FH® Versatile Welded Heat Treatment Mesh Basket for Automotive, Aerospace & Heavy Industry

FH® Welded Heat Treatment Fixtures

Key Benefits

• Precision Welding Technology
  Hybrid laser + TIG welding process – minimal heat-affected zone, full penetration, and smooth spatter-free seams.
• No Weld Drop or Spatter
  Clean welding process eliminates loose weld beads or spatter that can fall onto parts during processing.
• Thermal Fatigue Resistant
  Stress-relieved construction and optimized weld geometry resist cracking through hundreds of heating and cooling cycles.
• Stronger Than Cast
  Welded structures offer higher tensile strength and better impact resistance than cast alternatives – ideal for heavy loads.
• Fully Customizable
  Any size, shape, or configuration – trays, baskets, grids, racks, hanging fixtures, and part-specific designs.

Welding Capabilities

Why Choose FH® Welded Fixtures?

1. Precision Welding – The FH® Difference

2. Clean Operation – No Part Contamination
Weld spatter, loose beads, or rough grinding marks can detach during furnace cycling and fall onto your parts – causing surface defects or rework. FH® laser/TIG welding produces clean, smooth seams that remain intact through hundreds of cycles.

3. Stronger Than Cast – For Heavy Loads

4. Stress-Relieved Construction

• All FH® welded fixtures for high-temperature service (≥600°C) undergo stress relieving after welding. This:
• Reduces residual stresses from welding
• Prevents distortion during first furnace cycles
• Extends thermal fatigue life
  
  

Technical Specifications

Quality Control
Every FH® welded fixture undergoes:

1. Material verification – MTC confirms grade and composition
2. Dimensional inspection – ±1 mm tolerance on critical dimensions
3. Visual weld inspection – No cracks, porosity, or spatter
4. Flatness check – For trays and base trays
5. Load test – On request for heavy-duty designs

Applications
Processes:

• Hardening / Quenching
• Tempering
• Annealing
• Carburizing / Carbonitriding
• Gas / Plasma Nitriding
• Stress relieving

Material Grade Table:

Genuine Photos of FH® Heat Treatment Fixtures

Ordering Process

• Provide furnace internal diameter (or L×W), depth, and access method
• Share part dimensions, max load weight per batch, and operating temperature
• Specify atmosphere (carburizing, carbonitriding, annealing, etc.)
• FH® engineers propose complete system design + 3D layout
• Confirm component quantities (one base tray + number of baskets)
• Production: 15–25 working days
• Delivery includes: MTC, inspection reports, stacking diagram, care guide
  
  

FAQ:

Q1: Why choose welded fixtures over cast fixtures?
A: Welded fixtures offer several advantages:

• Higher strength – better tensile and impact resistance
• Faster lead time – no pattern casting required
• Easier repair – damaged welds can be re-welded
• No porosity – cast parts can have internal voids
• Lower cost for small quantities – no tooling investment
  

For complex geometries or very high-volume runs, cast may still be appropriate – FH® offers both.

Q2: What welding processes does FH® use?
A: We use hybrid laser + TIG welding for most heat treatment fixtures. Laser provides deep penetration with minimal heat input; TIG provides smooth, spatter-free surface finish. This combination produces the strongest, cleanest welds for furnace applications.

Q3: How do I prevent weld cracking in high-temperature service?
A: FH® prevents weld cracking through three methods:

• Material selection – using weldable heat-resistant alloys
• Pre-weld preparation – clean, properly fitted joints
• Post-weld stress relieving – removes residual stresses before first use
  

Our fixtures are designed specifically for thermal cycling.

Q4: Will weld spatter or loose beads fall onto my parts?
A: No. FH® laser/TIG welding produces zero spatter – unlike stick or MIG welding. Weld seams are smooth and fully fused. No post-weld grinding is needed, which means no grinding dust or stress risers.

Q5: Can you repair my existing welded fixture?
A: Yes, if the damage is localized. We can:

• Re-weld cracked joints
• Replace damaged sections
• Reinforce weak areas
  

Contact us with photos for a repair assessment. Severely warped or carburized fixtures are typically not repairable.

Q6: What materials can FH® weld for heat treatment fixtures?
A: We weld all common heat treatment materials:

• Carbon steel (low temperature applications)
• 310S (UNS S31008)
• 1.4828 (X15CrNiSi20-12)
• 1.4849 (X15CrNiSi25-21)
• Inconel / Ni-base alloys
  

Contact us for other alloys.

Q7: Do you provide weld inspection reports?
A: Yes. Standard inspection includes visual and dimensional checks. For critical applications, we can provide dye penetrant (PT) or radiographic (X-ray) inspection reports upon request.

Q8: What is your warranty?
A: 12 months against manufacturing defects (weld cracks, material flaws, poor workmanship). Normal wear including creep, thermal fatigue, and atmosphere attack is not covered – these are expected over time. All fixtures are inspected before shipment.

Q9: How do I place an order for a custom welded fixture?
A: Simple process:

1. Send us your part drawings, furnace dimensions, and process details
2. FH® provides a CAD design and quote within 48 hours
3. Approve design and place order
4. Production: 10–20 working days
5. Delivery with MTC and inspection report