United Metal FabricatorsUnited Metal Fabricators
CAPABILITIES

Cutting, forming, welding, machining, and inspection in one facility.

Cutting, forming, welding, machining, and inspection are performed in-house; special-process finishing runs through qualified, certified processors. Typical delivery is two to five weeks. Every job ships with a complete certification package.

01 · Capabilities

Process capabilities.

Every process below is handled in-house at the Worcester facility or through our qualified, certified processing partners, with certifications flowing down to the job. Equipment, capacities, and certifications are listed per process.

Cutting

01
  • → Waterjet — Calypso, 5′×10′ bed, to 8″ thick, garnet abrasive, any material
  • → Fiber Laser — 6 kW, 5′×10′ bed, to 1″ steel, in-line lot-etching
  • → Cincinnati Shear — 10′ bed, to ¼″ stock

Three-Axis Machining

02
  • → 3-Axis CNC Mill — Prototrak, feature completion on fabricated parts
  • → Lathe Turning — cylindrical features on fabricated components

Forming

03
  • → Press Brake Forming — Verson 150T × 12′; Chicago 90T × 12′; Cincinnati 90T; Diacro 65T
  • → Plate Rolling — GMC roll, to ¼″ thick, 5′ wide
  • → Form-and-Weld Sub-Assemblies — sheet through plate
  • → Hydraulic Press Forming — to 140-ton, custom jigs and dies

Welding

04
  • → GTAW / TIG — manual, back-gas purged for nickel alloys and titanium
  • → GMAW / MIG — carbon and stainless steel, light gauge through heavy section
  • → Pipe & Tube Welding — Sch 10–80
  • → Flux-Core Arc Welding — structural and heavy-section applications
  • → Flame Straightening — thermal distortion correction
  • → Welding Stations — two dedicated, preheat capable
  • → Certifications — AWS D1.1 / ASME Sec IX: stainless, Inconel, Hastelloy, aluminum, Cor-Ten

Finishing

05
  • → Mechanical Finishing — Al-oxide / glass bead blast, dual-operator cabinet, to 8′×3′
  • → Painting — downdraft booth; primer, 2-part epoxy, zinc-aluminum systems
  • → Passivation — ASTM A967, in-house
  • → Plating · Anodize · Galvanizing · Heat Treatment — qualified outside processors; certifications flow down and ship with the job

Inspection

06
  • → CMM Inspection — Keyence XM-5000 optical CMM, ±0.0005″, ~3 m envelope
  • → Material Traceability — mill cert on file; heat and lot tracked in Fulcrum ERP from receipt to shipment
  • → Visual & QC — in-process hold points; MIL-STD-271F / SNT-TC-1A
  • → Laser Lot-Etching — serialized part marking at the fiber laser, in-line

Tooling & Assembly

07
  • → Custom Tooling — weld fixtures, jigs, and dies designed and built in-house
  • → Mechanical Assembly — to 10′ envelope
  • → Recurring Low-Rate Production — standing weekly runs at single-digit unit quantities, kitted and packaged to program requirements
02 · Equipment

Primary equipment.

Calypso Waterjet
Abrasive cutting
Cut area 5′×10′To 8″ thickGarnet abrasive
×1
Fiber Laser
Thermal cutting
Bed 5′×10′To 1″ steelIn-line lot etching
×1
Keyence CMM
Dimensional inspection
~2.5–3 m envelope±0.0005″ accuracy
×1
Verson Press Brake
Forming
150T capacity12′ bedExotic alloy capable
×1
GMC Plate Roll
Forming
5′ wideTo ¼″ thick
×1
Dual-Operator Blast Cabinet
Finishing
To 8′ × 3′Al-oxide / glass bead
×1
Prototrak CNC Mill
Machining
3-axisFeature completion on fab parts
×1
Master-Welder Stations
Welding
TIG / MIGBack-gassedPreheat capable
×2
03 · Materials

Materials.

Sheet and plate fabrication in carbon steel, stainless steel, aluminum, alloy steel, and high-temperature nickel alloys. Heat and lot traceability on all material.

