Product Overview

Bombay Metal Corporation is a leading manufacturer, stockist, supplier, and exporter of Stainless Steel Wire Mesh, supplying industries across India and international markets. Our wire mesh range is available in twelve grades spanning austenitic, ferritic, and martensitic families — each selected to match the precise demands of its service environment, from everyday filtration and fencing to corrosive chemical processing and extreme-heat industrial furnaces.
Stainless steel wire mesh is manufactured by weaving, welding, or knitting corrosion-resistant wire into open-grid panels or rolls. Unlike carbon steel mesh, it needs no protective coating, retains its mechanical properties across a wide temperature range, and resists rust, scaling, and chemical attack. This makes it the preferred mesh material in food processing, pharmaceuticals, petrochemicals, architecture, water treatment, and defence applications.
We supply wire mesh in multiple weave patterns — Plain Weave, Twill Weave, Dutch Weave (plain and twill), Welded Mesh, Hexagonal Mesh, Netting, and Fencing Mesh — across all twelve grades listed below. All products comply with ASTM A 164, ASME SA 164, and relevant IS, DIN, and BS specifications. Custom widths, apertures, and wire diameters are available against indent.
Available Grades & Their Details
The following table provides a quick metallurgical comparison across all twelve wire mesh grades. Individual grade descriptions, applications, and size charts follow below.
|
Grade |
Structure |
Cr % |
Ni % |
Mo % |
Special Element |
Key Characteristic |
|
201 / 202 |
Cr-Mn Austenitic |
16–18 |
3.5–5.5 |
– |
Mn 5.5–7.5% |
Economy grade; Ni replaced by Mn; moderate corrosion resistance |
|
304 / 304L / 304H |
Austenitic |
18–20 |
8–10.5 |
– |
C variants |
Industry workhorse; excellent corrosion resistance, easy to fabricate |
|
309 / 309S |
Austenitic |
22–24 |
12–15 |
– |
– |
Elevated Cr-Ni; heat resistance up to 980 °C; dissimilar welds |
|
310 / 310H |
Austenitic |
24–26 |
19–22 |
– |
C 0.04–0.10 |
Maximum heat resistance up to 1100 °C; excellent oxidation resistance |
|
316 / 316Ti / 316L |
Austenitic |
16–18 |
10–14 |
2–3 |
Ti (316Ti) |
Mo-bearing; superior pitting & crevice resistance; marine & chemical grade |
|
317 / 317L |
Austenitic |
18–20 |
11–15 |
3–4 |
– |
Higher Mo than 316; enhanced resistance in strongly reducing acid environments |
|
321 / 321H |
Austenitic |
17–19 |
9–12 |
– |
Ti ≥ 5×C |
Ti-stabilised; sensitisation-free; elevated temperature service |
|
347 / 347H |
Austenitic |
17–19 |
9–13 |
– |
Nb ≥ 10×C |
Nb-stabilised; immune to intergranular corrosion after welding |
|
409 |
Ferritic |
10.5–11.75 |
≤ 0.5 |
– |
Ti |
Economy ferritic; high-temp exhaust applications; no Ni |
|
410 |
Martensitic |
11.5–13.5 |
≤ 0.75 |
– |
– |
Hardenable; high strength & wear resistance; moderate corrosion resistance |
|
446 |
Ferritic |
23–27 |
– |
– |
N ≤ 0.25% |
High Cr ferritic; outstanding oxidation resistance up to 1090 °C |
|
904L |
Super Austenitic |
19–23 |
23–28 |
4–5 |
Cu 1–2% |
Ultra-low carbon; exceptional resistance to H₂SO₄ and phosphoric acid |
Grade-Wise Details, Applications & Uses
1. Stainless Steel 201 / 202 Wire Mesh
Structure: Chromium-Manganese Austenitic
Grades 201 and 202 are cost-effective alternatives to 304, where manganese and nitrogen partially substitute nickel to maintain austenitic structure at lower material cost. Chromium content of 16–18% provides moderate atmospheric and mild acid corrosion resistance. These grades offer good formability, reasonable tensile strength, and are non-magnetic in the annealed condition. Available as woven and welded mesh in wire diameters from 0.5 mm to 4.0 mm, mesh sizes 10 × 10 to 100 × 100 mm.
