Breadcrubs

We are Distributors and Suppliers of 317L .

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317l Fittings 317l Seamless Tube / Stainless Steel Tubes
317l Stainless Steel Tubing Stainless Steel Tubes
317l Seamless Pipe Stainless Steel Plates / Stainless Steel Sheets

 

317L STAINLESS STEEL PROPERTIES

317L Properties

317L is a molybdenum containing austenitic stainless steel, with improved corrosion resistance over 304/304L and 316/316L stainless steel. The increased levels of chromium, nickel and molybdenum over 316L stainless steel improve chloride pitting resistance and general corrosion. Through the controlled addition of nitrogen it is common for 317L to meet the mechanical properties of 317 straight grade, while maintaining a low carbon content.

Chemistry

Ni Cr Mo Mn Si C N S P Fe
MIN 11.0 18.0 3.0 - - - - - - -
MAX 15.0 20.0 4.0 2.0 0.75 0.03 0.1 0.03 0.045 Balance

Specifications

ASME SA 240
ASTM A 240
UNS S31703
W. NR./EN 1.4438

Inventory

317L Coil, 317L Plate, 317L Welding Products

Common Trade Names

317 Stainless, 317L Stainless

Features

  • Improved general and localized corrosion to 316/316L stainless
  • Good formability
  • Good weldability

Applications

  • Flue gas desulfurization systems
  • Chemical process vessels
  • Petrochemical
  • Pulp and paper
  • Condensers in power generation

Physical Properties

Density: 0.285 lb/inch3
Melting Point: 2540 - 2630°F
Poisson's Ratio: 0.3
Electrical Resistivity: 475 Ohm-circ mil/ft

Temperature, °F 70 212 392 572
Coefficient* of Thermal Expansion, in/in°F x 10-6 - 9.2 10.1 10.8
Thermal Conductivity
Btu • ft/ft2 • hr • °F
7.8 - - -
Modulus of Elasticity Dynamic, psi x 106 29 - - -

* 70°F to indicated temperature.

Mechanical Properties

Minimum Specified Properties, ASTM A 240

Ultimate Tensile Strength, ksi 75
0.2% Yield Strength, ksi 30
Elongation, % 40
Hardness MAX, Brinell 217

Typical Tensile and Impact Properties

Temperature, °F 70 200 400 600 800 1000 1200 1400
Ultimate Tensile Strength, ksi 82 76 71 71 71 68 51 31
0.2% Yield Strength, ksi 42 - - - 27 23 22 -
Charpy Impact V-notch, ft-lbs 65 - 100 - - - - - - -

 

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