Stubend

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Steelage Alloys manufactures and supplies high-quality Stainless Steel Stub Ends, an essential component in piping systems designed for Lap Joint Flanges. Stub ends are used where quick disassembly and frequent inspection are required, making them a preferred choice in industries that demand hygiene, flexibility, or corrosion resistance.

Made from corrosion-resistant stainless steel, our stub ends offer excellent mechanical strength, precise dimensions, and smooth finishes. Available in short and long pattern designs, they reduce flange costs in large-diameter, high-pressure pipelines by allowing repeated reuse of the backing flange.

Corrosion Resistant

Trusted Supplier

Bulk Orders

Features

  • Reusable with Lap Joint Flanges – Cost Efficient
  • Excellent Corrosion & Chemical Resistance
  • Smooth Finish & Precise Dimensional Accuracy
  • Available in Short & Long Stub End Types
  • Ideal for High-Temperature & High-Pressure Environments

Specifications

Property Details
Size Range ½” to 24” (DN15 to DN600)
Types Short Stub End / Long Stub End
Wall Thickness SCH 5 to SCH 160 / XXS
Form Seamless / Welded
End Type Beveled or Plain End
Surface Finish Machined / Pickled / Polished

Standards

Standard Description / Use
ASME B16.9 Factory-made wrought buttwelding fittings
MSS-SP 43 Stainless steel butt-weld fittings for low-pressure systems
ANSI B16.28 Wrought steel buttwelding short radius elbows and returns
DIN 2642 / DIN 2641 European stub end standards

Applications

  • Pharmaceutical & Biotech Plants
  • Oil & Gas Pipelines
  • Chemical Processing & Refineries
  • Food & Beverage Processing
  • Shipbuilding & Offshore Installations
  • Water Treatment & Desalination Plants

Manufacturing Process

Stubend

hastelloy round bar

Pipe

Cut to Length

Cutting

Analytic

Forming

Centering

Sizing

Heating

Heat Treatment

Pickling

Pickling

Inspection of Surface

Beveling

Lubricating

Polishing

Cold Drawing (Cold Rolling)

Sand Blasting

Degreasing

Reducer

Analytic

Inspection

Marking

Analytic

Marking

Marking

Packing & Shipping

Packing & Shipping

Drawing & Formula

Package

Plastic Bag

Wooden case

Logistics

By Sea

By Air