Jindal SS 439, 441 & 436 Sheet: Stabilized Ferritic Stainless Grades (Composition, Properties, Price & Supply)

SS 439, 441 and 436 form the stabilized "utility" ferritic stainless grades: titanium- and/or niobium-stabilized 17–18% chromium ferritics that improve on basic 430 in weldability, formability and mild-corrosion resistance. Take SS 439 (UNS S43035, EN 1.4510): a Ti-stabilized 17–18Cr grade built for hot-water tanks, heat exchangers and sinks. SS 441 (UNS S44100, EN 1.4509) is the automotive-exhaust ferritic, dual-stabilized with Ti and Nb at 18Cr, and it resists high-temperature oxidation and thermal fatigue well. SS 436 (UNS S43600) carries about 1% molybdenum, which gives it better corrosion resistance than 430 in automotive trim and appliance panels. All three are essentially nickel-free, and, being ferritic, they're magnetic in every condition. None qualifies as a chloride or marine grade. For wet, coastal or aggressive-corrosive duty, step up to 304 or 316.

This page lays out the full composition, mechanical and physical data for these utility ferritic stainless grades. It also covers honest guidance on magnetism, corrosion and heat performance, plus forms, finishes (including BA), an indicative rate and how to buy genuine Jindal material.

Relinox Stainless holds MoU-partner status with Jindal Stainless Limited (JSL), India's largest producer of stainless flat products. It isn't tied to Jindal SAW, JSW Steel or Jindal Steel & Power (JSPL), which deal in carbon steel and pipes, and it has no connection to SAIL Salem either. SS 439, 441 and 436 sit within the core verified-Jindal grade set. Because of that, what we supply is genuine JSL-melted jindal ss 441 sheet, jindal 439 stainless and jindal 436 sheet, along with coil, patta and circle, all backed by mill test certificates. None of it is re-rolled bazaar stock.

By the Relinox Technical Team, Jindal Stainless MoU Partner, based at Ajmeri Gate, one of Delhi's main stainless steel markets.

What are SS 439, 441 & 436: the stabilized utility ferritics?

The 17–18% chromium ferritics known as utility ferritic stainless grades have been stabilized. Small, deliberate additions of titanium and/or niobium tie up carbon and nitrogen, so the steel welds and forms better and resists intergranular attack, unlike basic 430. That's what a stabilized ferritic stainless actually is: a titanium stabilized ferritic (439), a niobium stabilized ferritic or a dual Ti+Nb version (441), or a molybdenum-bearing stabilized ferritic (436). All three are essentially nickel-free. All three are magnetic. And all three sit above basic 430 and below the 18Cr-2Mo grade 444 in the ferritic family. SS 439 is the general weldable ferritic. SS 441 is the high-temperature exhaust grade. SS 436 adds molybdenum for a step up in corrosion resistance. Full designations, composition, properties and supply follow.

The three grades at a glance: 4xx ferritic grades chart

This 4xx ferritic grades chart lays out each grade fast, the feature, the typical use, the nearest sibling, before you hit the detailed tables. Values follow the standard published designations per ASTM A240, along with the matching EN grades.

SS 439 (UNS S43035: Ti-stabilized 17–18Cr)

SS 439 (also grade 439, type 439, 439 SS, UNS S43035, or EN 1.4510) is a titanium-stabilized ferritic with 17–18% chromium. The titanium locks up carbon, so the grade welds cleanly and holds its shape well, giving it far better weldability and mild-corrosion resistance than basic 430. It's the go-to 439 hot water tank grade, found in hot-water cylinders and tanks, heat exchangers, kitchen sinks, and appliance parts. As SS 439 sheet, it stands as the general-purpose stabilized ferritic in the family.

SS 441 (UNS S44100: Ti+Nb dual-stabilized 18Cr)

SS 441, also called grade 441, type 441, 441 ss, UNS S44100 or EN 1.4509, is a titanium-and-niobium dual-stabilized 18% chromium ferritic. It's the industry's automotive exhaust stainless. Dual stabilization holds strength and resists creep and thermal fatigue at high temperature. That's why 441 exhaust grade material shows up in exhaust manifolds, downpipes and hot-end systems. Known as ss 441 sheet, it stands as the canonical high-temperature utility ferritic and the primary entity of this page.

