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1100 Stucco Embossed Aluminum Roll

1100 stucco embossed aluminum roll is a commercially pure aluminum coil with a textured, pebble-like surface created through an embossing process. With a minimum aluminum content of 99.00%, alloy 1100 offers excellent corrosion resistance, high thermal conductivity, easy forming, and an attractive industrial finish. The stucco pattern improves surface rigidity while helping conceal handling marks, minor dents, and oil canning commonly visible on smooth aluminum.

This material is widely selected for pipe insulation jackets, HVAC duct covering, refrigerator liners, construction trim, decorative panels, and light-duty industrial cladding. Supplied in coils, it supports continuous processing, slitting, cutting, roll forming, and on-site fabrication with low material waste.

Stucco Embossed Aluminum Sheet

Material Features and Practical Functions

The main function of a 1100 stucco embossed aluminum roll is to provide a lightweight, corrosion-resistant barrier and finish layer. When installed over insulated pipes, tanks, vessels, or ductwork, it protects insulation from moisture, mechanical contact, ultraviolet exposure, and contamination. Its reflective aluminum surface also helps reduce radiant heat absorption in suitable installations.

The embossed face is more than decorative. It distributes minor impact marks across the pattern, creating a cleaner visual appearance than mill-finish sheet. Embossing also adds modest stiffness, helping thin-gauge aluminum retain a flatter appearance during installation. For projects requiring a refined finish with dependable workability, Stucco Embossed Aluminum Sheet can be supplied in coil or cut-sheet forms.

Feature Practical Value
High aluminum purity Strong resistance to atmospheric corrosion and good formability
Stucco embossed surface Conceals scratches, improves appearance, and adds surface rigidity
Low density Reduces structural load and handling effort
Good thermal conductivity Suitable for thermal-management and insulation-jacketing systems
Excellent workability Supports bending, trimming, beading, and light roll forming
Coil supply Enables efficient continuous fabrication and customized slitting
Non-magnetic material Suitable for applications where magnetic interference is undesirable

Chemical Composition of Aluminum Alloy 1100

Alloy 1100 is part of the 1xxx aluminum family. Its high aluminum content provides excellent corrosion behavior and softness compared with stronger aluminum-magnesium or aluminum-manganese alloys. Trace elements are controlled to maintain processing consistency and surface quality.

Element Composition, % by Weight
Aluminum, Al 99.00 min
Silicon + Iron, Si + Fe 0.95 max
Copper, Cu 0.05–0.20
Manganese, Mn 0.05 max
Zinc, Zn 0.10 max
Other elements, each 0.05 max
Other elements, total 0.15 max

The chemical limits may be adjusted within applicable specification requirements, purchase agreements, and regional standards. For insulation cladding, surface cleanliness and coil flatness are often as important as chemistry because they influence installation quality and finished appearance.

Typical Technical Specifications

1100 stucco embossed aluminum roll is available in a broad range of gauges, widths, and coil sizes. Actual supply dimensions should be matched to the equipment, insulation diameter, forming radius, and transportation limits of the project.

Parameter Typical Range or Requirement
Alloy AA 1100 / EN AW-1100
Product form Stucco embossed aluminum coil or roll
Surface pattern Stucco, hammered, or orange-peel style texture
Thickness 0.20–1.20 mm, customizable for project needs
Common thicknesses 0.30 mm, 0.40 mm, 0.50 mm, 0.60 mm, 0.80 mm, 1.00 mm
Width 500–1,600 mm
Common widths 914 mm, 1,000 mm, 1,200 mm, 1,220 mm
Coil inner diameter 150 mm, 300 mm, 405 mm, 508 mm, or as agreed
Coil weight Commonly 1–5 metric tons, depending on handling capacity
Surface options Mill finish, embossed, PVC film protection, paper interleaving
Edge condition Mill edge, slit edge, deburred edge
Flatness Subject to thickness, width, temper, and embossing depth

Temper Conditions and Mechanical Performance

Temper selection determines how the coil behaves during fabrication. Soft tempers are preferred for tight bends, deep shaping, and hand installation around insulated piping. Strain-hardened tempers provide greater dent resistance and improved panel stability but require a larger forming radius.

