 10204 3.1/3.2

 

Thread Types
Nickel Alloy 20 Nuts Thread Types
  • UNF
  • BSF
  • BSW
  • UNR
  • UNM
  • UTS
  • UN8
  • ACME
  • UNC

 

Fastener Types
Alloy 20 Fasteners Types
  • bolt
  • threaded rod
  • stud bolt
  • nuts
  • screws
  • hex bolt
  • washers

 

Value Added Services
Nickel Alloy 20 Washer Value Added Services
  • Bagging
  • Head Painting
  • Thread Locking
  • Head Shank Drilling
 Drive Style
EN 2.4660 Hex Bolt Drive Types
  • Torx
  • Cross
  • Pan
  • Truss
  • Hex
  • Round
  • Hexagon washer
  • Oval

 

 Head Types
ASME SB 564 Alloy 20 Bolt Head Types
  • Socket cap head
  • Combination Drive
  • Truss
  • Hex washer head
  • Button head
  • Phillips Drive
  • Slotted hex washer
  • Pan
  • Hex head
  • Frearson Drive
  • Flat
  • Oval
  • Slotted Drive
 Thread Class
Carpenter 20 Rivets Class
  • 5 CSF
  • custom
  • 6G
  • Class 2A (Medium fit)
  • 5 HF
  • 5 ONF
  • Class 1A (Loose fit)
  • 4G
  • Class 3A (Tight fit)
  • 8G
  • 3G
  • 2G

 

 

Supplier of WNR 2.4660 Hex Bolt in M8, M10, M12 and Custom Size for Chemical Industry

ASME SB 472 Alloy 20 Threaded Rod Size Table

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Size Table Of Alloy 20 Threaded Rod per Inch Threads
Frac. [Number] Decimal UNF UNC
3/16 [#10] 0.1900 32 24
1/4 0.2500 28 20
5/16 0.3125 24 18
7/16 0.4375 20 14
3/8 0.3750 24 16
1/2 0.5000 20 13
5/8 0.6250 18 11
9/16 0.5625 18 12
7/8 0.8750 14 9
3/4 0.7500 16 10
1 1.0000 12, 14 8
1 1/4 1.2500 12 7
1 1/8 1.1250 12 7
1 1/2 1.5000 12 6
1 3/8 1.3750 12 6
1 3/4 1.7500 5

 

Alloy 20 Bolts Applications
  • Power Plant Industry
  • Refining Industry
  • Petrochemical Industry
  • Energy Industry
  • Food Processing Industry
  • Pulp & Paper Indusry
  • Oil and Gas Industry
  • Pharmaceuticals Industry
  • Chemical Industry
  • Aerospace Industry

 

Stockist of Nickel Alloy 20 Stud Bolt and Threaded Rod in UNC, UNF and BSF Thread with EN 10204 / 3.1B Certificates

Incoloy® Alloy 20 Bolts Threads
Threads Thread Types
BSW British Standard Whitworth
UNC Unified National Coarse
UN8 Unified National 8 Threads per Inch
UNF Unified National Fine
UTS Unified Thread Standard
BSF British Standard Fine

 

Refer ASME SB 472 Alloy 20 Screws Chemical Composition and Equivalent Properties
Alloy 20 Stud Bolt Chemical Composition

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Grade P Ni C Si Mn Nb S Cr Mo Cu
Alloy 20 0.02 max 32 – 38 0.02 max 0.7 max 1 – 2 0.1 – 0.3 0.005 max 19 – 21 2 – 3 3 – 4

 

ASME SB 564 Alloy 20 Nuts Equivalent Properties
Standards UNS ASTM ASME WNR JIS BS GOST
Country North America America Australia Russia Japan United Kingdom Russia
Value N08020 B564 SB 564 2.466
Standards EN ANSI AFNOR AMS SAE AS DIN
Country Europe America France United States United States Australia German
Value NiCr20CuMo Z2NCUD31-20AZ 2.466

 

Exporter of ASTM B472UNS N08020 Washers in HDG and Oxidation Finish at Reasonable Price
Price List of Alloy 20 Fasteners

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Carpenter 20 Screws Mechanical Properties
Grade Value
Tensile Strength Psi -80,000, MPa -551
Yield Strength (0.2%Offset) Psi – 35,000, MPa – 241
Elongation 30%

 