SS 436 (UNS S43600: ~1% Mo)

SS 436 goes by several names: grade 436, type 436, 436 SS, or UNS S43600. It's a ferritic stainless steel stabilized with niobium and titanium, running around 17% chromium, and it carries roughly 1% molybdenum. That molybdenum is what pushes its pitting and general corrosion resistance past 430. As a result, SS 436 sheet gets used in automotive trim and on decorative or appliance panels where you need better corrosion resistance than plain 430 offers, but don't want the cost or complexity of switching to an austenitic grade.

Chemical composition (439 / 441 / 436)

The combined 439 chemical composition, 441 chemical composition and 436 chemical composition below use the standard published limits per ASTM A240 and the corresponding EN grade data, see the ASTM A240 standard and the IS 6911 standard. The defining points of this grade composition % are the 17–18% chromium in all three, the titanium (439), titanium-plus-niobium (441) and niobium (436) stabilization that ties up carbon for weldability, and the ~1% molybdenum unique to 436 that raises its corrosion resistance.

ASTM A240/EN specify the composition values as a percentage by weight. The exact heat analysis for your material gets confirmed on the mill test certificate (MTC), which ships with the material and is shared against your indent.

Mechanical & physical properties

The 439 mechanical properties, 441 mechanical properties and 436 mechanical properties below are annealed-condition minimums per ASTM A240 and EN published data: the tensile, yield, elongation and hardness values you specify against your indent. These grades are ferritic, so they can't be hardened by heat treatment. That means the annealed figures are the ones you actually work with.

Ferritic through and through, all three keep thermal expansion low and shrug off oxidation at high temperatures. That's the real reason 439 and 441 end up in hot-water and exhaust applications so often.

As for the numbers themselves, check the physical table: 439 physical properties, 441 density, 436 melting point, and 439 hardness cover the constants, along with the question everyone asks sooner or later, stainless magnetic or not.

Are they magnetic? Corrosion, heat & rust resistance

On the is 439 magnetic, is 441 magnetic and is 436 magnetic questions: yes, ferritic stainless is ferromagnetic in every condition, so a magnet sticks firmly to all three grades, unlike the essentially non-magnetic austenitic grades such as 304. On 439 corrosion resistance, 441 corrosion resistance and 436 corrosion resistance, be realistic. Stabilization and the higher chromium (plus the ~1% molybdenum in 436) give these grades better weldability, formability and oxidation resistance than basic 430, and they resist mild atmospheric, hot-water and high-temperature service well. But on the common does it rust question: they are not chloride or marine grades, in salt, coastal or aggressive wet service an uncoated ferritic surface can stain or pit, so for those duties step up to 304 or 316.

In short, these stabilized ferritics come in roughly equal to or slightly better than 430 for wet corrosion, though they still fall short of 304. Where they really earn their keep is high-temperature oxidation and thermal-fatigue resistance. That's exactly why 441 ends up as the exhaust-grade choice, and why 439 gets used in hot-water tanks.

439 / 441 / 436 vs 430, 444 & nearby grades: quick guidance

For the nearby-grade questions, 439 vs 430, 436 vs 430, 441 vs 439, 439 vs 304 and 441 vs 409, here is the short steer. Basic 430 is the economical 16Cr ferritic for mild, indoor and decorative service; 439 and 436 are the stabilized step-up (more weldable, 436 more corrosion-resistant); 441 is the dual-stabilized high-temperature exhaust ferritic; 444 is the 18Cr-2Mo top ferritic; and 304 is the nickel-bearing austenitic you pick for food, wet and corrosive duty. For the full entities and side-by-sides, see the basic 16Cr ferritic, SS 430, the Mo-bearing 444 ferritic, the utility ferritic 409 / 409M and the 304 austenitic step-up, those pages own their grade queries.

Applications

These utility ferritics prove their worth wherever stabilization, high-temperature performance or a molybdenum-boosted corrosion step over 430 comes into play, all while keeping ferritic economy.

• SS 439, hot-water tanks and cylinders, heat exchangers, kitchen sinks and appliance parts. See water storage tanks and kitchen equipment.
• SS 441, automotive exhaust stainless: manifolds, downpipes, hot-end exhaust systems and other high-temperature parts. See automotive / railway exhaust use.
• SS 436, automotive trim and decorative or appliance panels needing better corrosion resistance than 430.

On the food-contact and wet-service question: these grades work fine for dry, decorative and high-temperature parts. For wet, acidic or heavy-duty food processing, though, 304 is the better choice. Match the grade to the job.

