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Monel Bars
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Marine-Grade Alloy Bar

Monel Bars

Monel 400 & K-500 round bars for marine propeller shafting, pump components and seawater-service fasteners.

Monel Bars
ASTM / ASME Certified Material

Product Overview

Monel bar is a mainstay of marine and offshore machining — propeller shafts, pump shafts and fastener stock that must resist seawater corrosion without the galling issues stainless can present in sliding or threaded contact.

K-500 is age-hardened after machining for higher-strength shafting, while standard 400 covers general corrosion-resistant machined parts.

Diameter6mm – 200mm
LengthUp to 6m
FinishHot Rolled, Forged, Bright
CertificationEN 10204 3.1 Mill Test Cert.
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Monel Bars — In Our Stockyard

Specification

Available Grades

GradeStandardTypical Service
Monel 400 (UNS N04400)ASTM B164General marine & chemical-resistant machined parts
Monel K-500 (UNS N05500)ASTM B865Age-hardened — propeller shafts & high-strength fasteners
Technical Data

Specifications

  • Diameter6mm – 200mm
  • Length3m – 6m
  • ManufactureHot Rolled, Forged, Cold Drawn
  • FinishBlack, Bright, Peeled
  • TestingMechanical, UT on request
  • CertificationEN 10204 3.1 Mill Test Cert.
  • PackingBundled, tagged by heat number
  • ConditionHot Worked / Age Hardened

Technical Note — K-500 bar is supplied either mill-hardened or solution-treated for customer age-hardening, depending on your machining sequence — specify which condition your process requires when ordering.

Where It's Used

Applications

Marine Propeller Shafting

Fasteners for Seawater Service

Pump & Valve Components

Chemical Processing

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