Refractaloy 26 (W.Nr. 1.2888) | HB SPEICAL ALLOY

Refractaloy 26HB Special Alloy2022-04-11T14:00:37+08:00

Refractaloy 26 (W.Nr. 1.2888)

Refractaloy 26 (W.Nr. 1.2888) is a high heat resistant alloy of nickel, chromium, cobalt and iron, possessing high creep and endurance strengths along with high ductility at elevated temperatures. It responds to precipitation-hardening heat treatment.

Equivalent Grades

Trademark	GB	GOST	ASTM	UNS	DIN	W.Nr.	NF	BS	JIS	SS
Refractaloy 26	GH2026	–	Refractaloy 26	–	–	1.2888	–	–	–	–

Chemical Composition, %

Alloy

C

Si

Mn

P

S

Cr

Ni

Co

Mo

Al

Ti

Fe

Refractaloy 26

≤0.08

≤1.5

≤1.0

≤0.03

≤0.03

16.0-20.0

35.0-39.0

18.0-22.0

2.5-3.5

≤0.25

2.5-3.0

Bal

Typical Physical and Mechanical Properties (RT, Solution annealed)

Density, g/cm3	Melting Point, ℃	Tensile Strength, MPa	Yield Strength, MPa	ELongation, %	Hardness, HRB
9.14	1300-1330	925	610	10	/

Available Products and Specifications

Rod, Bar, Wire and Forgings	–
Plate, Sheet and Strip	–
Pipe and Tube	–
Welding Product	–
Others	–

Features

The composite properties of the alloy are superior, with excellent tensile resistance, force relaxation and creep resistance, no notch sensitivity.

Applications

Fasteners for steam turbines
Bolt
Air seal spring sheet
Sealing ring
Pin