4x2.5mm Expanded Metal


Shape:  diamond
LWDxSWD:  4x2.5mm
Thickness:  0.2-0.4mm
Strand Width:  0.1-1.0mm
Material:  Stainless Steel,Steel,Copper,Aluminum,Nickel
Size:   1x1m,1x2m,1.22x2.44m,1x30m,1.22x30m,1.53x30m
Application:  speaker grille,battery mesh,other filtration support

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4x2.5mm Expanded Metal


u QB/T 3896-1999

u Anping Web Wire Mesh Co.,Ltd. Expanded Metal Process and Technical Parameter

Brief Description

4x2.5 mm aperture micro expanded metal is made from 0.2-0.4mm thickness metal plate by uniformly slit and stretched,forming 4x2.5 mm micro diamond opening in the metal sheet. For its uniform small openings and flat surface,it is widely used for headphones grille, speaker grille, phone speaker grille, battery mesh and other filtration support etc.


u Stainless Steel:201, 202, 205, 304, 304L, 316, 316L, 321

u Steel:Q195, Q215, Q235

u Copper:red copper plate (C10200,C11000),brass plate(CuZn40,CuZn37,CuZn35,CuZn30,CuZn20,CuZn5)

u Aluminum: pure aluminum plate, aluminum alloy plate(1050, 5052, 5056)

u Nickel: N2, N4, N6, nickel alloy 2080, monel 400, monel 600

Surface Treatment

u Galvanized: hot-dipped galvanized plate, electric galvanized plate

u PVC coated: Colors in black, green, blue, white, or customized by clients’ request.

u Powder coated: Black, white.

u Anodized

Form types

Standard Expanded Metal is directly slit and stretched by punching machines without other processing,The strand width and bond come in with an angle with the plate surface. This kind structure increase the strength and hardness of expanded metal,it also brings better anti-slipping and reinforcing performance.

Technical parameter

Size: 1x1m,1x2m,1.22x2.44m,1x30m,1.22x30m,1.53x30m


u LWD stands for long way of distance

u SWD stands for short way of distance

u T stands for mesh thickness

u W stands for strand width

u The weight is calculated according to stainless steel. Stainless steel density is 7.93g/cm3,

       copper or nickel density is 8.90g/cm3,aluminum density is 2.73g/cm3


u headphones grille

u speaker grille

u phone speaker grille

u battery current collector mesh

u filtration support


Expanded metal should be packed firmly and securely.When packing,expanded metal appears in roll type and flat type.They are packed in wooden pallets generally.Each pallet load 1 ton-2.5 tons and wrapped with plastic film. We can also pack according to customer requirements.


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