Stainless Steel RFQ Pathways
Move from this material family overview to the right grade, product form, technical resource or quotation path without changing the page's primary supplier intent.
Stainless Steel Supplier in India
Rubinox Metal and Alloys supplies stainless steel pipes, tubes, sheets, plates, coils, flanges, fittings, fasteners, flats, angles, rods and bars in 201, 202, 304, 316, 904L, 17-4 PH, Nitronic 60, SMO 254, Duplex and Super Duplex grades across India and export markets.
Stockist | Supplier | Importer | Exporter304 | 304L | 316 | 316L310 | 321 | 347 | 904LPipes | Plates | Coils | FittingsPAN India & Export Enquiries
Common Stainless Steel Grades
Typical Applications
- Industrial piping & fabrication
- Chemical processing equipment
- Marine & coastal environments
- Food & pharma applications
- Fasteners, fittings & flanges
Product Forms Available
Stainless steel enquiries can be reviewed across the following product forms. Select a form page for size, grade and RFQ guidance.
Pipes
Seamless and welded pipe enquiries by OD, schedule, wall thickness, length and standard.
OD / Schedule
Tubes
Tube enquiries by outer diameter, thickness, length, finish and application requirement.
Round / Square
Sheets
Sheet enquiries by grade, thickness, width, length, finish, tolerance and MTC requirement.
CR / HR Finish
Perforated Sheets
Round, square or slotted hole sheet enquiries by thickness, pattern, pitch and open area.
Hole Pattern
Plates
Plate requirements by thickness, size, cutting scope, standard, finish and inspection need.
Thick Sections
Coils
Coil enquiries by grade, thickness, width, coil weight, finish and slit requirement.
Slit / Full Coil
Flanges
Flange enquiries by type, class, face, standard, bore, quantity and inspection requirement.
Class / Standard
Fittings
Elbows, tees, reducers, caps and forged fittings by schedule, type, standard and quantity.
BW / Forged
Fasteners
Bolts, nuts, washers and studs by grade, thread, length, standard, finish and quantity.
Bolts / Studs
Angles
Angle requirements by leg size, thickness, length, grade, finish and fabrication use.
Equal / Unequal
Channels
Channel enquiries by web, flange, thickness, length, grade, finish and fabrication use.
C / U Channels
Bars
Square, hex and rectangular solid section enquiries by size, condition, tolerance and length.
Square / Hex
Rods
Round solid section enquiries by diameter, length, condition, tolerance and machining use.
Round Solid
Flats
Flat bar enquiries by width, thickness, length, edge condition, finish and quantity.
Width / Thickness
Circles
Round cut disc and sheet circle enquiries by diameter, thickness, grade and finish.
Round Cut Discs
Wire Mesh
Woven or welded mesh enquiries by mesh count, wire diameter, roll size, grade and finish.
Woven / Welded
Stainless Steel Product Forms Availability Matrix
Use this matrix as an RFQ guide for common stainless steel enquiries. Final review depends on grade, standard, dimensions, quantity, finish, testing and project requirements.
| Product form | Common grades requested | Buyer details to share | Relevant page |
|---|---|---|---|
| Pipes and tubes | 304, 304L, 316, 316L, 310, 321, 347, 904L, Duplex and Super Duplex | OD, wall thickness, schedule, length, seamless/welded preference, standard and testing. | SS Pipes / SS Tubes |
| Sheets, perforated sheets, plates and coils | 304, 304L, 316, 316L, 310, 321, 347, 904L and specialty grades | Thickness, width, length, coil weight, finish, hole pattern if perforated, tolerance, cutting and MTC requirement. | SS Sheets / SS Perforated Sheets / SS Plates / SS Coils |
| Flanges and fittings | 304, 316, 316L, 321, 347, 904L, Duplex and Super Duplex | Type, class, schedule, standard, end connection, quantity, inspection and delivery location. | SS Flanges / SS Fittings |
| Bars, rods, flats, angles and channels | 304, 316, 316L, 410, 420, 17-4 PH, Nitronic 60 and project grades | Diameter, width, web, flange, thickness, length, condition, tolerance, machining allowance and application. | SS Bars / SS Rods / SS Flats / SS Angles / SS Channels |
| Fasteners, circles and wire mesh | 304, 316, 316L and buyer-specified grades | Size, thread, mesh count, diameter, finish, drawing, standard and quantity. | SS Fasteners / SS Circles / SS Wire Mesh |
SS 304 vs SS 316 vs SS 316L
SS 304, SS 316 and SS 316L are among the most common stainless steel grades. The right choice depends on corrosion exposure, chloride level, welding, fabrication, project standard and end-use environment.
