Stainless Steel Flattened Expanded Metal

Stainless Steel Flattened Expanded Metal is a corrosion-resistant metal mesh product manufactured from high-quality 304 or 316 stainless steel sheets. These stainless steel sheets boast excellent rust and acid-alkali resistance, and feature non-magnetism, non-toxicity and high toughness, making the product suitable for scenarios with stringent requirements for hygiene, corrosion resistance and long-term stability.

In the production process, high-precision slitting and stretching are first applied to the stainless steel sheets to form a rigid and integral expanded metal mesh. The primary formed mesh is then subjected to a professional flattening process and cold-rolled to create a fully smooth and flat surface, eliminating the distinctive raised strands of standard expanded metal. The product's surface is snag-free for safe use and easy to clean, while still retaining exceptional load-bearing capacity and structural stability.

With its premium comprehensive performance, this product is widely used in various professional fields. In hygienic and highly corrosive environments, it is ideal for operating platforms, walkways and safety guardrails in facilities related to food processing, pharmaceuticals, chemical engineering and marine engineering-scenarios that demand superior ease of cleaning and corrosion resistance. In the architectural decoration field, it can be used for modern building facade cladding, sleek interior decorative mesh, ornamental balustrades and signage, presenting a highly contemporary metallic finish with long service life and minimal maintenance needs. In high-strength functional application scenarios, it is suitable for filtration systems, machinery infill panels, processing trays and other applications, meeting their requirements for a smooth, robust and contamination-free surface.

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Hole Patterns


Diamond	Fan-shaped	Square	Round

Product Specification

Table 2: Specifications of Stainless Steel Flattened 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	0.037	66	0.500	1.26	0.304		1.000	0.098	0.041		0.041	61%
½"-#16	0.047	84	0.500	1.26	0.302		1.000	0.099	0.051		0.051	60%
½"-#13	0.072	136	0.500	1.26	0.236		0.915	0.107	0.076		0.076	57%
¾"-#18	0.037	43	0.923	2.10	0.687		1.812	0.118	0.041		0.041	74%
¾"-#16	0.047	54	0.923	2.10	0.687		1.812	0.118	0.051		0.051	74%
¾"-#13	0.072	83	0.923	2.10	0.683		1.750	0.120	0.076		0.076	74%
¾"-#9	0.108	185	0.923	2.10	0.593		1.687	0.179	0.114		0.114	61%
1½"-#16	0.047	41	1.33	3.15	1.074		2.750	0.128	0.051		0.051	81%
1½"-#13	0.072	62	1.33	3.15	1.070		2.625	0.130	0.076		0.076	80%
1½"-#9	0.108	124	1.33	3.15	0.960		2.625	0.174	0.114		0.114	74%
^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.