ASTM B805 Specification

Forgings, Fasteners, Boltings, Stud Bolts, Screws, Nuts

ASTM B805 specification covers nickel alloys UNS N07716, N07725, N07773, N07776, N09777, and N09925 in the form of hot or cold finished rounds, squares, hexagons, rectangles, and cold finished wire. All products manufactured in accordance with ASTM B805 are age hardened to achieve minimum 125 ksi tensile.

Related Specifications of ASTM B805

B637

ASTM B805 Chemical Composition

Composition,
Weight %
Element
UNS Designation C Mn P S Si Cr Ni Mo Nb Ti Al Fe Other W
ASTM B805 UNS N07716 0.03 max 0.20 max 0.015 max 0.010 max 0.20 max 19.00-22.00 59.00-63.00 7.00-9.50 2.75-4.00 1.00-1.60 0.35 max remainderA ... ...
ASTM B805 UNS N07725 0.03 max 0.35 max 0.015 max 0.010 max 0.20 max 19.00-22.50 55.00-59.00 7.00-9.50 2.75-4.00 1.00-1.70 0.35 max remainderA ... ...
ASTM B805 UNS N07773 0.03 max 1.00 max 0.030 max 0.010 max 0.50 max 18.0-27.0 45.0-60.0 2.5-5.5 2.5-6.0 2.0 max 2.0 max remainderA mo + 0.5 W = 2.5-5.5 6.0 max
ASTM B805 UNS N07776 0.03 max 1.00 max 0.030 max 0.010 max 0.50 max 12.0-22.0 50.0-60.0 9.0-15.0 4.0-6.0 1.00 max 2.00 max remainderA ... 0.5-2.5
ASTM B805 UNS N09777 0.03 max 1.00 max 0.030 max 0.010 max 0.50 max 14.0-19.0 34.0-42.0 2.5-5.5 0.10 max 2.0-3.0 0.35 max remainderA ... ...
ASTM B805 UNS N09925 0.03 max 1.0 max 0.03 max 0.03 max 0.5 max 19.5-22.5 42.0-46.0 2.5-3.5 0.5 max 1.9-2.40 0.1-0.5 22.0 min Cu 1.5-3.0 ...
  • A Determined arithmetically by difference.

ASTM B805 Mechanical Requirements

Solution Treated

UNS Designation Tensile Strength,
min
Yield Strength,
min
Elongation in
4D, % min
Elongation in
4D, % min % min
ksi MPa ksi MPa
ASTM B805 UNS N07716 and
ASTM B805 UNS N07725
110 758 45 310 30 40
ASTM B805 UNS N07773 and
ASTM B805 UNS N07776
90 621 35 241 35 50
ASTM B805 UNS N09777 75 517 30 207 35 50
ASTM B805 UNS N09925 75 517 35 241 35 50

Capability

UNS Designation Tensile Strength,
min
Yield Strength,
min
Elongation in
4D, % min
Elongation in
4D, % min % min
ksi MPa ksi MPa
ASTM B805 UNS N07716 and ASTM B805 UNS N07725 165 1137 120 827 20 35
ASTM B805 UNS N07773 and ASTM B805 UNS N07776 140 965 120 827 20 30
ASTM B805 UNS N09777 125 862 110 758 25 35
ASTM B805 UNS N09925B 140 965 105 724 18 25
ASTM B805 UNS N09925C 140 965 110 758 18 25
  • A Properties after aging solution treated material.
    Aging treatment for UNS N07716 and N07725 consists of 1350°F (732°C) for 8 h followed by furnace cooling to 1150 to 1200°F (621 to 649°C), holding 8 h, and air cooling.
    Aging treatment for UNS N07773 consists of 1275°F (690°C) for 20 h followed by air cooling.
    Aging treatment for UNS N07776 consists of 1335°F (725°C) for 8 h followed by furnace cooling to 1155°F (625°C), holding 8 h, and air cooling.
    Aging treatment for UNS N09777 consists of 1330°F (720°C) for 8 h followed by furnace cooling to 1150°F (620°C), holding 8 h, and air cooling. Aging treatment for UNS N09925 consists of 1365°F (740°C), hold at temperature for 6 to 9 h, furnace cool to 1150°F (62°C), hold until total precipitation heat treatment time has reached 18 h, air cool or faster.
    B Cold worked, solution annealed and aged.
    C Hot worked, solution annealed and aged.

ASTM B805 Certifications

  • EN 10204 3.1
  • EN 10204 3.2
  • PED 2014/68/EC
  • MERKBLATT AD 2000 W2/W7/W10
  • API 20 E BSL 1/ BSL 2
  • NACE MR 0175
  • NACE MR 0103