| Grade | Common buyer reason | Corrosion positioning | Common product forms | Buyer note |
|---|---|---|---|---|
| SS 304 | General-purpose stainless steel for fabrication, equipment and structural use. | Suitable for many indoor, food, architectural and general industrial uses. | Sheets, plates, pipes, tubes, coils, bars, flanges and fittings. | Review where chloride exposure is limited and project specifications allow 304. |
| SS 316 | Molybdenum-bearing stainless steel for stronger corrosion resistance than 304. | Often reviewed for marine, chemical and chloride-bearing service. | Pipes, tubes, sheets, plates, bars, flanges, fittings and fasteners. | Review when the buyer requires better pitting resistance than 304. |
| SS 316L | Low-carbon version of 316 for welded fabrication and corrosion-sensitive service. | Similar corrosion positioning to 316 with low-carbon chemistry for weld-related requirements. | Sheets, plates, pipes, tubes, coils, fittings, flanges and fabrication items. | Review when welding, low carbon or project specification calls for 316L. |
SS 310 vs SS 321 vs SS 347 for Heat Service
Heat-resistant stainless steel enquiries should define operating temperature, atmosphere, pressure, load, fabrication route and the required project standard before grade selection is finalized.
| Grade | Common buyer reason | Temperature / fabrication focus | Common product forms | Buyer note |
|---|---|---|---|---|
| SS 310 / 310S | Heat-resistant stainless steel with high chromium and nickel. | Often reviewed for furnace, heat treatment and high-temperature oxidation service. | Sheets, plates, pipes, tubes, bars, flanges, fittings and fabricated parts. | Review when high-temperature oxidation resistance is central to the requirement. |
| SS 321 / 321H | Titanium-stabilized stainless steel. | Often reviewed for welded high-temperature service and intergranular corrosion resistance. | Pipes, tubes, sheets, plates, bars, fittings and welded components. | Review when stabilized stainless is specified for heat-affected fabrication. |
| SS 347 / 347H | Niobium-stabilized stainless steel. | Often reviewed for high-temperature welded components and pressure/process applications. | Pipes, tubes, plates, bars, flanges, fittings and pressure components. | Review when 347/347H is specified for high-temperature process or pressure service. |
When to Review Specialty Stainless and Related Alloys
Standard stainless grades work well in many applications, but some projects require higher strength, chloride resistance, heat resistance or corrosion performance. Buyers should share operating conditions and project standards before comparing alternatives.
| Requirement | Common starting point | When to review alternatives | Related Rubinox page |
|---|---|---|---|
| General corrosion and fabrication | SS 304 | If chloride, marine or chemical exposure increases. | SS 316 / SS 316L |
| Marine or chloride-bearing service | SS 316 / 316L | If pitting, crevice corrosion or strength requirements are higher. | Duplex & Super Duplex |
| Severe chloride or seawater service | 316L, Duplex or 904L | If 6Mo / UNS S31254 is specified by the project. | SMO 254 |
| High-temperature oxidation service | SS 310 / 310S | If stabilized stainless or project-specific heat-resistant grade is required. | SS 321 / SS 347 |
| Severe chemical, heat or high-performance service | Stainless steel grades | If nickel alloy or titanium is specified by the project. | Nickel Alloys / Titanium |
Stainless Steel Buyer Specification Guide
For a stainless steel quotation, buyers should share grade, product form, standard, dimensions, quantity, finish, testing requirements, application and delivery location. For welded or corrosion-sensitive service, mention whether low-carbon grades such as 304L or 316L are required.