Applications: General fencing, storage racks, decorative panels, window guards, grilles, low-cost filtration, agricultural netting, and domestic security applications.
2. Stainless Steel 304 / 304L / 304H Wire Mesh
Structure: Austenitic
The 304 family is the most widely specified stainless steel wire mesh globally, offering an outstanding balance of corrosion resistance, formability, strength, and economy. The 304L sub-grade has carbon ≤ 0.03% for improved weld-zone corrosion resistance, while 304H has elevated carbon (0.04–0.10%) for enhanced creep strength at temperatures above 525 °C. All three are non-magnetic in the annealed state and readily available in plain weave, twill weave, Dutch weave, welded, and hexagonal mesh forms. Wire diameters range from 0.025 mm (fine filtration) to 6.0 mm (heavy welded mesh).
Applications: Food processing, dairy equipment, pharmaceutical screens, water filtration, HVAC filters, architectural infill panels, conveyor belts, sieving equipment, gabion baskets, and industrial safety guards.
3. Stainless Steel 309 / 309S Wire Mesh
Structure: Austenitic
Grade 309 carries significantly higher chromium (22–24%) and nickel (12–15%) than 304 or 316, making it well suited to continuous service up to approximately 980 °C and intermittent service up to 1040 °C. The 309S sub-grade has restricted carbon for improved weldability. This extra alloy content also makes 309 an excellent choice whenever stainless steel mesh must interface with carbon steel structures, acting as a corrosion-resistant buffer. Available as woven and welded mesh in wire diameters 0.5 mm to 5.0 mm.
Applications: Furnace hearth screens, kiln conveyor belts, heat treatment baskets, thermal oxidiser internals, high-temperature gas filters, annealing furnace parts, and dissimilar metal fabrication jigs.
4. Stainless Steel 310 / 310H Wire Mesh
Structure: Austenitic
Grades 310 and 310H represent the peak of standard heat-resistant stainless steels, with 24–26% chromium and 19–22% nickel delivering reliable continuous service up to 1100 °C and intermittent service up to 1150 °C. The 310H variant targets elevated temperature creep strength through controlled carbon (0.04–0.10%). The fully austenitic weld metal also performs reliably at cryogenic temperatures. Supplied as woven and welded mesh in wire diameters 0.5 mm to 5.0 mm.
Applications: Radiant furnace tubes, heat treatment conveyor mesh belts, carburising and nitriding retorts, incinerator components, thermal oxidiser screens, coke oven equipment, and high-temperature particulate filtration.
5. Stainless Steel 316 / 316Ti / 316L Wire Mesh
Structure: Austenitic
The 316 family adds 2–3% molybdenum to the 304 base composition, providing a significant step-up in resistance to pitting and crevice corrosion in chloride-bearing environments. 316L (carbon ≤ 0.03%) is preferred wherever post-weld sensitisation must be avoided, while 316Ti incorporates titanium stabilisation for additional protection against intergranular corrosion. These are the standard grades for marine and coastal environments, chemical processing, and food-contact applications. Available in the widest range of weave types, wire diameters 0.025 mm to 6.0 mm.
Applications: Offshore and marine components, chemical plant screens, pharmaceutical filter housings, food-grade conveyor belts, desalination plant internals, medical equipment, architectural cladding, and saline environment fencing.
6. Stainless Steel 317 / 317L Wire Mesh
Structure: Austenitic
Grade 317 and its low-carbon variant 317L contain 3–4% molybdenum — higher than 316 — along with elevated chromium and nickel, placing them among the most corrosion-resistant standard stainless grades. This higher alloy content gives them superior resistance to sulfurous acid, sulfate compounds, and strongly reducing environments where 316L begins to show attack. 317L is preferred for welded fabrications due to its restricted carbon. Available as woven and welded mesh, wire diameters 0.5 mm to 4.0 mm.
Applications: Pulp and paper bleaching equipment, sulfuric acid plant components, flue gas desulfurisation (FGD) screens, pharmaceutical process vessels, chemical scrubber internals, and severe-service filtration.
