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ASTM B805

ASTM B805 Specification

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Related Specifications

Scope

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.

Chemical Requirements

Composition,
Weight %		Element
UNS DesignationCMnPSSiCrNiMoNbTiAlFeOtherW
ASTM B805 UNS N077160.03 max0.20 max0.015 max0.010 max0.20 max19.00-22.0059.00-63.007.00-9.502.75-4.001.00-1.600.35 maxremainderA……
ASTM B805 UNS N077250.03 max0.35 max0.015 max0.010 max0.20 max19.00-22.5055.00-59.007.00-9.502.75-4.001.00-1.700.35 maxremainderA……
ASTM B805 UNS N077730.03 max1.00 max0.030 max0.010 max0.50 max18.0-27.045.0-60.02.5-5.52.5-6.02.0 max2.0 maxremainderAmo + 0.5 W = 2.5-5.56.0 max
ASTM B805 UNS N077760.03 max1.00 max0.030 max0.010 max0.50 max12.0-22.050.0-60.09.0-15.04.0-6.01.00 max2.00 maxremainderA…0.5-2.5
ASTM B805 UNS N097770.03 max1.00 max0.030 max0.010 max0.50 max14.0-19.034.0-42.02.5-5.50.10 max2.0-3.00.35 maxremainderA……
ASTM B805 UNS N099250.03 max1.0 max0.03 max0.03 max0.5 max19.5-22.542.0-46.02.5-3.50.5 max1.9-2.400.1-0.522.0 minCu 1.5-3.0…
  • A Determined arithmetically by difference.

Mechanical Requirements

Solution Treated

UNS DesignationTensile Strength,
min		Yield Strength,
min		Elongation in
4D, % min		Elongation in
4D, % min % min
ksiMPaksiMPa
ASTM B805 UNS N07716 and
ASTM B805 UNS N07725		110758453103040
ASTM B805 UNS N07773 and
ASTM B805 UNS N07776		90621352413550
ASTM B805 UNS N0977775517302073550
ASTM B805 UNS N0992575517352413550

Capability

UNS DesignationTensile Strength,
min		Yield Strength,
min		Elongation in
4D, % min		Elongation in
4D, % min % min
ksiMPaksiMPa
ASTM B805 UNS N07716 and ASTM B805 UNS N0772516511371208272035
ASTM B805 UNS N07773 and ASTM B805 UNS N077761409651208272030
ASTM B805 UNS N097771258621107582535
ASTM B805 UNS N09925B1409651057241825
ASTM B805 UNS N09925C1409651107581825
  • 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.

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