| Requirement | What buyer should specify |
|---|---|
| Grade | SS 304, 304L, 316, 316L, 310, 321, 347, 904L, Duplex, SMO 254 or project-specified grade. |
| Standard | ASTM, ASME, EN, DIN, JIS, IS or project specification. |
| Product form | Pipe, tube, sheet, perforated sheet, plate, coil, bar, rod, flange, fitting, fastener, angle, channel, flat, circle or wire mesh. |
| Dimensions | OD, wall thickness, schedule, class, thickness, width, length, diameter or drawing. |
| Condition / finish | Hot rolled, cold rolled, annealed, pickled, polished, bright, No. 4, BA or buyer-specified finish. |
| Quantity | Pieces, meters, kilograms, sheets, plates, bars, coils or project lot. |
| Testing | MTC, PMI, hydrotest, UT, hardness, IGC, third-party inspection or project-specific testing if required. |
| Application | Food, pharma, chemical, marine, heat, fabrication, piping, architectural or project use. |
| Delivery | City, state, port, packing requirement and timeline. |
RFQ Checklist
For a prompt RFQ response, share stainless steel grade or equivalent designation, product form, standard, dimensions, tolerance, quantity, finish, MTC or testing needs, application, drawing or item code if available, delivery location, timeline and whether buyer-approved equivalent grades may be reviewed.
Focused Stainless Steel Pages
Stainless Steel Supplier MumbaiMumbai stockist for SS 304, 316, 316L and stainless steel product forms.SS 304 Supplier in IndiaStainless steel 304 sheets, plates, pipes, tubes, bars, fittings and flanges.SS 316 Supplier in IndiaSS 316 material for marine, chloride, chemical and industrial applications.SS 316L Supplier in IndiaLow-carbon 316L sheets, plates, pipes, tubes, bars and fittings.SS 310 Supplier in IndiaHeat-resistant stainless steel 310 products for high-temperature service.SS 904L Supplier in IndiaHigh alloy stainless steel for acid, chloride and corrosion-resistant service.17-4 PH Supplier in IndiaPrecipitation hardening stainless steel bars, plates, fasteners and components.Nitronic 60 Supplier in IndiaWear-resistant and galling-resistant bars, shafts, fasteners and machined parts.SMO 254 Supplier in India6Mo stainless steel for seawater, chloride and aggressive corrosion service.Duplex 2205 Supplier in IndiaDuplex stainless steel pipes, plates, flanges, fittings, bars and fasteners.Super Duplex 2507 Supplier in IndiaUNS S32750 products for offshore, seawater and high chloride service.Stainless Steel PipesSeamless and welded stainless steel pipes for industrial project supply.Stainless Steel PlatesSS plates, sheets and cut pieces in common grades and project sizes.Stainless Steel FlangesSS flanges for piping, fabrication, pressure and process applications.Stainless Steel FittingsButtweld, forged and threaded fittings for industrial piping systems.
Related Materials
Nickel AlloysInconel, Monel, Hastelloy, Incoloy supply.Duplex & Super Duplex2205 / 2507 for chloride & marine service.SMO 254 (6Mo)High pitting resistance for seawater service.TitaniumGrade 2 & Grade 5 supply for critical use.Aluminium6061 / 6063 / 7075 sheets, plates, bars & tubes.CopperC101 / C110 / C122 pipes, sheets, coils & bars.BrassC260 / C360 / C464 rods, sheets & fittings.Carbon SteelA36, 1018, 1045, A516 Gr 70 plates & pipes.Mild SteelA36, A500, 1018, 1020, S235, S355 supply.Phosphor BronzeC510 / C521 / C544 sheets, coils, rods & bars.High Speed SteelHSS M2, M35, M42 and T1 enquiries for tooling applications.
