Stainless Steel Bars, Rods & Wires Manufacturer, Exporter & Suppliers in India

Source stainless steel bars, stainless steel rods, and stainless steel wire from a single EN 10204-certified manufacturer with ready-to-ship stock across India and export markets.. Amardeep Steel is a reputed supplier of SS bars, SS rods, and SS wire in different grades and sizes that are manufactured for different industries. All the products are made with proper consistency of metals, correct dimensions, and ready to ship product with EN 10204 MTCs rating. From shafts and fasteners to hygienic process parts and heat-resistant components, our stocked bar and rod programme reduces lead time and eliminates rework at your end.These materials come with testing and certification reports that include mill test reports, ultrasonic testing, PMI, and packaging aligned to EPC, OEM, and MRO needs.
Applications of Stainless Steel Bars, Rods & Wires
• Stainless Steel Square Bars
• Stainless Steel Hollow Bar
• Stainless Steel Black Bars
• Stainless Steel Threaded Bars
• Stainless Steel Hexagon Bars
• Stainless Steel Bright Bars
• Stainless Steel Spring Steel Bars
• Stainless Steel Hex Bars
• Stainless Steel Wire Bobbin
• Stainless Steel Wire Coil
• Stainless Steel Filler Wire
Stainless Steel Bars, Rods & Wires Specification
Get a clear, project-ready spec for bars, rods, and wire by defining standards, tolerances, testing, and documentation up front. The table below summarizes available product forms, inspection options, and paperwork for hassle-free approvals.
| Item | Specification |
|---|---|
| Standards — Bars & Rods | ASTM A276, ASTM A479, ASTM A582 (free-machining), EN 10088-3, JIS G4303 |
| Standards — Wire | ASTM A580, EN 10270-3 (stainless spring wire), DIN 17440 equivalents |
| Product Forms | Rounds, squares, hex, flats, bright bars, coil wire, cut lengths |
| Tolerances | ISO 286 h9 to h11 for precision bars on request; tighter on ground bars by agreement |
| Testing Options | PMI, UT, IGC, hardness, microstructure, grain size, corrosion tests |
| Documentation | MTC EN 10204 3.1 or 3.2; third-party inspection on request |
| Supply Length | Bars 3–6 m or cut to size; wire in coils or straight cut |
SS Round Bar Grades
Choose your SS round bar grade by matching corrosion resistance, strength, machinability, and temperature limits to the job. From 304/316 for general and marine use, 303 for fast machining, 310S for heat, to 17-4PH and Duplex 2205 for high strength and chloride service, each grade offers a clear advantage.
| Grade | UNS | Key traits | Typical uses |
|---|---|---|---|
| 304 / 304L | S30400 / S30403 | General corrosion resistance, good formability | Shafts, fixtures, food equipment |
| 316 / 316L | S31600 / S31603 | Mo for chloride resistance | Marine hardware, pumps, fasteners |
| 303 | S30300 | Sulfur for free machining | Screws, bolts, turned parts |
| 321 | S32100 | Ti stabilized for welds at temp | Exhaust parts, manifolds |
| 310S | S31008 | High temp oxidation resistance | Furnace jigs, heat treatment tooling |
| 410 | S41000 | Martensitic, hardenable | Wear parts, turbine components |
| 420 | S42000 | Higher C for hardness | Cutlery, dies, gauges |
| 431 | S43100 | Toughness with strength | Prop shafts, bolts |
| 17-4PH | S17400 | Precipitation hardening, high strength | Aerospace, precision parts |
| 2205 Duplex | S32205/S31803 | High strength, chloride SCC resistance | Seawater service, pressure parts |
| 904L | N08904 | Super-austenitic, strong acids | Chemical process equipment |
Chemical Composition of Stainless Steel Bars, Rods & Wires
| Grade | C max | Cr % | Ni % | Mo % | Mn % | Si % | N % | Others |
|---|---|---|---|---|---|---|---|---|
| 304L | 0.03 | 18–20 | 8–12 | N/A | ≤2.0 | ≤1.0 | ≤0.10 | N/A |
| 316L | 0.03 | 16–18 | 10–14 | 2.0–3.0 | ≤2.0 | ≤1.0 | ≤0.10 | N/A |
| 303 | 0.15 | 17–19 | 8–10 | ≤0.60 | ≤2.0 | ≤1.0 | N/A | S 0.15–0.35 for machinability |
| 310S | 0.08 | 24–26 | 19–22 | N/A | ≤2.0 | ≤1.5 | N/A | N/A |
| 410 | 0.08–0.15 | 11.5–13.5 | ≤0.75 | ≤0.50 | ≤1.0 | ≤1.0 | N/A | N/A |
| 2205 Duplex | 0.03 | 21–23 | 4.5–6.5 | 2.5–3.5 | ≤2.0 | ≤1.0 | 0.14–0.20 | N/A |
Note: Ranges are indicative. Always cross-check the purchase heat’s MTC.
