Stainless steel wire mesh is one of the most widely used metal mesh products in industrial filtration, separation, protection, and decoration industries. Different stainless steel grades directly determine the mesh’s corrosion resistance, high-temperature resistance, service life, magnetic performance, and applicable working environments.
Most buyers encounter confusion when selecting mesh grades: 201, 304, 304L, 316, 316L are the five mainstream stainless steel wire mesh grades on the market. Each grade has unique chemical composition, mechanical performance, and cost positioning. Choosing the correct grade can effectively avoid rusting, deformation, short service life, and excessive procurement costs.
In this guide, we systematically introduce the classification, core features, advantages, limitations, and typical application scenarios of all common stainless steel wire mesh grades, helping global customers make accurate purchasing decisions.
1. SS201 Stainless Steel Wire Mesh
Material Features
SS201 is an economical austenitic stainless steel grade with manganese replacement for part of nickel elements. It features low cost, good ductility, and excellent weaving performance.
– Low and medium corrosion resistance
– Good flexibility and easy processing
– Slight magnetism after cold working
– Maximum temperature resistance: 300°C
– Low price, high cost performance
Application Scenarios
SS201 wire mesh is only suitable for dry indoor non-corrosive environments:
– Indoor decorative mesh
– Civil ordinary screening and filtering
– Indoor isolation protection mesh
– Low-demand ventilation nets
Limitation
Poor rust resistance. It is easy to oxidize and rust in humid, outdoor, coastal, acid-base environments, not recommended for industrial long-term use.
2. SS304 / SS304L Stainless Steel Wire Mesh (Universal Industrial Grade)
Material Features
SS304 is the most versatile and mainstream industrial stainless steel grade, known as “general-purpose stainless steel”. It contains 18% chromium and 8% nickel, achieving balanced corrosion resistance and mechanical strength.
SS304 Standard Version
– Excellent atmospheric corrosion resistance
– High tensile strength, stable structure
– High temperature resistance up to 800°C
– Anti-rust, wear-resistant, non-toxic and hygienic
– Weak magnetism
SS304L Low-Carbon Version
– Ultra-low carbon content (≤0.03%)
– Effectively prevents intergranular corrosion after welding
– Better welding performance and durability
– More suitable for welded and deep-processing mesh products
Application Scenarios
SS304/304L wire mesh covers 80% of conventional industrial scenes:
– Food processing filtration
– Water treatment and sewage filtration
– Chemical ordinary filtration
– Mechanical equipment protective mesh
– Construction and municipal isolation nets
– Farm and breeding ventilation mesh
Advantage
Balanced quality and price, stable performance, no rust in ordinary outdoor and humid environments, the most cost-effective choice for bulk industrial procurement.
3. SS316 / SS316L Stainless Steel Wire Mesh (High-End Anti-Corrosion Grade)
Material Features
SS316 series is upgraded based on 304 steel, adding molybdenum (Mo) element. It is a professional anti-corrosion and high-end marine grade stainless steel.
Core Advantages
– Super resistance to acid, alkali, salt and chloride corrosion
– Excellent seawater and coastal anti-rust performance
– High temperature and high pressure resistance
– Strong oxidation resistance, longer service life
SS316L Feature
Lower carbon content, stronger welding corrosion resistance, suitable for harsh chemical and marine engineering environments.
Application Scenarios (High Standard Working Conditions)
– Marine engineering, coastal equipment filtration
– Chemical acid-base liquid filtration
– Pharmaceutical and medical industry filtration
– Petrochemical and high-precision filtration
– Salt water and corrosive liquid separation
– High-end food and beverage purification equipment
Limitation
Higher price, mainly used for high-demand harsh environments.
Stainless Steel Wire Mesh Grade Comparison Table
How to Choose the Right Stainless Steel Wire Mesh Grade?
1. Indoor decoration & low-budget civil use: Choose 201 grade
2. Ordinary industry, outdoor humid environment, food filtration: Choose 304 / 304L grade (first choice for bulk order)
3. Coastal area, seawater contact, acid-base chemical environment: Choose 316 / 316L grade
4. Welded mesh products and deep processing projects: Priority to 304L / 316L
About Us
We are a professional manufacturer specializing in customized stainless steel wire mesh, metal filter mesh, and industrial woven mesh products.
We supply full-grade stainless steel mesh including 201, 304, 304L, 316, 316L, supporting custom mesh count, wire diameter, width, length, and special weaving types (plain weave, twill weave, Dutch weave).
All our products adopt standard industrial raw materials, strict quality inspection, stable anti-rust and filtration performance, widely exported to Europe, America, Southeast Asia, and Middle East markets.
We provide free sample testing, OEM customization, and fast global shipping. Welcome to contact us for factory wholesale price and technical support.