Stub Ends

Stub Ends for industrial service, fabrication support, and specification-led supply.

Kaizen supplies stub ends across project-relevant material grades with focus on dimensional control, documentation, and dependable dispatch support.

Elbows, tees, reducers Stub Ends Fabricated piping support
Material Standards

Stub Ends grades and material coverage.

Open the relevant material family to review standards, common grades, and product-fit notes used for this category.

Carbon & Alloy Steel

  • Standards: ASTM A234 / A420 / MSS SP-75
  • Grades: WPB, WPL6, chrome-moly and line-pipe-related fitting grades
  • Material Coverage: Process piping, low temperature, and higher temperature alloy service
  • Use Focus: Pressure piping and plant fabrication

Stainless & Duplex

  • Standards: ASTM A403 / A815
  • Grades: 304/304L, 316/316L, 321, 347, duplex and super duplex ranges
  • Material Coverage: Austenitic, duplex, and super duplex fitting supply
  • Use Focus: Corrosion-resistant process systems

Nickel Alloys

  • Standards: ASTM B366
  • Grades: Inconel, Incoloy, Monel, Hastelloy, Alloy 20 and approved nickel alloy families
  • Material Coverage: Aggressive media and elevated corrosion-risk environments
  • Use Focus: Chemical and severe-service applications

Dimensional Standards

  • ASME: B16.9 and B16.28 where applicable
  • Wall Match: Schedule pairing is aligned to connected pipe thickness
  • Execution: Bevel, end prep, and marking remain subject to order scope
  • Documents: MTC and traceability are reviewed before release
Material Overview

Stub Ends supply with compact technical detail.

Stub Ends is supplied for applications where service condition, dimensional fit, and project documentation need to remain aligned to the approved technical scope.

  • Material family is reviewed against service condition and fabrication route.
  • Dimensional requirement is aligned to installation, assembly, and project class.
  • Inspection, marking, and documentation are checked before release.
  • Supply condition remains subject to order-specific requirement and material route.
Product Split

Primary stub ends supply scope.

  • Stub Ends standard supply route
  • Stub Ends material options
  • Stub Ends size and class review
  • Stub Ends documentation and inspection
  • Stub Ends application-based execution

Dimensional capability

Parameter Typical Range Notes
Nominal size1/2 in to 48 inLarge size range depends on fitting type and route
Wall thicknessSch 10 to Sch XXSMatched to connected pipe schedule
EndsBevelled and plain endsPrepared as per welding and installation need
ConfigurationLR, SR, concentric, eccentric, equal, reducingVaries by fitting form
Inspection

Inspection and testing scope.

  • Visual and dimensional inspection
  • PMI and NDT where specified
  • Marking and traceability review
  • Material certification check
Documentation

Documents reviewed before dispatch.

  • Mill test certificates
  • Inspection and test records as applicable
  • Dimensional review and dispatch documents
  • Traceability and packing support

Fabrication Use

Suitable for fabricated spools, process modules, utility headers, and field-installed piping systems.

Supply Condition

Seamless, welded, or fabricated fitting route is reviewed against size range and service requirement.

Inspection

Visual, dimensional, PMI, NDT, and certification review can be aligned to project expectations.

RFQ Path

Share size, material, quantity, and inspection scope for stub ends.

Our team reviews product form, material grade, dimensional requirement, testing scope, and delivery schedule before issuing the technical offer.

Submit Specification