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310 Stainless Steel

ASTM A 240, A 276, A 312
UNS S31000 / UNS S31008
DIN 1.4845

What forms of 310/310S Stainless Steel are available at Mega Mex?

  • Sheet
  • Plate
  • Bar
  • Pipe & Tube
  • Fittings (i.e. flanges, slip-ons, blinds, weld-necks, lapjoints, long welding necks, socket welds, elbows, tees, stub-ends, returns, caps, crosses, reducers, and pipe nipples)
  • Weld Wire (AWS E310-16 or ER310)

310/310S Stainless Steel Overview310 Stainless Plate

Stainless steel 310/310S 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, and low magnetic permeability.

**As you can see below, Grade 310S is a low carbon version of grade 310. 310S is less prone to embrittlement and sensitization in service.

310 UNS S31000 Chemical Composition, %

Cr

Ni

C

Si

Mn

24.0-26.0

19.2-22.0

.25 Max

1.50 Max

2.00 Max

P

S

Mo

Cu

Fe

.045 Max

.03 Max

.75 Max

.50 Max

Balance

310S UNS S31008 Chemical Composition, %

Cr

Ni

C

Si

Mn

24.0-26.0

19.2-22.0

.08 Max

1.50 Max

2.00 Max

P

S

Mo

Cu

Fe

.045 Max

.03 Max

.75 Max

.50 Max

Balance

What are the characteristics of 310/310S Stainless?

  • Oxidation resistance to 2000°F
  • Moderate strength at high temperature
  • Resistance to hot corrosion
  • Strength and toughness at cryogenic temperatures

Typical Applications for 310/310S Stainless

  • Kilns
  • Heat Exchangers
  • Radiant Tubes
  • Muffles, retorts, annealing covers
  • Tube hangers for petroleum refiing adn steam boilers
  • Coal gasifier internal components
  • Saggers
  • Furnace parts, conveyor belts, rollers, oven linings, fans
  • Food processing equipment
  • Cryogenic structures

Fabrication with Stainless 310/310S

Type 310/310S is readily fabricated by standard commercial procedures. In comparison to carbon steel, stainless steels are tougher and tend to work harden rapidly.

Type 310/310S can be welded using all of the common welding processes.

Mechanical Properties
Representative Tensile Properties


Temperature, °F

Ultimate Tensile Strength, ksi

.2% Yield Strength, ksi

Elongation Percent

70

80.0

35.0

52

1000

67.8

20.8

47

1200

54.1

20.7

43

1400

35.1

19.3

46

1600

19.1

12.2

48

Typical Creep-Rupture Properties


Temperature, °F

Minimum Creep 0.0001%/hr, ksi

100,000 Hour Rupture Strength, ksi

12000

14.9

14.4

1400

3.3

4.5

1600

1.1

1.5

1800

.28

.66


Reference: 2. www.alleghenyludlum.com

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