Material and series selection
- Differentiate submerged, splash-zone and coastal-air exposure.
- Specify 316/316L hardware where the project requires stainless assemblies.
- Confirm UV and temperature ageing for exposed polymer bodies.
By fluid
Sea Water & Brine
Offshore · Coastal · Marine — 316L or polymer inserts
Temperature−5 / +40 °C
Max. pressure16 bar
Standards3
Marine selection must consider immersion, splash, salt-laden air, UV and galvanic corrosion across the complete support assembly.
Installation checks
- Match bolts, rail, base plates and clamps to avoid mixed-metal corrosion.
- Provide drainage and avoid salt-trapping crevices.
- Plan inspection access for coating and fastener condition.
Common mistakes to avoid
- Using plated carbon steel as if it were marine stainless.
- Mixing stainless and aluminium without galvanic review.
- Ignoring UV exposure on outdoor polymer components.
Where this service appears
Continuous immersion requires full material compatibility and attention to galvanic couples.
Wet-dry cycling, oxygen and salt make splash zones highly aggressive.
Salt-laden air and UV affect both metal hardware and exposed polymers.
Material compatibility
| PPPolypropylene−20/+100 °C | PAPolyamide 6/66−40/+120 °C | NBRNitrile rubber−40/+100 °C | PVDFPVDF (Kynar®)−40/+150 °C | MetalMetal (Al/Steel)−196/+425 °C | |
|---|---|---|---|---|---|
| Sea water & brineoffshore, coastal, marine | A | B | A | A | D |
| ⚠ Carbon steel corrodes rapidly in seawater. Evaluate PP, PVDF or NBR clamp bodies; all-metal assemblies should specify 316/316L stainless components. | |||||
A — ExcellentB — GoodC — LimitedD — Not recommended
Full compatibility matrix Fluid variants
Open seawater
Cl⁻ up to 35,000 ppm
Carbon steel rating D — corrodes
Offshore splash zone
UV + salt spray
Specify 316L stainless (WQS)
Saline process water
Brackish / cooling water
PP or PVDF insert preferred
Applicable standards
NORSOK M-630Material data sheets — offshore piping qualificationISO 12944Corrosion protection — category C5-M marineDNV GLMarine structural design — piping requirementsComplete clamp assembly selection
| Assembly item | Selection guidance |
|---|---|
| Clamp body | Evaluate PP/PVDF or specified stainless according to exposure. |
| Bolts and rail | Match 316/316L components where stainless assemblies are required. |
| Mounting surface | Avoid crevices and isolate dissimilar metals where necessary. |
| Inspection | Provide access to fasteners, coatings and drainage paths. |
Recommended series
Related technical resources
Pipe clamp selection guideCheck OD, load, vibration, material and mounting method before specifying.Read guide Pipe clamp spacing guidePlan supports around bends, valves, pressure pulses and equipment vibration.Read guide Pipe clamp material guideCompare PP, PA, NBR, metal and stainless choices by fluid and environment.Read guide DIN 3015 standard guideUnderstand standard, heavy and twin clamp families for industrial pipework.Read guide
Details needed for a reliable recommendation
Send these operating details with your enquiry so the complete clamp assembly can be reviewed.
- Exact fluid/product name and concentration
- Continuous, peak and cleaning temperatures
- Pipe OD, material, wall thickness and quantity
- Pressure, pulsation, vibration and support load
- Indoor/outdoor exposure, salt, UV and washdown
- Required standards, certificates and mounting method
Frequently asked questions
Is zinc-plated carbon steel suitable offshore?
It may be inadequate in severe marine exposure. Confirm corrosion category, coating life and project specification.
Is 316L always enough for seawater?
No. Temperature, crevices, oxygen, flow, chlorides and galvanic contact can change performance.