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AS/NZS 3678 Grade 350 Hot Rolled H Beam Universal Column Section Welded Steel Structure Member

Name: AS/NZS 3678 Grade 350 Hot Rolled H Beam Universal Column Section Welded Steel Structure Member
Brand: FAMOUS Steel Engineering Company
SKU: AS/NZS 3678 Grade 350 H Beam
Price: 10000 USD
Availability: InStock

Product Details

Place of Origin: Zhejiang, China

Brand Name: FAMOUS

Certification: ISO 9001:2015, Mill Test Certificate

Model Number: AS/NZS 3678 Grade 350 H Beam

Payment & Shipping Terms

Minimum Order Quantity: 1 x 20GP Container

Price: Quotation on request

Packaging Details: Steel strapping with timber dunnage between layers, edge protection, suitable for container or break bulk shipment

Delivery Time: Confirmed per project schedule

Payment Terms: L/C,D/A,D/P,T/T

Supply Ability: Confirmed per order schedule

Get Best Price

Product Details

Product Description

Highlight: 
                                                                                                                                                                                                                                                                                                                                                                                AS/NZS 3678 Grade 350 H Beam, Hot Rolled Universal Column Section, Welded Steel Structure Member
                              

Steel Standard:	AS/NZS 3678	Steel Grade:	Grade 350
Section Type:	Hot Rolled H Beam / Welded Universal Column Section	Minimum Yield Strength:	350 MPa
Tensile Strength:	450 MPa	Impact Grade Option:	Grade 350L0 / Grade 350L15
Surface Treatment:	As Rolled, Shot Blasted Or Shop Primed	Length:	Cut To Order
Fabrication Service:	Cutting, Drilling, Coping, Welding, Priming	Inspection:	Mill Test Certificate Per Heat Number

Steel Standard:	AS/NZS 3678
Steel Grade:	Grade 350
Section Type:	Hot Rolled H Beam / Welded Universal Column Section
Minimum Yield Strength:	350 MPa
Tensile Strength:	450 MPa
Impact Grade Option:	Grade 350L0 / Grade 350L15
Surface Treatment:	As Rolled, Shot Blasted Or Shop Primed
Length:	Cut To Order
Fabrication Service:	Cutting, Drilling, Coping, Welding, Priming
Inspection:	Mill Test Certificate Per Heat Number

AS/NZS 3678 Grade 350 Hot Rolled H Beam Universal Column Section Welded Steel Structure Member

AS/NZS 3678 · GRADE 350

Hot Rolled H Beam & Universal Column Section

Welded steel structure member fabricated from 350 MPa structural steel plate, cut drilled and primed to project drawing

350 MPa Min Yield450 MPa Tensile350L0 / 350L15 ImpactMill Test CertificateCut To Order

Product Overview

This AS/NZS 3678 Grade 350 hot rolled H beam is a load bearing structural steel member built for Australian and New Zealand projects. Each universal column section delivers a minimum yield strength of 350 MPa, mill test traceability per heat number, and fabrication ready surfaces, supplied either as a hot rolled universal beam or as a welded built up H section cut and drilled to your structural drawing.

The section is produced from AS/NZS 3678 Grade 350 structural steel plate, which lets us control flange and web thickness, weld quality and hole position to match the engineer design. Where a specification calls for a rolled profile, hot rolled universal column equivalents to AS/NZS 3679.1 Grade 350 are available on request. Low temperature impact grades 350L0 and 350L15 can be supplied for cold climate and dynamic load service.

Key Features

350 MPa Yield Strength

AS/NZS 3678 Grade 350 structural steel with 450 MPa tensile strength for heavy load columns and rafters.

Dual Supply Route

Hot rolled universal column section, or welded built up H beam fabricated from Grade 350 plate.

In House Fabrication

Cutting, drilling, coping, notching, welding and shop priming completed before shipment.

Impact Tested Options

Grade 350L0 and Grade 350L15 for cold climate and dynamic load applications.

Full Traceability

Mill test certificate issued per heat number with every steel structure member delivery.

Dimensional Control

Straightness, flange squareness and web alignment verified against AS/NZS 3678 tolerance.