Temper Condition Typical Application Suitability
O Fully annealed, soft Complex forming, tight wrapping, deep drawing
H12 Quarter-hard Light forming with improved handling strength
H14 Half-hard General insulation jacketing and decorative cladding
H16 Three-quarter-hard Panels requiring improved stiffness and dent resistance
H18 Full-hard Flat or lightly formed applications where maximum hardness is desired
H24 Strain hardened and partially annealed Balanced forming capability and surface durability
Property Typical Value for 1100-H14 Typical Value for 1100-O
Tensile strength 95–125 MPa 75–110 MPa
Yield strength 35 MPa min, typical 20 MPa min, typical
Elongation 5–12% 15–30%
Density 2.71 g/cm³ 2.71 g/cm³
Melting range Approximately 643–657°C Approximately 643–657°C
Thermal conductivity Approximately 220 W/m·K Approximately 220 W/m·K
Electrical conductivity Approximately 59% IACS Approximately 59% IACS

Mechanical figures are representative values rather than guaranteed limits. Thickness, testing direction, temper, embossing deformation, and governing specification can affect final results.

Applicable Standards and Quality References

Material may be produced and inspected under internationally recognized aluminum sheet and coil standards. The chosen standard should be stated in the purchase order, especially when thickness tolerances, tensile properties, testing methods, or packaging requirements are critical.

Standard Scope
ASTM B209 Aluminum and aluminum-alloy sheet and plate requirements
EN 485-1 Technical conditions for inspection and delivery of aluminum sheet, strip, and plate
EN 485-2 Mechanical property requirements for wrought aluminum products
EN 485-4 Tolerances on shape and dimensions for cold-rolled products
EN 573-3 Chemical composition and alloy designation system
GB/T 3880 Chinese standard for aluminum and aluminum-alloy sheets and strips
ISO 6361 Wrought aluminum and aluminum-alloy sheets, strips, and plates

Common Applications

1100 stucco embossed aluminum roll is particularly effective where appearance, corrosion resistance, and easy fabrication matter more than high structural strength. It is often installed as an outer moisture barrier for mineral wool, fiberglass, foam glass, and other insulation systems. Proper joint sealing and compatible fasteners help preserve long-term weather resistance.

Application Area Typical Use
Thermal insulation Pipe jackets, elbows, tanks, boilers, vessels, and duct insulation covers
HVAC systems Duct cladding, equipment housings, condensate-sensitive protection layers
Refrigeration Cold-room panels, refrigerator liners, and insulation facing
Construction Ceiling panels, wall finishes, flashing, trim, and interior decorative surfaces
Transportation Light interior trim and protective panels
Appliances Back panels, heat shields, reflectors, and casing components
General fabrication Roll-formed profiles, signage backing, cabinet panels, and packaging components

Processing and Installation Notes

For best fabrication results, use clean rollers, protective film where appearance is critical, and tools designed for soft aluminum. Avoid dragging coils or sheets across abrasive surfaces because aluminum can scratch despite the textured pattern. When cutting, use sharp blades or shears to minimize burrs along the edge.

In corrosive industrial or coastal environments, evaluate the full system rather than the aluminum alone. Galvanic corrosion can occur when aluminum contacts dissimilar metals in the presence of moisture. Separation tapes, compatible sealants, coated fasteners, and drainage design can extend service life.

1100 stucco embossed aluminum roll offers an economical combination of formability, corrosion resistance, visual texture, and coil-processing efficiency. By selecting the appropriate thickness, width, temper, and surface protection, buyers can tailor the material to insulation, cladding, decorative, and fabrication requirements with reliable performance.

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