Forms, sizes & finishes

We supply ss 441 sheet, ss 439 sheet and ss 436 sheet plus plate, coil, patta / patti (strip) and circle on genuine Jindal base, see the stainless steel sheets (product pillar), SS plates, SS coils, 439 / 441 / 436 patta / patti strips and SS circles (utensil blanks). Standard Indian market sizes apply, including the 8x4 (also written 4x8, 1250x2500), 4x10 and 5x10 sheet. On finish options, these grades are supplied as 2b (cold-rolled), no.4 / hairline and ba (bright-annealed) base, subject to mill and job-work availability.

On thickness mm and gauge ranges, standard market stock runs roughly 0.3–12 mm+, with the exact stocked range confirmed against your indent, see the sheet sizes & gauge chart. For 439 sheet weight, 441 sheet weight per kg or the 8x4 weight per size and thickness, use the SS sheet weight calculator and the SS sheet weight chart (kg). Cutting and shearing job-work can be arranged to cut-to-size.

Standards & mill conformance

Jindal Stainless produces 439 (S43035), 441 (S44100) and 436 (S43600) sheet, strip, plate and coil in conformance with ASTM A240 / A240M and the IS 6911 spec. That conformance is what backs every figure on this page. Each shipment comes with a mill test certificate (MTC) confirming heat analysis and mechanical results. For a look at what each specification actually covers, see the ASTM A240 standard and the IS 6911 standard.

Buyers often ask about the MTC, the test certificate, and how to confirm the material is genuine Jindal. The MTC ships with your dispatch. Request a copy against your indent, and check our mill test certificates (quality) page for more on the process.

SS 441 / 439 / 436 sheet price per kg (indicative)

We do not print a fixed rate here, stainless prices move daily. As stabilized ferritics, 439/441/436 carry the cost of their chromium, molybdenum (436) and titanium/niobium stabilizer content, so the ss 441 sheet price, 439 sheet price per kg and 436 stainless steel price sit above basic 430 but below the austenitics, and still move with LME, finish, thickness, quantity and freight. For an indicative rate, 441 rate today, 439 patta rate, jindal 436 sheet price, a dealer price list or a stockist rate list, see the dated indicative ₹/kg price list or send your requirement via the RFQ form to confirm the current rate for your grade, size and quantity. Rates are confirmed on RFQ by design so you always get a live figure.

For the HSN code and GST rate on these grades, check the HSN & GST codes for SS sheet page. We raise GST-compliant invoices.

Why buy SS 439, 441 & 436 from Relinox

As a jindal ss 441 sheet supplier and authorized MoU channel, Relinox Stainless supplies genuine JSL-melted material, not re-rolled bazaar stock. We serve fabricators, OEMs, exhaust makers and resellers looking for an ss 441 sheet supplier, 439 sheet distributor, 436 stockist, dealer, trader or wholesaler, and buyers searching for a stainless sheet supplier in india, in delhi or near me. Whether you want a resale indent, an exhaust-system run or a single cut sheet, send the requirement and we confirm the current rate. We are a distributor and stockist of genuine Jindal flat product, not a steel mill, based at Ajmeri Gate, one of Delhi's main stainless steel markets, with pan-India dispatch. Buyers in the capital can also see our SS sheet dealer in Delhi page.

Every dispatch carries the mill test certificate confirming conformance to ASTM A240 / IS 6911 as produced by Jindal Stainless. Get today's 439/441/436 rate (with MTC), send your requirement on the RFQ form. More on the partnership: Jindal MoU partnership (trust).

Related grades & resources

• Ferritic grades compared: 409M vs 430 vs 439/441, the nickel-free family in one decision guide
• 304 vs 430 stainless compared, the ferritic-vs-austenitic decision in detail
• Stainless steel finishes explained, 2B and No.1 finishes these grades ship in

Grade pages: basic 16Cr ferritic, SS 430 · Mo-bearing 444 ferritic · utility ferritic 409 / 409M · 304 austenitic step-up · Grades hub: all stainless steel grades.

• Products: stainless steel sheets · SS plates · SS coils · 439 / 441 / 436 patta / patti strips · SS circles (utensil blanks).
• Where it's used: automotive / railway exhaust use · kitchen equipment · water storage tanks.
• Standards and tools worth bookmarking: ASTM A240 · IS 6911 · SS sheet weight chart (kg) · SS sheet weight calculator · sheet sizes & gauge chart · HSN & GST codes for SS sheet · indicative ₹/kg price list.

Frequently asked questions