7. Stainless Steel 321 / 321H Wire Mesh
Structure: Austenitic
Grades 321 and 321H are titanium-stabilised variants of 304, where titanium combines preferentially with carbon to prevent sensitisation in the heat-affected zone and during prolonged elevated-temperature service. 321H targets creep resistance through higher carbon (0.04–0.10%) and is used where components will operate continuously above 525 °C. Both grades maintain good oxidation resistance up to approximately 870 °C. Available as woven and welded mesh, wire diameters 0.5 mm to 4.0 mm.
Applications: Aircraft exhaust systems, jet engine components, power plant steam headers, petrochemical furnace screens, oil refinery process screens, high-temperature pressure vessel internals, and elevated-temperature conveyor belts.
8. Stainless Steel 347 / 347H Wire Mesh
Structure: Austenitic
Grades 347 and 347H substitute niobium (minimum 10× carbon content) for titanium, providing excellent resistance to intergranular corrosion following welding or elevated temperature exposure. 347H, with its tighter niobium-to-carbon ratio and higher carbon floor, is specifically designed for long-term creep resistance in power generation and petrochemical service above 550 °C. Both grades are well suited for repeated thermal cycling. Available as woven and welded mesh, wire diameters 0.5 mm to 4.0 mm.
Applications: Boiler superheater screens, steam reformer components, petroleum refinery piping supports, high-temperature pressure filters, aviation exhaust ducts, and thermal cycling furnace fixtures.
9. Stainless Steel 409 Wire Mesh
Structure: Ferritic
Grade 409 is a utility ferritic stainless steel containing 10.5–11.75% chromium with titanium stabilisation. It offers good high-temperature oxidation resistance up to around 760 °C and is significantly lower in cost than austenitic grades due to its near-zero nickel content. It is magnetic and non-hardenable by heat treatment. Weldability is good with appropriate filler selection. Available as welded and woven mesh, wire diameters 0.8 mm to 5.0 mm.
Applications: Automotive exhaust systems, catalytic converter substrates, muffler internals, agricultural equipment guards, railway carriage interiors, general-purpose fencing, and mild-environment filtration.
10. Stainless Steel 410 Wire Mesh
Structure: Martensitic
Grade 410 is the basic martensitic stainless steel, combining 11.5–13.5% chromium with higher carbon to enable heat treatment to hardness levels well above those achievable in austenitic grades. In the annealed condition it is ductile and formable; in the hardened and tempered condition it delivers high tensile strength, wear resistance, and moderate corrosion resistance in mild environments. It is magnetic in all conditions. Available as woven and welded mesh, wire diameters 0.5 mm to 5.0 mm.
Applications: Pump and valve screening, coal and mineral processing sieves, pulp screens, abrasive environment filtration, grain storage fencing, cutlery manufacturing jigs, wear-resistant industrial guards, and high-strength sieving applications.
11. Stainless Steel 446 Wire Mesh
Structure: Ferritic
Grade 446 is a high-chromium (23–27%) ferritic stainless steel designed specifically for high-temperature oxidising and sulfidising atmospheres. Its high chromium content forms an exceptionally stable and adherent oxide scale, enabling continuous service up to approximately 1090 °C. It does not contain nickel, keeping costs well below austenitic heat-resistant grades while delivering comparable oxidation performance. It is magnetic and unsuitable for cryogenic or impact-critical service. Available as woven and welded mesh, wire diameters 0.5 mm to 4.0 mm.
Applications: Furnace heating element supports, kiln furniture screens, high-temperature thermocouple protection tubes, refractory anchors, burner flame shields, combustion chamber internals, and coal gasification plant components.
12. Stainless Steel 904L Wire Mesh
Structure: Super Austenitic
Grade 904L is a high-alloy, ultra-low-carbon super austenitic stainless steel with 19–23% chromium, 23–28% nickel, 4–5% molybdenum, and 1–2% copper. This composition delivers outstanding resistance to non-oxidising acids — particularly sulfuric acid across a wide concentration and temperature range — as well as phosphoric acid, acetic acid, and hot seawater. The ultra-low carbon eliminates sensitisation concerns even in heavy-section welded fabrications. It is non-magnetic and maintains excellent toughness at sub-zero temperatures. Available as woven and welded mesh, wire diameters 0.5 mm to 3.0 mm.
Applications: Sulfuric acid plant absorber screens, phosphoric acid process equipment, FGD desulfurisation internals, offshore oil and gas subsea screens, seawater desalination plant filters, pharmaceutical process vessels, and severe-service chemical filtration.
