Corrosion Resistant Pipe Shoe

Corrosion Resistant Pipe Shoe for Industrial Piping Systems

In industrial piping systems, support hardware directly affects pipe stress, insulation integrity, and long-term maintenance costs. A corrosion resistant pipe shoe distributes line load over a wider bearing area and prevents direct metal-to-metal contact that often accelerates corrosion at support points. Our Painted Carbon Steel Pipe Shoe is a cost-effective solution for indoor and outdoor carbon steel lines that require a durable painted finish. For high-pressure gathering and transmission lines, the Pipe Shoe Support for Oil and Gas configuration provides reinforced base plates and optional cradles to handle cyclic loading and thermal expansion. In crude and vacuum units, the Pipe Shoe Support for Refinery design resists chloride attack and maintains dimensional stability in high-temperature service. For aggressive chemical exposure and frequent wash-down areas, the Pipe Shoe for Petrochemical Plant version can be supplied in stainless steel or with a heavy-duty epoxy topcoat.

The Corrosion Resistant Pipe Shoe is fabricated from structural steel plate with options in ASTM A36, A572 Grade 50, A240 Type 304/316 stainless steel, or a carbon steel core with metallized coating. Standard configurations include a contoured saddle, vertical web plates, and a slotted base plate, all welded under a qualified procedure. Heights are commonly supplied from 100 mm to 600 mm, while the saddle radius is matched to pipe diameters from 2 in. NPS through 48 in. NPS. Protective systems include hot-dip galvanizing to ASTM A123/A153, fusion-bonded epoxy to AWWA C213, and a two-part polyurethane finish for offshore and coastal environments. For insulated piping, the shoe can be fabricated with a taller cradle height and optional vapor barrier supports. Load capacities range from 5 kN to 180 kN per support, with finite element analysis available for high-load or high-temperature applications. Each shoe is traceable to heat number and supplied with mill test reports, weld maps, and NDE documentation when specified.

Key Design Parameters

Pipe size range: 2 in. NPS to 48 in. NPS, with custom radii available for thin-wall or thick-wall pipe
Saddle height: 100 mm, 150 mm, 200 mm, 250 mm, 300 mm, 450 mm, and 600 mm; other heights can be fabricated
Base plate thickness: 6 mm to 25 mm depending on vertical load and span between support beams
Web and gusset thickness: 8 mm to 20 mm, with full penetration welds for cyclic service
Sliding surface: 25% glass-filled PTFE pad, 3 mm or 5 mm thick, with low-friction coefficient of 0.05 to 0.10
Corrosion protection: shop primer, hot-dip galvanizing, fusion-bonded epoxy, polyurethane, or stainless steel alloy
Design standards: MSS SP-58, ASME B31.1, ASME B31.3, ASME B31.4, and AWWA C213
Weld inspection: visual, magnetic particle, ultrasonic, or radiographic testing as required
Documentation: mill test reports, coating certificates, and PMI for alloy materials

Dimensional and Load Data

Parameter	Standard Carbon Steel Shoe	Corrosion Resistant Shoe
Pipe NPS range	2 in. – 48 in.	2 in. – 48 in.
Saddle height	100 mm – 600 mm	100 mm – 600 mm
Base plate length	Pipe OD + 200 mm	Pipe OD + 250 mm
Base plate width	100 mm – 400 mm	150 mm – 450 mm
Web thickness	8 mm – 15 mm	10 mm – 20 mm
Coating thickness	Shop primer 50–75 μm	HDG 85 μm / FBE 350–500 μm
Temperature range	-40°F to 650°F	-40°F to 800°F
Max load per shoe	120 kN	180 kN

Corrosion Protection Options

Coating System	Thickness	Recommended Service
Shop primer	50–75 μm	Indoor, low humidity
Hot-dip galvanizing	85 μm minimum	Outdoor, marine, buried
Fusion-bonded epoxy	350–500 μm	Chemical exposure, buried
Polyurethane topcoat	150–250 μm	Offshore, coastal

Common Service Applications

Steam and condensate lines in refineries and power plants
Cooling water and firewater piping exposed to marine atmosphere
Chemical injection and process lines in petrochemical units
LNG and cryogenic piping with insulated support requirements
Offshore platform piping with high humidity and salt spray exposure

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Corrosion Resistant Pipe Shoe