Industrial Supply Inc.

Fittings & Flanges

Industrial Supply Inc. is your one-stop shop for all your carbon, stainless, and alloy fitting and flange needs. We carry a full line of commodity type items, both approved and generic. MTRs are available on all material.

ISI makes available the fittings and flanges you need, when you need them, with approved and generic material options across a wide range of specifications, grades, and schedules.

Fittings & Flanges Inventory

ISI supplies fittings and flanges in carbon, stainless, alloy, chrome, duplex, and specialty materials for industrial, energy, utility, and process applications.

Fittings & Flanges

Size, Pressure Class & Facing

1/2" to 48" 150# to 2500# RF Faced RTJ Faced Available in All Schedules

Specifications & Materials

  • ASTM A350-LF2
  • ASTM A694-F52 through F70 high yield product
  • CSAZ245.12 CAT II GR 359 product to Canadian standards
  • ASTM A105 and ASTM A105N
  • Stainless: 304, 304L, 316, 316L, 317L, 321H
  • Duplex
  • Alloy 20
  • Chrome: F5, F9, F11, F22
  • NACE product can be supplied on request to MR 01-75
  • Paddle blinds and spacer rings

Fitting Products

ISI maintains an extensive inventory of fittings from 1/2" to 48" in all schedules in the following grades of material.

Grades of Material

ASTM A234 WPB ASTM A860 WPHY60 ASTM A234 WPC ASTM A860 WPHY65 ASTM A420 WPL6 ASTM A860 WPHY70 ASTM A860 WPHY52 CSAZ235.11 CAT II GR359 All to NACE MR-01-75 Stainless 304 Stainless 304L Stainless 316 Stainless 316L Stainless 317L Stainless 321H Duplex Alloy 20 Chrome F5 Chrome F9 Chrome F11 Chrome F22

Material Availability

Approved and generic commodity items are available with MTRs on all material. ISI supports flange and fitting needs across standard, high yield, stainless, duplex, alloy, chrome, and NACE-requested requirements.

Common Material Types

Carbon Stainless Alloy Chrome Duplex Alloy 20

Documentation & Requests

  • MTRs available on all material
  • Approved and generic commodity items
  • NACE product supplied on request
  • Material available when your project needs it

Need fittings or flanges for your next project?

Contact Industrial Supply Inc. for availability, pricing, MTRs, and project-specific material requirements.

Request a Quote
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