Size Charts
Woven Wire Mesh – Aperture & Wire Diameter Guide
|
Mesh Count (per inch) |
Approximate Aperture (mm) |
Wire Diameter (mm) |
Open Area % |
Standard Width |
|
4 × 4 |
5.80 |
0.80 – 1.20 |
58 – 64 |
1 m / 1.22 m / 1.5 m |
|
8 × 8 |
2.60 |
0.55 – 0.90 |
52 – 60 |
1 m / 1.22 m / 1.5 m |
|
10 × 10 |
2.00 |
0.50 – 0.80 |
50 – 58 |
1 m / 1.22 m / 1.5 m |
|
16 × 16 |
1.20 |
0.40 – 0.55 |
46 – 55 |
1 m / 1.22 m |
|
20 × 20 |
0.90 |
0.35 – 0.55 |
44 – 53 |
1 m / 1.22 m |
|
30 × 30 |
0.55 |
0.25 – 0.40 |
42 – 52 |
1 m / 1.22 m |
|
40 × 40 |
0.40 |
0.22 – 0.35 |
40 – 50 |
1 m / 1.22 m |
|
60 × 60 |
0.25 |
0.16 – 0.25 |
38 – 47 |
1 m |
|
80 × 80 |
0.18 |
0.14 – 0.20 |
35 – 45 |
1 m |
|
100 × 100 |
0.14 |
0.10 – 0.16 |
32 – 42 |
1 m |
|
150 × 150 |
0.09 |
0.065 – 0.11 |
28 – 38 |
1 m |
|
200 × 200 |
0.064 |
0.053 – 0.08 |
25 – 35 |
1 m |
|
325 × 325 |
0.044 |
0.035 – 0.045 |
20 – 30 |
1 m |
|
400 × 400 |
0.025 |
0.025 – 0.038 |
18 – 28 |
1 m |
Welded Wire Mesh – Grid Size & Sheet / Roll Dimensions
|
Grid Size (mm × mm) |
Wire Diameter (mm) |
Sheet Size (m) |
Roll Width (m) |
Roll Length (m) |
|
12.7 × 12.7 |
0.80 – 1.00 |
1.0 × 2.0 |
0.5 / 1.0 / 1.22 |
15 / 30 |
|
25 × 25 |
1.00 – 2.00 |
1.0 × 2.0 |
0.5 / 1.0 / 1.22 / 1.5 |
15 / 30 |
|
50 × 50 |
1.20 – 3.00 |
1.0 × 2.0 / 1.22 × 2.44 |
1.0 / 1.22 / 1.5 |
15 / 30 |
|
75 × 75 |
2.00 – 4.00 |
1.22 × 2.44 |
1.0 / 1.22 / 1.5 |
15 / 30 |
|
100 × 100 |
2.50 – 5.00 |
1.22 × 2.44 |
1.0 / 1.22 / 1.5 |
15 / 30 |
|
150 × 150 |
3.00 – 6.00 |
1.22 × 2.44 |
1.22 / 1.5 |
15 |
Hexagonal (Chicken) Wire Mesh
| Aperture Size (mm) | Wire Gauge (SWG) | Wire Diameter (mm) | Roll Width (m) | Roll Length (m) |
| 13 | 26 – 28 | 0.38 – 0.45 | 0.6 / 0.9 / 1.2 | 30 / 50 |
| 19 | 24 – 26 | 0.56 – 0.63 | 0.6 / 0.9 / 1.2 / 1.5 | 30 / 50 |
| 25 | 22 – 24 | 0.71 – 0.90 | 0.9 / 1.2 / 1.5 / 1.8 | 30 / 50 |
| 38 | 20 – 22 | 0.90 – 1.20 | 0.9 / 1.2 / 1.5 / 1.8 | 30 / 50 |
| 50 | 18 – 20 | 1.20 – 1.60 | 0.9 / 1.2 / 1.5 / 1.8 | 30 / 50 |
Technical Details
| Parameter | Details |
| Product Forms | Plain Weave, Twill Weave, Dutch Plain Weave, Dutch Twill Weave, Welded Mesh, Hexagonal Mesh, Netting, Fencing Mesh, Spring Steel Mesh |
| Available Grades | 201/202, 304/304L/304H, 309/309S, 310/310H, 316/316Ti/316L, 317/317L, 321/321H, 347/347H, 409, 410, 446, 904L |
| Standards | ASTM A 164 / ASME SA 164; ASTM A 580; DIN EN ISO 9044; BS 1763; IS 1568 |
| Wire Diameter Range | 0.025 mm (ultrafine) to 6.0 mm (heavy welded) |
| Mesh Aperture Range | 0.025 mm (400 mesh) to 100 mm (coarse welded) |
| Sheet Width | Up to 48 inches (1220 mm); custom widths available on request |
| Roll Length | Standard 15 m, 30 m, 50 m; custom cut lengths available |
| Surface Finish | Mill finish, bright annealed, passivated, electro-polished |
| Weave Tolerance | Aperture: ±5%; Wire diameter: ±3% (as per ISO 9044) |
| Tensile Strength (wire) | 550 – 850 MPa depending on grade and wire diameter |
