Email:info@htpipe.com

news

PRODUCT

Special Products
BW Fittings
Forged Fittings
Steel Pipe Tube
Flanges
Fasteners
Steel Sheet Plate
Round Bar
Welding Wire Electrodes
Prefabrication Pipe Spools

news

ASTM B473 Standard for nickel alloy bar and wire

share with
 ASTM B473 Standard for nickel alloy bar and wire

This specification covers UNSN08020,UNSN08026,and UNSN08024 bar and wire other than required for reforging.

Chemical Requirements
Element UNS N08026 UNS N08020 UNS N08024
C max 0.03 0.07 0.03
Mn,max 1 2 1
P,max 0.03 0.046 0.035
S, max 0.03 0.035 0.035
Si,max 0.5 1 0.5
Ni 33.00 to 37.20 32.00 to 38.00 35.00-40.00
Cr 22.00 to 26.00 19.00 to 21.00 22.50 to 25.00
Mo 5.00 to 6.70 2.00 to 3.00 3.50 to 5.00
Cu 2.00 to 4.00 3.00 to 4.00 0.50 to 1.50
Nb+Ta ... 8*carbon-1.00 0.15 to 0.35
N 0.10 to 0.16 ... ...
Fe remainder remainder remainder

Mechanical Property Requirements
Condition Diameter or thickness,in(mm) Tensile Strength, min Yield Strength, min Elongation in 2 in.(50.8mm), min,% Reduction of area, min, %
ksi MPa ksi MPa
Annealed, hot finished or cold finished   All 80 551 35 241 30.8 50
Annealed, stran-hardened   Up to 2(50.8)incl 90 620 60 415 15 40