Types of Incoloy® Alloy 20 Fasteners

Carpenter 20 Screws

Carpenter 20 Screws

EN 2.4660 Stud Bolt

EN 2.4660 Stud Bolt

ASME SB 564 Alloy 20 Flange Bolt

ASME SB 564 Alloy 20 Flange Bolt

20Cb-3 Threaded Rod

20Cb-3 Threaded Rod

WNR 2.4660 Heavy Hex Bolt

WNR 2.4660 Heavy Hex Bolt

Alloy 20 Socket Head Cap Screw

Alloy 20 Socket Head Cap Screw

DIN 2.4660 Hex Nuts

DIN 2.4660 Hex Nuts

Alloy 20 Set Screws

Alloy 20 Set Screws

ASME SB 564 Alloy 20 Hex Bolt

ASME SB 564 Alloy 20 Hex Bolt

Nickel Alloy 20 Washers Physical Properties
Properties Density Specific heat Modulus of elasticity (Tension) Melting Point Electrical resistivity (RT) Modulus of rigidity
g/cm 3 Btu/lb•°F ksi °C ohm-cir mil/ft ksi
Value 8.08 0.12 28.0 X 103 1425 651 11.0 X 103

 

Alloy 20 vs SS316
Alloy 20 SS316
Composition
  • Molybdenum (2-3%)
  • Iron (Balance)
  • Copper (3-4%)
  • Nickel (32-38%)
  • Chromium (19-21%)
  • Nickel (10-14%)
  • Molybdenum (2-3%)
  • Chromium (16-18%)
  • Iron (Balance)
Temperature Range 1000°F (538°C) 1500°F (815°C)
Applications
  • Petrochemical
  • Pharmaceutical industries
  • Good machinability
  • Chemical processing
  • Chemical processing
  • Good machinability
  • Marine environments

 

20Cb-3 Studs Corrosion Rate
Temperature °C 50 75 60 Boiling 85 95
°F 122 167 140 185 203
H2SO4 (%) 70 70 20 70 90 20 20 70 90
Corrosion Rate mpy 2 5 0 3 4 12 18 7 15 27
mm/a 0.051 0.127 0 0.076 0.102 0.432 0.457 0.178 0.381 0.686

 

WNR 2.4660 Hex Bolt Dimension

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Basic Product Diameter Full-Size Body Diameter Width Across Flats Width Across Corners Thread Length Head Height Thread Length
Min Max Min Max Up to 6in Over 6 in
3/8 .360 .388 9/16 0.62 .650 1.00 1/4 1.25
1/4 .237 .26 7/16 0.484 .505 0.75 11/64 1.00
1/2 .482 .515 3/4 0.826 .866 1.25 11/32 1.50
7/16 .421 .452 5/8 0.687 .722 1.13 19/64 1.38
5/16 .298 .324 1/2 0.552 .577 0.88 7/32 1.13
5/8 .605 .642 15/16 1.033 1.083 1.50 27/64 1.75
7/8 .852 .895 1-5/16 1.447 1.516 2.00 37/64 2.25
3/4 .729 .768 1-1/8 1.24 1.299 1.75 1/2 2.00
1 .976 1.022 1-1/2 1.653 1.732 2.25 43/64 2.50
1-1/4 1.223 1.277 1-7/8 2.066 2.165 2.75 27/32 3.00
1-1/8 1.098 1.149 1-11/16 1.859 1.949 2.50 3/4 2.75
1-3/8 1.345 1.404 2-1/16 2.273 2.382 3.00 29/32 3.25
1-3/4 1.716 1.785 2-5/8 2.893 3.031 3.75 1-5/32 4.00
1-1/2 1.47 1.531 2-1/4 2.48 2.598 3.25 1 3.50
2 1.964 2.039 3 3.306 3.464 4.25 1-11/32 4.50
2-1/2 2.461 2.559 3-3/4 4.133 4.33 5.25 1-21/32 5.5
2-1/4 2.214 2.305 3-3/8 3.719 3.897 4.75 1-1/2 5.00
2-3/4 2.711 2.827 4-1/8 4.546 4.763 5.75 1-13/16 6.00
3-1/4 3.21 3.335 4-7/8 5.372 5.629 6.75 2-3/16 7.00
3 2.961 3.081 4-1/2 4.959 5.196 6.25 2 6.50
3-1/2 3.461 3.589 5-1/4 5.786 6.062 7.25 2-5/16 7.50
4 3.975 4.111 6 6.612 6.928 8.25 2-11/16 8.50
3-3/4 3.726 3.858 5-5/8 6.198 6.495 7.75 2-1/2 8.00

 

Thermal Properties of ASTM B472 UNS N08020 Washer
Properties Imperial Metric
Thermal conductivity 85.4 BTU.in/hrft².°F 12.3 W/mK
Thermal expansion co-efficient (20-100°C/68-212°F) 8.17 µin/in°F 14.7 µm/m°C

 

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  •  Vision Alloys is A Manufacturer of Steel Fasteners Company in India
  •  Dealers and Distributors of Bolting Products in USA, Europe, New Zealand, Algeria, United Kingdom, Morocco, South Africa and Australia, Egypt, Peru, chile, Jordan, Argentina
  •  Manufacturer and Supplier of Stainless Steel, Nickel Alloy, Titanium, Copper Materials in Mumbai.
  •  Stockist and Trader of Top Quality High Temperature Alloys for Oil and Gas Industry and Standard & Custom Sizes in EX Stock
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