Standard Alloys

  • → Carbon steel (mild, low-carbon)
  • → Stainless steel (304, 316, 17-4, 321)
  • → Aluminum (structural and aerospace grades)
  • → Galvanized and Cor-Ten weathering steel
  • → Chromoly (4130, 4140)

High-Temperature / Nickel

  • → Inconel (625, 718)
  • → Hastelloy (C-276 and variants)
  • → Titanium (sheet and plate)
  • → Monel
  • → High-nickel alloys

Forms Accepted

  • → Sheet (light gauge through structural)
  • → Plate (up to 8″ thick via waterjet)
  • → Bar and structural shapes
  • → Tube and pipe (Sch 10–80)
  • → Customer-supplied material with mill cert
04 · What We Make

Part types and program history.

Non-rotating structural and consumable hardware for high-temperature, high-vibration service, produced in quantities below the threshold of automated production lines.

Representative Part Types

  • → Gas turbine insulation packs and blankets
  • → Inconel and flexible metal seals
  • → Thrust shims and spacer rings
  • → Combustion component enclosures and brackets
  • → Weldments and structural sub-assemblies
  • → Pressure-containing enclosures
  • → Custom brackets and frames (defense and robotics)
  • → Sheet metal housings and covers
  • → Pipe and tube assemblies (Sch 10–80)
  • → Recurring low-rate production kits

Key Program Stats

800+
Turbine line items with zero NCRs in 2025
2–5 wk
Typical delivery (4–7 weeks quoted)
<48 hr
Quote turnaround from print submission
±0.0005″
CMM inspection accuracy
~90%
Of production is gas turbine hardware
05 · Process

Production sequence.

Every job follows the same documented sequence, independent of quantity.

01

Quote

  • Submit print and material specification. Quotes are typically returned in under 48 hours. Small and medium quantities welcome; no minimum order quantity.
02

Material

  • Sourced by UMF or customer-supplied. Mill certs on file before first cut. Heat and lot numbers recorded at receiving.
03

Fabricate

  • Cutting, forming, welding, and machining in-house. Fixtures built for the part geometry. In-process hold points at each operation.
04

Finish

  • Blast, paint, and passivation in-house. Plating and anodize through qualified processors with certification flow-down.
05

Inspect

  • Keyence CMM to ±0.0005″. Visual weld inspection per MIL-STD-271F. Certification package assembled before release.
06

Deliver

  • 2–5 week typical delivery. Parts laser lot-etched, labeled, and packaged. Traceability record retained in Fulcrum ERP.
06 · Certifications

Certifications and registrations.

Welding and inspection certifications held; federal registrations active.

  • ✓AWS Welding Certification (American Welding Society)
  • ✓ASME Section IX Certified Welding — SS, Inconel, Hastelloy, Aluminum, Cor-Ten, low-carbon
  • ✓NDT Visual Weld Inspection — MIL-STD-271F / SNT-TC-1A
  • ✓SAM.gov Active Registration
  • ✓NCAGE 1JYF2 (NATO Commercial and Government Entity)
  • ✓P28A-AL-0002 Audited and Compliant (GE Supplier # 102626)
  • ✓Fulcrum ERP material traceability (receipt to shipment)
07 · Facility

Facility.

Single location, 16 employees, veteran-owned.

Location
1021 Southbridge St., Worcester, MA 01610
Facility Size
14,000 sq ft manufacturing floor
Main Bay
35 ft H × 28 ft W × 160 ft L
Overhead Cranes
10-ton cab crane + two 2-ton cranes
Drive-in Access
Direct flatbed crane-load dock
Employees
16 (veteran-owned and led)
Founded
1992 — under new veteran ownership since 2024
ERP System
Fulcrum (real-time lot traceability)

Request a quote.

Send the print and the material specification. Quotes are returned in under 48 hours, with DFM considerations flagged before fabrication begins.

(508) 754-1800
Mon–Fri, shop hours
1021 Southbridge St
Worcester, MA 01610
Or submit your prints online →