Stainless Steel FAQs
What stainless steel grades does Rubinox supply?
Rubinox handles enquiries for stainless steel grades including 201, 202, 304, 304L, 316, 316L, 310, 321, 347, 904L, Duplex, Super Duplex, 17-4 PH, Nitronic 60 and SMO 254 based on buyer specification.
What is the difference between SS 304, SS 316 and SS 316L?
SS 304 is a general-purpose stainless grade, SS 316 includes molybdenum for stronger chloride and chemical resistance, and SS 316L is the low-carbon version often reviewed for welded fabrication or low-carbon project requirements.
When should buyers choose SS 316L instead of SS 316?
Buyers often review SS 316L when welding, low carbon chemistry, corrosion-sensitive fabrication or project specifications require the low-carbon version of SS 316.
Is SS 304 suitable for outdoor or marine use?
SS 304 can be suitable for many general outdoor uses, but marine, coastal or chloride-bearing service often requires review of SS 316, SS 316L, Duplex, SMO 254 or other project-specified grades.
Which stainless steel grade is used for high-temperature service?
SS 310, SS 310S, SS 321, SS 321H, SS 347 and SS 347H are commonly reviewed for heat-related service. The right grade depends on temperature, atmosphere, pressure, fabrication and project standard.
What is the difference between SS 310, SS 321 and SS 347?
SS 310 is often reviewed for heat and oxidation resistance, SS 321 is titanium-stabilized for welded high-temperature service, and SS 347 is niobium-stabilized for high-temperature process or pressure applications.
Which stainless steel product forms can be requested?
Buyers can request pipes, tubes, sheets, perforated sheets, plates, coils, flanges, fittings, fasteners, flats, angles, channels, rods, bars, circles and wire mesh according to grade, size, standard and quantity.
What details are needed for a stainless steel quotation?
Share grade, product form, standard, dimensions, quantity, finish, testing requirements, application, delivery location and timeline. Drawings or datasheets are helpful for fabricated or custom items.
Can Rubinox review MTC or inspection requirements?
Rubinox can review enquiries where MTC, PMI, hydrotest, ultrasonic testing, hardness testing, IGC, dimensional inspection or third-party inspection is required. Buyers should state these requirements at enquiry stage.
When should buyers review Duplex, SMO 254, Titanium or Nickel Alloys?
Buyers should review Duplex, SMO 254, Titanium or Nickel Alloys when the project requires higher strength, severe chloride resistance, seawater service, high-temperature performance or a non-standard alloy specification.
Buyer Details to Confirm
Confirm grade family, ASTM/ASME/EN reference where specified, product form, size, finish, quantity, service environment and documentation requirement.
- Use the linked grade or specification pages when a project document names a grade.
- Use product form links when size, thickness, schedule, class or drawing details drive the enquiry.
- Request MTC, PMI, inspection or packing support at RFQ stage where applicable.
Related Guides and Resources
Use these Knowledge Hub and technical links to prepare a clearer enquiry before sharing quantity and destination details.
Safe Supply and Documentation Notes
- Rubinox reviews enquiries as a stockist, supplier, importer, exporter and project supplier for industrial metal RFQs.
- Final material suitability should follow buyer drawings, end-use conditions, standards and project engineer approval.
- PAN India supply and export enquiry support depend on grade, form, quantity, documents and logistics details.
Procurement RFQ support
Share Your Stainless Steel Requirement
Share grade or specification, product form, size, quantity, standard, MTC/PMI or inspection needs, delivery location and timeline for Rubinox quotation support.
Grade / specification
Product form and size
Quantity and standard
Delivery location
MTC / inspection needs
Drawing or BOQ if any