Stainless Steel Standard Expanded Metal

First, we will select high-quality stainless steel plates, typically of the 304/316 or 316L grades, to ensure excellent rust resistance, chemical corrosion resistance, and performance under extreme temperatures. Through cutting and stretching processes, regular slits are cut into the steel plates, which are then uniformly stretched to form a mesh structure with uniform holes, clear edges, and stable structure. Unlike welded mesh or woven mesh, expanded mesh has no welding points, which maintains the integrity of the stainless steel material and enhances its mechanical strength, making it more resistant to impact, pressure, and wear. The hole size, mesh thickness, and mesh shape (such as rhombus, square, or hexagon) can be customized according to specific application requirements, providing great flexibility for different usage scenarios.

In terms of application, stainless steel expanded mesh has a wide range of uses due to its outstanding performance. In the architectural field, it is commonly used as exterior wall cladding, ceiling decoration, partition screens, and stair railings, not only adding a modern and simple aesthetic to buildings but also playing roles in ventilation, light transmission, and safety protection. In the industrial sector, it is widely applied in equipment protection, filter screens, conveyor belts, and chemical reactor internals, thanks to its corrosion resistance and high strength that can adapt to harsh industrial environments. In the agricultural and environmental protection fields, it is used as greenhouse screens, aquaculture nets, and sewage treatment filters, effectively isolating impurities and ensuring the normal operation of related equipment. Additionally, it is also used in the automotive industry, aerospace, and daily necessities, such as car grilles, aircraft engine protection nets, and household window screens. With its excellent comprehensive performance and diverse customization options, stainless steel expanded mesh has become an indispensable key product in many fields, and its application scope is still expanding with the continuous advancement of manufacturing technology.

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Hole Patterns


Diamond	Fan-shaped	Round	Gothic	Hexagonal

Product Specification

Table 2: Specifications of Stainless Steel Standard Expanded Metal
Style	Minimum Thickness (inches)^A	Nominal Weight in lbs./100 Sq. Ft.^B	Design Size (inches)^C		Opening Size (inches)^C			Strand Size (inches)			Overall Thickness (inches)	Open Area
Style	Minimum Thickness (inches)^A	Nominal Weight in lbs./100 Sq. Ft.^B	SWD	LWD	SWO	LWO		Width		Thickness	Overall Thickness (inches)	Open Area
½"-#18	0.044	69	0.500	1.20	0.383		0.937	0.087	0.048		0.178	65%
½"-#16	0.055	87	0.500	1.20	0.372		0.937	0.087	0.060		0.183	65%
½"-#13	0.085	143	0.500	1.20	0.418		0.876	0.096	0.090		0.254	62%
¾"-#18	0.044	46	0.923	2.00	0.790		1.750	0.106	0.048		0.212	77%
¾"-#16	0.055	57	0.923	2.00	0.779		1.760	0.106	0.060		0.217	77%
¾"-#13	0.085	87	0.923	2.00	0.751		1.687	0.107	0.090		0.232	77%
¾"-#9	0.128	194	0.923	2.00	0.666		1.562	0.160	0.135		0.347	65%
1½"-#16	0.055	43	1.33	3.00	1.179		2.750	0.115	0.060		0.234	83%
1½"-#13	0.085	65	1.33	3.00	1.152		2.625	0.115	0.090		0.246	83%
1½"-#9	0.128	130	1.33	3.00	1.077		2.500	0.155	0.135		0.338	77%
^A The minimum thickness is absolute, not subject to minus variation. ^B A variation in weight per square ft. of ±10% is permissible, based on the weight of any sheet or bundle. ^C A tolerance of ±10% is permitted in dimensions, center to center.

Production Workflow

Raw material

Our raw material steel plates are supplied by recognized companies such as Baosteel and Shougang Group. When the materials arrive, our quality control team performs detailed testing on chemical composition, dimensions, and related specifications to guarantee they meet or surpass quality requirements.

Stamping

Our company is equipped with advanced 4000 mm ultra-wide expanded metal manufacturing machines, as well as flattening and leveling equipment. We have developed and accumulated more than 1,000 types of precision molds for expanded metal, allowing us to satisfy customer demands for larger-sized materials. We can also select or customize new mesh patterns to meet requirements related to strength, appearance, ventilation, and shading.

Flattening

Our workshop is equipped with comprehensive deep-processing machinery such as cutting, flattening, bending, and welding equipment. With these capabilities, we can deliver customized processing solutions for expanded metal products to meet diverse application needs.

Leveling

Using high-precision leveling machinery, we ensure that the mesh surface remains flat, with evenly distributed openings and superior flatness tolerance. With many years of expertise and multiple CNC leveling machines, our skilled team optimizes operational parameters to maintain high productivity and consistent product quality.

Surface treatment

Our company offers a comprehensive range of surface treatment solutions, such as galvanizing, powder coating, anodizing, and PVDF coating. These finishes provide excellent durability and an appealing appearance for both functional and decorative uses.

Quality inspection

During manufacturing, our technical staff closely monitor processes such as punching, flattening, shearing, and leveling. This ensures that product quality can be evaluated continuously while also allowing us to detect and improve any weaknesses in the production process.

Packaging

Our packaging solutions are designed according to the chemical and physical properties of the products. Waterproof, moisture-resistant, and protective materials are used to minimize the risk of damage during shipping. We also offer customized packaging to meet individual customer specifications.