Technical Specifications

Steel Standard	AS/NZS 3678 — hot rolled structural steel plates, floorplates and slabs
Steel Grade	Grade 350 (350 MPa minimum yield strength)
Section Type	Hot rolled H beam / universal column section (UC), or welded built up H section
Minimum Yield Strength	350 MPa
Tensile Strength	450 MPa
Elongation	Approximately 20 percent, dependent on plate thickness
Impact Grade Options	Grade 350L0 (27 J at 0 degrees C) / Grade 350L15 (27 J at minus 15 degrees C)
Surface Finish	As rolled; shot blasted or shop primed on request
Length	Cut to order to suit the project cutting list
Edge and Detail Work	Mill edge or sheared edge, drilled and coped per drawing
Welding	Fully welded built up sections, weld inspection and NDT available
Inspection	Mill test certificate per heat number, third party inspection on request

Fabrication Process

Plate Selection
AS/NZS 3678 Grade 350 plate verified against mill certificate and heat number.

CNC Cutting
Flange and web components cut to the structural cutting list with recorded dimensions.

Welding
Submerged arc and MIG welding of built up H beams and welded column sections.

Drilling and Details
Base plate, splice and connection holes drilled; stiffeners, end plates and cleats welded.

Surface Treatment
Shot blasting and shop primer, with hot dip galvanizing coordination on request.

Marking and Packing
Every member marked and match numbered for site erection, then bundled for export.

Typical Applications

Industrial Sheds

Portal frame columns and rafters for warehouses and factory buildings.

Multi Storey Frames

Primary columns and mezzanine floor beams for steel building frames.

Commercial Buildings

Showrooms, aircraft hangars and pre engineered building framing.

Mining and Plant

Conveyor gantries, equipment skids and heavy support structures.

Bridges

Girders and heavy fabricated steel structure assemblies.

Structural Upgrades

Replacement columns and transfer beams for existing steel frames.

Quality Control

Incoming plate verified against AS/NZS 3678 Grade 350 mill certificates
Chemical composition and mechanical properties confirmed per heat number
Weld procedure qualification and welder qualification records maintained
Dimensional inspection of flange width, web thickness, straightness and hole position
Visual and dimensional report issued before shipment, third party inspection welcome

Packing and Delivery

Members bundled by section type and marked with project item numbers
Timber dunnage between layers to protect primed surfaces
Steel strapping and edge protection for container loading
Break bulk and flat rack options for long structural steel members
Loading plan and packing list issued with shipping documents

Frequently Asked Questions

Is AS/NZS 3678 the correct standard for H beams?

AS/NZS 3678 covers hot rolled structural steel plates, floorplates and slabs. Our H beams are fabricated from AS/NZS 3678 Grade 350 plate into welded built up sections, or supplied as hot rolled universal column sections to AS/NZS 3679.1 Grade 350 where the design specifies a rolled section. Both routes deliver a 350 MPa minimum yield structural steel member and are accepted on Australian and New Zealand projects.

What is the difference between Grade 350, 350L0 and Grade 350L15?

Grade 350 is the base structural grade with 350 MPa minimum yield strength. Grade 350L0 adds Charpy impact testing of 27 J at 0 degrees C, and Grade 350L15 adds 27 J impact testing at minus 15 degrees C for colder service conditions.

Should I choose a welded H beam or a hot rolled universal beam?

A hot rolled universal column section is economical for standard profiles. A welded built up H beam from AS/NZS 3678 Grade 350 plate is more flexible when non standard flange and web combinations, long spans or heavy loads are required, and makes stiffener and connection integration easier.

Can the section be cut, drilled and primed to my drawing?

Yes. We fabricate to the project cutting list and structural drawings, including hole drilling, coping, end plate welding and shop priming, then mark each member for site erection.

Do you provide mill test certificates?

Every shipment includes mill test certificates per heat number covering chemical composition and mechanical properties, with third party inspection available on request.

Need a quotation for your AS/NZS 3678 Grade 350 H beam package?

Send your structural drawings or cutting list and we will reply with section schedule, fabrication scope and delivery plan.

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AS/NZS 3678 Grade 350 Hot Rolled H Beam Universal Column Section Welded Steel Structure Member

AS/NZS 3678 Grade 350 H Beam

Hot Rolled Universal Column Section

Welded Steel Structure Member

Product Overview

Key Features

Technical Specifications

Fabrication Process

Typical Applications

Quality Control

Packing and Delivery

Frequently Asked Questions

steel fabrications,

structural steel fabrication,

Industrial Steel Buildings

Commercial Steel Buildings

Aircraft Hangar Buildings

Multi-Storey Steel Building

Structural Steel Fabrications

Pre-Engineered Building

Industrial Garage Doors