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Now available from CIS

Metals

Pipe, valves, fittings, flanges & engineered products — sourced from approved mills and backed by full documentation and traceability.

CARBON  ·  STAINLESS  ·  LOW-ALLOY  ·  NICKEL ALLOY

Why CIS for metals

The same standard, now in metal.

For years, Commercial Industrial Supply has been a trusted source for industrial piping systems. Now we're extending that same standard to metals — connecting you with world-class manufacturers of pipe, valves, fittings, flanges, and engineered products for specialty applications.

Every item runs through a strict, end-to-end quality program, so what shows up on your job is exactly what you specified — with the documentation to prove it.

01 Approved-mill sourcingMaterial comes only from qualified, approved manufacturers.
02 Purchase Product SpecificationEach product is tied to a unique, verified spec.
03 Documentation & traceabilityFull records and material traceability, end to end.
04 Responsive serviceA team that knows the material and moves when you do.

Product lines

Six categories, ready to move

Representative stocked ranges are shown below. Additional sizes, grades, and specialty configurations are available on request.

Pipe

Carbon & specialty pipe

A broad inventory of carbon and specialty pipe from approved mills — from standard specs for everyday work to specialty grades for severe service.

TypesSeamless & welded carbon, stainless, nickel alloy
Size1/2"–24"
GradesA106, A333 Gr. 6, API 5L X42, 304/316L, 347H, Monel

Butt Weld Fittings

The backbone of your projects

Elbows, tees, reducers, and caps in multiple sizes, materials, and schedules — for both standard and critical applications.

TypesSeamless/welded carbon, high yield, stainless
Size1/2"–36"
GradesA234 WPB, A420 WPL6, WPHY 52/65, 304/316L

Pressure Fittings

Built for pressure. Built to last.

Forged fittings, o-lets, nipples, and swages — mill-direct sourced and stocked for fast shipment on your toughest projects.

TypesForged fittings, o-lets, nipples, swages
Class3000# / 6000#, STD–XXH
GradesA105N, A350 LF2, 304/304L, 316/316L

Flanges

Mill-direct. Zero compromise.

A deep inventory of carbon, stainless, and alloy flanges built for demanding field conditions, with reliable fit-up and material integrity.

TypesCarbon, stainless, alloy, low chrome, high yield
Class150#–2500#
GradesA105N, A350 LF2, 304/316L, F5/F9/F11, Monel

Valves & Automation

Actuation for critical service

Valve and valve-automation packages for liquid and gas pipelines, terminals, compressor stations, and process plants.

ActuationElectric & pneumatic; quarter-turn, multi-turn, linear
ValvesAPI 6D ball, gate, check, triple offset, metal-seated
ServicePipelines, terminals, refining, chemical, power

Engineered Products

Terminals & pipeline facilities

From the gauge on top of the tank to the custody-transfer point at the loading rack — the specialty equipment terminals depend on.

Load rackPresets, loading arms, API couplers, overfill systems
SpecialtyIsolation & ESD valves, strainers, DBB plug valves
TanksAPI-6D valves, tank gauging, flame arrestors

The full Metals Stocking List

Sizes, schedules, pressure classes, and grades across all six categories — in one printable reference. Contact us for current availability and lead times.

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