Print Back
Invar® 36 is a nickel-iron-chromium alloy with additions of copper and molybdenum. It also contains niobium for stabilization against sensitization and resultant intergranular corrosion. Invar® 36 has excellent resistance to general corrosion, pitting, and crevice corrosion in chemicals containing chlorides and sulfuric, phosphoric and nitric acids. Invar 36 is used for tanks, piping, heat exchangers, pumps, valves and other process equipment. Standard product forms are round, flats, pipe,more
Unit of Measure

Specifications

Material

Invar®

Shapeform

Plates

Thickness

3/8 inches

Thickness

0.375 inches9.5250 mm

Nickel Alloy Compositions

Alloy

Invar® 36

Basic Composition

36.0% Nickel 64.0% Iron

Density

0.293 lbs/in³8.11 g/cm³

ASTM Specification

UNS K93600

Typical Mechanical Properties

Tensile Strength

71000 psi490 MPa

Yield Strength (0.2% Offset)

35000 psi240 MPa

Elongation

42 %

Melting Temperature Range

2610 ºF1430 ºC