Mechanical Properties of Stainless Steel Bars, Rods & Wires
Select grades by matching tensile and yield strength to load cases, then check elongation for formability. Hardness limits help plan machining, grinding, and post-process finishing. Verify the actual values for your size and condition on the MTC.
| Grade | Tensile strength (MPa) | Yield strength (MPa) | Elongation (%) | Hardness |
|---|---|---|---|---|
| 304L | ≥485 | ≥170 | ≥40 | ≤92 HRB |
| 316L | ≥485 | ≥170 | ≥40 | ≤95 HRB |
| 303 | ~620 | ~240 | ≥35 | ≤100 HRB |
| 310S | ≥515 | ≥205 | ≥40 | ≤95 HRB |
| 410 (annealed) | ≥450 | ≥205 | ≥20 | ≤22 HRC |
| 2205 Duplex | ≥620 | ≥450 | ≥25 | ≤290 HB |
Properties vary by size, condition, and heat treatment. Confirm on the MTC.
Round Steel Bars Weight
| Diameter (mm) | Weight (kg/m) |
|---|---|
| 6 | 0.22 |
| 10 | 0.62 |
| 12 | 0.89 |
| 16 | 1.59 |
| 20 | 2.48 |
| 25 | 3.88 |
| 32 | 6.35 |
| 40 | 9.92 |
| 50 | 15.50 |
Steel Round Bar Dimensions
Get a clear, project-ready spec for bars, rods, and wire by defining standards, tolerances, testing, and documentation up front. The table below summarizes available product forms, inspection options, and paperwork for hassle-free approvals.
| Item | Specification |
|---|---|
| Diameter range | 3 mm to 500 mm |
| Standard lengths | 3 m, 6 m |
| Custom lengths | Cut to size on request |
| Finish options | Hot rolled, peeled and turned, bright drawn, centerless ground, polished |
| Straightness | Typically 1 mm per metre or better on ground bars |
| Ovality / roundness | Controlled as per tolerance class and finish |
| Edge condition | Chamfered or square ends on request |
Types Of Stainless Steel Bars, Rods & Wires
Choose the product form that fits your part geometry, machining plan, and surface finish target. Bars, rods, and wire cover everything from heavy shafts to precision fasteners and spring-quality coils, so you can match performance, cost, and lead time.
Stainless Steel Bars
Stainless steel bar is a stable, straight stock that machines cleanly and holds tight tolerances for load-bearing parts. The higher section modulus supports strength-critical components, while bright or ground finishes help reduce post-machining rework and polishing time.
- Typical sizes: 6 mm to 500 mm dia, rounds, squares, hex
- Finishes: hot rolled, peeled and turned, bright drawn, centerless ground
- Applications: shafts, pins, flanges, valves, structural brackets
Stainless Steel Rods
Stainless steel rod is a versatile feedstock for precision components with good weldability and corrosion resistance. Consistent chemistry and dimensional control support repeatable turning, threading, and forming across small to medium diameters.
- Typical sizes: 3 mm to 120 mm dia, standard cut lengths 3 m and 6 m
- Finishes: black, bright, pickled, polished 180–600 grit
- Applications: studs, fasteners, hubs, general fabrication
Stainless Steel Wire
Stainless steel wire is a clean, uniform wire for forming, weaving, welding, and tying in corrosive environments. Available in annealed to spring tempers, it supports deep forming, stable spring rates, and reliable weldability for mesh and filler applications.
