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Alloy 20 Bolts

Providing a wide-ranging collection of Alloy 20 Fasteners. ASTM SB 160 ALLOY 20 Fasteners (UNS N08020)is stabilized with columbium to minimize carbide precipitation during welding. Carpenter 20 Fasteners appears to fall between both the stainless and nickel categories as it contains characteristics of both. Also termed as UNS N08020 Fasteners, it was designed specifically to withstand sulfuric acid.

Providing a wide-ranging collection of Alloy 20 Fasteners. ASTM SB 160 ALLOY 20 Fasteners (UNS N08020)is stabilized with columbium to minimize carbide precipitation during welding.  Carpenter 20 Fasteners appears to fall between both the stainless and nickel categories as it contains characteristics of both. Also termed as UNS N08020 Fasteners, it was designed specifically to withstand sulfuric acid.

 

Our Alloy 20Cb3 Fasteners is a solution for stress corrosion cracking that can occur when stainless steel is introduced to chloride solutions. ASTM SB 160 ALLOY 20 CB-3 Fasteners particularly excels in resisting corrosion to hot sulfuric acids when compared to conventional stainless steels such as 316. also contains niobium for stabilization against sensitization and resultant intergranular corrosion. We as well offer these products in custom-made sizes and shapes to our clients.


Standard Specification For Alloy 20 Bolts

Material
Specification
Standards
Size 
Length

Alloy 20

IS

BS

ASTM

ASTM B366

3 mm to 200 mm


M02 to M33



Chemical Composition of Carpenter 20 Bolts

ElementContent (%)
Iron, Fe
35
Nickel, Ni
32-38
Chromium, Cr
19-21
Copper, Cu
3-4
Manganese, Mn
≤2
Molybdenum, Mo
2-3
Niobium, Nb
≤1
Silicon, Si
≤1
Carbon, C
≤0.07
Phosphorous, P
≤0.045
Sulfur, S
≤0.035


Carpenter 20 Bolts Mechanical Properties

PropertiesMetricImperial
Tensile strength (annealed)
620 MPa
89900 psi
Yield strength (annealed)
300 MPa
43500 psi
Elongation at break (annealed)
41%
41%



Carpenter 20 Bolts Physical Properties

PropertiesMetricImperial
Density
8.05 g/cm3
0.291 lb/in3


Carpenter 20 Bolts Thermal Properties

PropertiesMetricImperial
Thermal expansion co-efficient (@20-100°C/68-212°F)
14.7 µm/m°C
8.17 µin/in°F
Thermal conductivity
12.3 W/mK
85.4 BTU.in/hrft².°F



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