Alloy 188 / 2.4683 Nickel Alloy Material

Name: Alloy 188 / 2.4683 Nickel Alloy Material
Brand: Hiperoy

Standards

Mat. No. 2.4683

EU CoCr22NiW

AISI/ASTM -

UNS R30188

Other Conicro 4023 W
Alloy 188

2.4683 / Alloy 188 Nickel is a cobalt-based high temperature resistant alloy containing chromium.
1150 °It exhibits excellent mechanical properties up to C. Even after exposure to high temperatures, it maintains excellent stability and ductility, and it shows very good resistance to sulfidation. It combines producibility and weldability.

Chemical Composition & Mechanical and Physical Properties

C% 0.05-0.15

Mn% 1.25 max

P% 0.020 max

S% 0.015 max

Si% 0.20-0.50

Cr% 20.00-24.00

Ni % 20.00-24.00

Mo % 8.00-10.00

Co % Rest

Fe % 3.00 max

W % 13.00-16.00

La % 0.02-0.12

0.2% Yield Strength Rp N/mm2 380 min

Tensile Strength Rm N/mm2 860 min

Elongation A5 % 40 min

Elastic Modulus kN/mm2 222

Tensile Strength (1000 hours)

704 °C 240 MPa

871 °C 69 MPa

927 °C 41 MPa

1038 °C 15 MPa

1093 °C 9 MPa

Application areas

Gas turbine combustion chambers, flame arresters and lines, heat exchangers, furnace parts.

Specifications

AMS 5608 Sheet, Strip and Plate
AMS 5772 Bars, Forgings and Rings
AMS 5801 Welding Wire
UNS R30188, GE B50A712, GE B50TF59, GE B50TF74
Trade Names: Haynes 188, UDIMET 188