Strip, Coil, Foil & Wire, ASTM A5167, ASTM A 276, ASTM 314, ASTM 580, QQ-S-763

Applications

Kilns, heat exchangers, furnace parts, muffles and retorts, annealing covers, food processing equipment, cryogenic structures.

Description

Type 310 stainless is an austenitic heat resistant alloy with excellent resistance to oxidation under mildly cyclic conditions through 2000 °F. Its high chromium and nickel contents provide comparable corrosion resistance, superior resistance to oxidation and the retention of a larger fraction of room temperature strength than the common austenitic alloys like Type 304. Stainless 310 is often used at cryogenic temperatures, with excellent toughness to -450 °F.

Chemistry Typical

Carbon: 0.25 max
Phosphorus: 0.045 max
Silicon: 1.50 max
Nickel: 19.00-22.00
Manganese: 2.00 max
Sulfur: 0.030 max
Chromium: 24.00-26.00
Molybdenum: 0.75 max
Copper: 0.50 max
Iron: Balance

Physical Properties

Density: 0.289 lbs/in3 8.00 g/cm3

Electrical Resistivity: ohm-cir-mil/ft: At 70 °F (21 °C): 469.0

Specific Heat: BTU/lb-°F (J/g-°C):
32 - 212 °F (0 - 100 °C): 0.12 (0.50)

Thermal Conductivity: BTU-in/hr-ft2-°F (W/m•K):
32 - 212 °F (0 - 100 °C): 112 (16.2)

Mean Coefficient of Thermal Expansion: µin/in-°F (µm/m-°C)
32 - 212 °F (0 - 100 °C): 8.78 (15.8)
32 - 599 °F (0 - 315 °C): 9.00 (16.2)
32 - 1000 °F (0 - 540 °C): 9.39 (16.9)
32 - 1200 °F (0 - 650 °C): 10.6 (19.1)

Modulus of Elasticity: ksi (MPa)
28 - 29 x 103 (193 - 200 x 103) in tension
Magnetic Permeability, H = 200: Annealed 􀀅 1.008

Melting Range: 2550 - 2650 °F (1400 - 1455 °C)

Forms

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

Mechanical Properties at Room Temperature Properties: Annealed Typical

Ultimate Tensile Strength: 70 KSI min (482 MPa min) Yield Strength: 30 KSI min (206 MPa min) Elongation: 40% min

Properties: Tempered

Alloy 310 can be cold worked to various tempers. Contact Ulbrich Technical Service for additional information.

Additional Properties

Corrosion Resistance

Refer to NACE (National Association 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 is not removed from tempered wire to act as a lubricant. * Contact Ulbrich Wire for custom wire finishes.

Heat Treatment

Alloy 310 is non hardenable by heat treatment.

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.

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