Description

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Standard angle is a long steel with 'L' shape cross-section, consisting of two mutually perpendicular sides, which is widely used for structural support and connection in construction, machinery, bridges and other fields. It is characterized by high strength, flexible installation and low cost, and is a commonly used basic profile in engineering.

Product Parameter (Specification)

Products description:

Product information	Parameter	Product intormation	Parameter
Product name	Stainless steel angle bar	Standard	ASTM, JIS, DIN, EN
Length	Customised to customer requirements	Certification	ISO, SGS
Grade-ASTM	304,316,430,Q235,A36,SS400,Q345,Q390& other	Price term	FOB
Technique	Cold-formed hot rolled	Payment terms	T/T L/C
Packaging and delivery
Note : bundle, plastic bags, thin film, wooden pallet, standard seaworthy export packing or as customer demands

Product Feature and Application

Construction

Steel structure workshop: used as beam-column connectors to form the framework of the workshop and support the roof and wall loads.

High-rise building: Used as reinforcement bars or temporary braces for concrete structures to enhance seismic performance.

Roof trusses: formed by welding angles to form a triangular stabilising structure, covering large span spaces such as gymnasiums and warehouses.

Stairs and walkways: Welded angles are used as the keel of steps or the base frame of guardrails, combining load-bearing and safety.

Door and window frames: Cold-formed steel angles are precision-formed and embedded in the wall as a fixed base, suitable for all kinds of door and window systems.

Curtain wall keel: lightweight angle steel to build a hidden support system to carry glass or metal curtain wall panels.

bridge and traffic engineering

Bridge pier reinforcement: multi-layer angles are cross-welded to enhance the pier's ability to resist lateral impact.

Internal support of steel box girder: as the skeleton of cross partition, dispersing the stress of vehicle load.

Railway sleeper connectors: fixing rails and concrete sleepers to prevent displacement and deformation.

Tunnel lighting bracket: corrosion-resistant galvanised angle steel suspension lamps and lanterns pipeline, adapt to the humid environment.

machinery manufacturing and power communications

Heavy equipment base: hot rolled steel angle welded into a grid frame to cushion equipment vibration, such as machine tools, generators.

Conveyor supports: modular angle steel assembly, flexible adjustment of conveyor belt height and angle.

Transmission Tower Structure: Angle steel truss system to build the main body of the tower to resist wind load and wire tension.

5G base station frame: lightweight design to support signal transmitter and antenna equipment.

Cable bridge: Cold-formed angle steel is bent into U-shaped groove, laying strong and weak power lines in layers.

New Energy and Modern Agriculture

Photovoltaic racking system: galvanised angle steel is assembled into adjustable angle brackets, adapting to complex terrain such as mountains and deserts.

Wind turbine platform: Angle steel grid platform provides access for operation and maintenance, and is resistant to salt spray corrosion.

Greenhouse skeleton: low-cost angle steel replaces traditional bamboo and wood structure, extending service life.

Aquaculture net box frame: stainless steel angle welding, resisting seawater erosion and guaranteeing aquaculture safety.

Home and commercial space

Warehouse shelves: standardised angle steel bolt connection, freely adjustable layer height, carrying heavy goods.

Display shelves: plastic spraying colourful angle steel with glass laminates, creating industrial style commercial display.

LOFT style partition: Exposed angle steel combined with wooden panels to create a visual contrast between roughness and modernity.

Special Fields

Ship and ocean engineering: 316L stainless steel angle is used for deck bracket to resist seawater corrosion.

Chemical equipment: acid-resistant angle steel to build pipeline bracket, adapt to the chemical plant acid and alkali environment.

Emergency relief: quickly assembled angle steel temporary shelter to meet the demand for emergency resettlement after disaster.

Production Details

The product specifications in the following table are regular specifications, if there are special circumstances, we can be customised according to customer requirements

Type	Side length (mm)	Thickness (mm)	Theoretical weight (kg/m)	Length (m)
Equilateral angle	20×20	3	0.89	6(customizable)
	30×30	3	1.37
	40×40	4	2.42
	50×50	5	3.77
	60×60	6	5.42
	80×80	8	9.66
Unequal angles	30×20	3	1.12	6(customizable)
	40×25	4	2.11
	50×30	5	3.05
	60×40	6	4.58

FAQ

Q: What is the difference between Q235B and Q345B material?

A: Q235B: Ordinary carbon structural steel, lower strength but good plasticity, easy to weld, suitable for general construction and light structure.
Q345B: low alloy high strength steel, yield strength higher 345MPa, strong impact resistance, suitable for heavy machinery, bridges and other load-bearing requirements of the scene.

Q: Can angles be welded? What do I need to pay attention to?

A: Can be welded, but need to pay attention:
Material matching: Choose welding rods that match the base material.
Temperature control: Avoid high welding temperature leading to steel embrittlement, preheat or post-heat treatment if necessary.
Welding seam design: ensure that the length and thickness of the weld meet the force requirements, to avoid false welding or cracks.

Q: What are the precautions for the storage of angle steel?

A: Stacked with wooden squares at the bottom, keep ventilated and dry to prevent water accumulation and rusting. Store different materials and specifications separately to avoid confusion.

Q: Can angles be directly exposed for outdoor use?

A: Untreated black steel: not recommended for direct exposure, prone to rust, need to be painted with anti-rust paint or other anti-corrosion treatment.
Galvanised/stainless steel angles: can be used directly outdoors, but the plating needs to be checked regularly for breakage (e.g. 316 stainless steel is required for seashores).

Q: How do I calculate the load capacity of an angle?

A: Theoretical calculation: Mechanical calculation based on parameters such as moment of inertia of the section, yield strength of the material, combined with the form of force (bending and compression).
Simplified reference:
For example, 50×50×5mm angle, under a single 6m span, the vertical load bearing capacity is about 500-800kg, which needs to be combined with the actual support method and load distribution.
Suggestion: Complex scenarios need to be designed by professional engineers.

Q: What are the advantages and disadvantages of angles compared to other steel sections?

A: Advantage:
Flexible installation: can be adapted to complex structures by connecting at multiple angles.
Low cost: simple processing, suitable for light support and auxiliary structures.
Disadvantages:
Weak torsion resistance, not suitable as main load bearing beam alone.
Large-span scenes need to be used with I-beams or H-beams.

Q: Is it possible to customise angles with non-standard size or special material?

A: It is possible to customise, but attention should be paid:
Non-standard size: specific side length, thickness and length should be provided, which may involve additional moulding cost.
Special materials: such as stainless steel, weathering steel, etc., need to confirm the material supply capacity and production cycle.

Q: What are some common connections when installing angles?

A: Welding: high strength, suitable for permanent structures, such as plant frames.
Bolt connection: removable, easy to adjust, such as shelves, temporary supports.
Riveting: suitable for vibration environment, such as bridges, heavy machinery.