- Typical sizes: 0.2 mm to 16 mm diameter
- Finishes: bright, matte, soap-coated, spring temper, annealed
- Applications: wire mesh, springs, tying wire, welding wire, cable cores
Applications of Stainless Steel Bars, Rods & Wires
Stainless steel bars, rods and wires are used in critical applications in construction, marine, industrial machinery, oil and gas, chemical processing, food and pharma, power, automotive and water treatment. Bars are used to carry load-bearing and heat-exposed components, rods are used to carry fasteners and overall fabrication, and wire is used in rigging, mesh, conveyors, and welding. Select 316L or duplex with chlorides, 17-4PH with high strength, and 310S with high temperature to maintain reliable and low maintenance equipment.
- Construction: High tensile SS bars that can support load bearing members, exposed fittings corrosion resistance, and SS rods that are easy to weld to save time at the site work.
- Marine: The marine industry needs chloride resistant SS rods used in docks and fixtures, SS wire used in rigging and lifelines and low maintenance in coastal climates.
- Industrial machinery: Wear-resistant SS bars are used in the industrial machinery industry as shafts, dimensional stability to make precise turned parts and dependable with vibration.
- Oil and gas: Duplex SS grades (2205/2507) for seawater service, sour-adjacent utilities, and traceable supply chains requiring full PMI documentation.
- Chemical processing: Molybdenum-bearing 316/316L SS rods are specified in chemical processing for acid-resistant pipework, smooth-bore hygienic lines, and documented heat-to-heat traceability.
- Food and pharma: Non-reactive SS wire conveyors and screens; SS rods polished to sanitary fittings; easy cleaning HACCP lines.
- Power and energy: 310S and 321 SS bars are used in high-temperature fixtures, boiler components, and turbine auxiliaries where creep resistance and tight dimensional tolerances are critical.
- Automotive: In the automotive business, fasteners, 303, are used as free-machining, 17-4PH as high-strength parts, and bright bars as visual parts.
- Water treatment: The 316L SS clarifier rods, SS filtration wire mesh and chlorinated media corrosiveness.
- General fabrication: It is a multipurpose SS bars (bracket and frame stock), repeatable stock, and ready-to-weld product.
Frequently Asked Questions (FAQ)
What stainless steel grade is best for marine use rods?
316 or duplex grades are highly recommended for marine applications due to their superior chloride resistance. Choose a duplex grade like 2205 when high strength and stress corrosion cracking (SCC) resistance are critical.
Are stainless steel rods magnetic?
Austenitic grades such as 304 and 316 are generally non-magnetic in their annealed condition. However, cold work or the presence of ferritic/martensitic grades (e.g., 410) can induce magnetism.
What finish should I choose for machining stainless steel rods?
Bright drawn or centerless ground rods are ideal for machining due to their tight tolerances and consistent surface finish. For enhanced machinability, consider free-machining grade 303, which improves chip break and extends tool life.
Can you supply stainless steel rods with third-party inspection and MTCs?
Yes, we routinely supply EN 10204 3.1 or 3.2 MTCs and can arrange for third-party inspections. All tests and markings are precisely aligned with your project specifications.
What is the difference between stainless steel bars and rods?
While the terms are often used interchangeably, bars typically refer to longer stock used for machining and structural applications, while rods often denote smaller diameters commonly used for fasteners, wire drawing, and general fabrication. Amardeep Steel supplies both.
Do you provide cut-to-length and chamfered ends for stainless steel rods?
Absolutely. We offer cut-to-size services with options for chamfered or square ends. Our packaging is designed to be export-ready, ensuring the surface finish is protected during transit.
How do I estimate the weight of a stainless steel round rod?
Estimate weight in kg/m by multiplying 0.00620 by the square of the diameter in millimetres. Example: a 50mm rod = 0.00620 × 50² = 15.5 kg/m. For the exact weight, always refer to the density provided on your specific heat’s Mill Test Certificate (MTC).
What is the minimum order quantity for stainless steel bars and rods?
We supply from single-bar quantities for sample and prototype requirements through to full-container export orders. Standard stock items are available ex-warehouse; non-stock sizes are subject to minimum rolling quantities. Contact us for a project-specific quote.
Which export documentation do you provide for international orders?
We supply EN 10204 3.1 or 3.2 MTCs, packing lists, country-of-origin certificates, and fumigation certificates where required. For specific project or EPC contractor requirements, document packs are customised at the enquiry stage.