| Max Service Temp | 760 °C (409); 870 °C (321); 980 °C (309); 1090 °C (446); 1100 °C (310/310H) |
| Packing | Rolls – polythene wrap + paper interleave; Sheets – wooden pallet with strapping; Export packing on request |
| MOQ | As per project requirement; stock items available ex-warehouse |
| Lead Time | Standard grades ex-stock; special grades and custom sizes 15–25 working days |
| Origin | India (Bangalore) |
Applications of Stainless Steel Wire Mesh
The twelve-grade range of stainless steel wire mesh from Bombay Metal Corporation serves an extensive cross-section of industries and end-use environments:
|
Industry / Sector |
Recommended Grade(s) |
Typical Application |
|
Food & Beverage |
304L, 316L |
Conveyor belts, sieves, strainers, hygiene screens, storage racks |
|
Dairy & Pharmaceutical |
316L, 316Ti |
CIP-compatible mesh, sterile filter housings, aseptic process screens |
|
Petrochemical & Refinery |
347H, 321H, 310 |
High-temp furnace screens, catalytic reactor filters, process sieves |
|
Power Generation |
310H, 347H, 321H |
Boiler screens, superheater supports, air preheater mesh |
|
Chemical Processing |
316L, 317L, 904L |
Acid-resistant filter screens, scrubber packing, agitator baskets |
|
Architecture & Interior |
304, 201/202 |
Decorative infill panels, facades, balustrades, ceiling features |
|
Water Treatment |
316L, 304 |
Sand and media filters, screen chambers, intake strainers |
|
Automotive |
409, 410 |
Exhaust mesh, catalytic converter substrates, heat shields |
|
Mining & Minerals |
410, 316L |
Vibrating screens, grizzly bars, slurry filtration, coal screens |
|
Aerospace & Defence |
321H, 347H |
Engine exhaust screens, airframe filters, high-temp shielding |
|
Agriculture |
201/202, 304 |
Animal enclosures, crop protection nets, grain silo screens |
|
Marine & Offshore |
316L, 904L |
Seawater intake screens, offshore platform grating, subsea filters |
|
High-Temp Furnace |
310H, 446, 309S |
Radiant tube supports, kiln conveyor belts, annealing basket mesh |
|
Pulp & Paper |
316L, 317L |
Bleaching plant screens, washing equipment, pulp sieve drums |
Cities We Deliver To
We supply Stainless Steel Wire Mesh pan-India with ready stock dispatched from our Bengaluru warehouse, and export to key international destinations:
|
Region |
Cities / Locations |
|
South India |
Bengaluru, Chennai, Hyderabad, Coimbatore, Visakhapatnam, Thiruvananthapuram |
|
West India |
Mumbai, Pune, Navi Mumbai, Ahmedabad, Surat, Vadodara (Baroda), Rajkot |
|
North India |
New Delhi, Gurgaon, Faridabad, Chandigarh, Ludhiana, Jaipur, Bhopal, Kanpur |
|
East India |
Kolkata, Jamshedpur, Ranchi, Bhubaneswar |
|
Central India |
Nagpur, Indore, Raipur |
|
Other Cities |
Pimpri-Chinchwad, Haryana, Ulsan (South Korea) |
|
Export Markets |
Jakarta (Indonesia), Dammam (Saudi Arabia), Brisbane (Australia), GCC countries |
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