SKU: 10230149457

HPS 3.5" 4" OD, 4" Long 6061 Aluminum Step Up Transition Joiner Reducer Tube Piping (STEP AT350 400) (STEP-AT350-400)

Sale price$27.83 Regular price$30.92
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Ships within 48 hours · Estimated delivery Sep 13 - Sep 18

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Description

HPS 3.5" 4" OD, 4" Long 6061 Aluminum Step Up Transition Joiner Reducer Tube Piping (STEP AT350 400) (STEP-AT350-400)HPS 3. 5" 4" OD 16 Gauge 6061 T6 Aluminum Step Up Transition Joiner with 4" Length are commonly used in industrial, automotive, marine and aerospace industry; Great for custom fabrication project such as DIY welding, high performance air intake kit, cooling radiator and heater systems, turbo intercooler piping and charge pipe setup. 6061 aluminum is the most popular and versatile alloy, and is the least expensive of the heat treatable aluminum alloys.

HPS 3.5" - 4" OD 16 Gauge 6061 T6 Aluminum Step Up Transition Joiner with 4" Length are commonly used in industrial, automotive, marine and aerospace industry; Great for custom fabrication project such as DIY welding, high performance air intake kit, cooling radiator and heater systems, turbo intercooler piping and charge pipe setup. 6061 aluminum is the most popular and versatile alloy, and is the least expensive of the heat treatable aluminum alloys. HPS aluminum round tubing step up transition reducer joiner is sold in the T6 condition, ideal for sawing, machining, sanding, and polishing. The aluminum step up transition joiner tube can be polished, but due to the softness of the aluminum, care must be taken not to remove too much material, especially in the area near any welds.

Product Specification
- Product Type: Aluminum Step Up Transition Joiner
- Material: 16 Gauge 6061-T6 Aluminum.
- Tubing Outside Diameter: 3-1/2" - 4" (89mm - 102mm)
- Tubing Inside Diameter: 3-3/8" - 3-7/8" (86mm - 98mm)
- Length: 4"
- Wall Thickness: 0.065" (1.65mm)

Remark: HPS does NOT recommend 6061 Aluminum to be used for exhaust systems.

Features:

  • Tubing outside diameter: 3-1/2 - 4 inch (89mm - 102mm). Length: 4 inch.
  • Material: 16 Gauge 6061-T6 aluminum. Wall thickness: 0.065 inch (1.65mm)
  • Tubing inside diameter: 3-3/8 - 3-7/8 inch (86mm - 98mm).
  • Commonly used in industrial, automotive, marine and aerospace industry. Great for custom fabrication DIY project and welding.
  • Create your high performance air intake kit, cooling radiator and heater systems, turbo intercooler piping and reducing tubing setup.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 10230149457

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john w gardner jr
Boise, US
★★★★★ 5
Buy!
Color: Black/Negative
Great watch
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 22, 2026
L
Verified Purchase
Luna
Draper, US
★★★★★ 4
No instructions
Color: Black/Negative
Watch is good, but it came with no instructions bc this is very confusing to figure out. Backlight is great effect and really nice for the value. Easy to see and read
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Reviewed in the United States on May 29, 2026
N
Verified Purchase
Nethercott
Carnegie, US
★★★★★ 5
Functional and great look!
Color: Black, Color: Black
This is my third watch I’ve had in the last 10 years. I bought my first one in 2014 when I was doing triathlons. My second one just died after surfing/working in a hospital with it for the last 3-4 years. I could of just changed the battery but for $40 and it will last, I thought hmmm let’s just get a new one. No complaints! Shipping arrived in 2 days, and the price can’t be beat. If you are looking for a simple watch to wear and not having to worry about getting it messed up this is it! I had a garmin 410xt that I had to charge etc but this watch is extremely convenient and comfortable. High recommend!
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Reviewed in the United States on August 30, 2023
G
Verified Purchase
Gregory C.
Lake Worth, US
★★★★★ 3
Not great...
Color: Black/Negative
The dial is so dark that I can barely see the numbers. Very, very disappointing.
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Reviewed in the United States on May 4, 2026
G
Verified Purchase
GARY
Belleville, US
★★★★★ 5
PERFECT
Color: Black
Watch is light weight. Has a good feel on the wrist and easy to read during the day and easy to read with the indigo back light at night. I have large wrists and this size is good. For smaller people it might be to large. The functions work well and its water tight. Its durable and keeps on ticking.
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Reviewed in the United States on September 4, 2024

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