STJH-STAINLESS-STEEL-WELDED-AIR-DUCT-316L-NO4

Stainless Steel Welded Air Duct 316L No. 4 Exhaust

316L welded exhaust construction for more demanding corrosion exposure.

316L selection addresses more aggressive stainless-service requirements.
Bolted flange options permit sections to be separated for access.

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Product Introduction

The low-carbon molybdenum-bearing stainless grade is selected for exhaust routes where general 304 construction is less suitable. A brushed outer finish and passivated fabrication seams combine cleanable surfaces with flanged assembly for serviceable installation.

Key Features

316L selection addresses more aggressive stainless-service requirements.
Bolted flange options permit sections to be separated for access.

Technical Parameters

Alloy	316L stainless steel
Fabrication Gauge	20–10 gauge
Visible Finish	No. 4 brushed
Longitudinal Joint	TIG welded
Weld Surface Treatment	Passivation
End Style	Flanged
Nominal Length	1524 mm less flange allowance
Section Geometry	Rectangular or circular
Accessories	Stainless cleanout and drain options
Customization	Available for the actual exhaust medium and operating environment.

Applications

Washdown-area exhaust collection
Corrosion-conscious laboratory ductwork

Solutions for Your Application

The selected exposure is demanding for general stainless grades.

316L provides a material alternative suited to a broader range of corrosive conditions.

Deposits need periodic access at joints.

Removable bolted flanges and optional cleanouts provide planned access points.

Available Options

Bolted companion flange sets
Drain fittings

Planning a Stainless Steel Welded Air Duct 316L No. 4 Exhaust specification?

Send us your dimensions, installation conditions, performance targets and required surface finish.

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