Haynes® 214 UNS N07214

(Nickel Alloy 214) Strip, Coil, Foil, Wire, ROLLS ROYCE MSRR7238 IS2

Applications

Furnace parts, Honeycombs

Description

Haynes® 214 is a nickel-chromium-aluminum-iron alloy, designed to provide the optimum in high ­temperatures oxidation resistance for a wrought austenitic material, while at the same time allowing for conventional forming and joining. Intended principally for use at temperatures of 1750 °F and above, alloy 214 exhibits resistance to oxidation that far exceeds virtually all conventional heat­ resisting wrought alloys at these temperatures. This is attributable to the formation of a tightly adherent Al2O3-type protective oxide scale, which forms in preference to chromium oxide scales at these temperatures. At temperatures below 1750 °F, alloy 214 develops an oxide scale which is a mixture of chromium and aluminum oxides. This mixed scale is somewhat less protective, but still affords alloy 214 oxidation resistance equal to the best nickel-base alloys.

Chemistry Typical

Nickel: Balance
Chromium: 15.00-17.00
Iron: 2.00-6.00
Aluminum: 4.00-5.00
Cobalt: 2.00 max
Tungsten: 1.00 max
Manganese: 1.00 max
Molybdenum: 1.00 max
Yttrium: .002-.040
Carbon: 0.15 max
Silicon: 0.50 max
Phosphorus: 0.15 max
Sulfur: 0.015 max
Titanium: 0.50 max
Boron: 0.015 max
Zirconium: 0.20 max

Physical Properties

Density: 0.291 lbs/in3, 8.05 g/cm3

Electrical Resistivity: microhm-in.(microhm-cm)
70 ° F (21 °C): 53.5 (135.9)

Specific Heat: Btu/lb.-° F(J/Kg-K):
At 70 ° F (21 °C): 0.108 (452)

Mean Coefficient of Thermal Expansion: in/in/° F (mm/m/°C):
70 - 212 °F (20 - 100 °C): 7.2 x 10·6 (13.0)

Thermal Conductivity: BTU-in/h-ft-° F (W/m-°K):
70 ° F (21 °C): 83 (12.0)

Modulus of Elasticity: KSI (MPa)
31.6 x 103 (218 x 103) in tension

Melting Range: 2475 - 2550 ° F (1355 - 1400 °C)

Forms

Coil - Strip, Foil, Ribbon Wire - Profile, Round, Flat, Square

Mechanical Properties at Room Temperature

Properties: Annealed

Ultimate Tensile Strength: 110 KSI min (758 MPa min)
Yield Strength (0.2% offset): 65 KSI min (438 MPa min)
Elongation: 25% min (gauges> .003 inches)
Hardness: Re 30 max

Properties: Tempered

Haynes® 214 can be cold rolled to various tempers. Contact Ulbrich Technical Service for additional information.

Additional Properties

Corrosion Resistance

Refer to NACE (National Associate of Corrosion Engineers) for recommendations.

Finishes

#1 - Hot rolled annealed and descaled. It is available in strip, foil and ribbon. It is used for applications where a smooth decorative finish is not required.
#2D - Dull finish produced by cold rolling, annealing and descaling. Used for deep drawn parts and those parts that need to retain lubricants in the forming process. #2B - Smooth finish produced by cold rolling, annealing and descaling. A light cold rolling pass is added after anneal with polished rolls giving it a brighter finish than 2D.
#BA- Bright annealed cold rolled and bright annealed
#CBA- Course bright annealed cold rolled matte finish and bright anneal
#2 - Cold Rolled
#2BA- Smooth finish produced by cold rolling and bright annealing. A light pass using highly polished rolls produces a glossy finish. A 2BA finish may be used for lightly formed applications where a glossy finish is desired in the formed part. Polished - Various grit finish for specific polish finished requirements. * Not all finishes are available for all alloys - Contact Ulbrich Sales for more information.

Wire Finishes

XC - Extra Clean Bright Annealed or Bright Annealed and Cold Rolled Grease - Ultra bright finish (for decorative applications) Soap - Soap coating on tempered wire to act as lubricant. * Contact Ulbrich Wire for custom wire finishes.

Heat Treatment

Haynes® 214 can be hardened by: Cold working Aging at 14 72 °F to 1562 °F

Welding

For best results refer to: SSINA's "Welding of Stainless Steels and Other Joining Methods".

Limitation of Liability and Disclaimer of Warranty: In no event will Ulbrich Stainless Steels & Special Metals, Inc., be liable for any damages arising from the use of the information included in this document or that it is suitable for the 'applications' noted. We believe the information and data provided to be accurate to the best of our knowledge but, all data is considered typical values only. It is intended for reference and general information and not recommended for specification, design or engineering purposes. Ulbrich assumes no implied or express warranty in regard to the creation or accuracy of the data provided in this document.