304 is the grade most stainless steel work starts from, and it is the right answer for the majority of atmospheric, water and food-contact service. The L variant caps carbon at 0.03% to prevent chromium carbide precipitation at grain boundaries during welding, which is what causes weld decay in heavier sections. Where chlorides are present, 304 pits, and the conversation should move to 316.
Pitting resistance equivalent. Higher resists chlorides better.
Indexed to 304. Indicative, for specification triage.
Rajgranth Metal & Alloys manufactures, stocks, supplies and exports Stainless Steel 304 and 304L welded Pipes (UNS S30400 / S30403) from Mumbai. The default austenitic stainless. 18% chromium, 8% nickel, no molybdenum. Rajgranth Metal & Alloys has been trading since 1980, is self-funded and debt-free, and despatches most orders from its Mumbai stockyard within two days.
304 is the grade most stainless steel work starts from, and it is the right answer for the majority of atmospheric, water and food-contact service. The L variant caps carbon at 0.03% to prevent chromium carbide precipitation at grain boundaries during welding, which is what causes weld decay in heavier sections. Where chlorides are present, 304 pits, and the conversation should move to 316.
Stainless Steel 304 and 304L is also designated UNS S30400 / S30403, EN 1.4301 / 1.4306, AISI 304 / 304L, JIS SUS304 / SUS304L, GB S30408 / S30403 and Werkstoff X5CrNi18-9 / X2CrNi19-11. Quote the designation your specification uses and we will supply to it.
Widest availability and shortest lead time of any stainless grade, Excellent formability and weldability, Good resistance to atmospheric and fresh-water corrosion and Food-contact and potable-water approved. It is non-magnetic, with excellent weldability and fair machinability, and is used in continuous service in air up to about 870 °C.
Pits in chloride environments, including coastal air and seawater, Not suitable for sulphuric, hydrochloric or reducing acid service, Work-hardens rapidly, which makes heavy machining slow and Non-L variant risks sensitisation in welded sections above 6 mm. We state these plainly so the grade is chosen for the right service.
Our published range covers outside diameter 10.3 to 609.6 (mm), schedule SCH 5 to SCH XXS, wall thickness 0.71 to 8.0 (SWG, mm), length 5 m, 6.5 m (Customised up to 12 m per requirement) and pipe ends Plain, Bevelled. Standards include ASTM A213 / ASME SA-213, ASTM A269, ASTM A312 / ASME SA-312, ASTM A376 / ASME SA-376, ASTM A789 / ASME SA-789, ASTM A790 / ASME SA-790, ASTM A268 / ASME SA-268, ASTM A511, ASTM B163 / ASME SB-163 and ASTM B407 / ASME SB-407. Finishes and conditions include Bright Annealed (CFA), Solution Annealed (CFD), Electro Polished (EP), Polished (APP), Annealed and Pickled (AP), Mirror Polish, Matt Polish and Cold Drawn.
food and dairy processing, architectural and structural trim, potable water systems, general process piping, heat exchanger tube and fasteners and machined parts. Typical industries: dairy & food, pharmaceutical, plant engineering and automotive. We supply across India and export to markets in the Middle East, Africa, Europe, Asia, North America and South America.
Material is supplied with documentation, tested in house across 18 listed testing facilities, and covered by our ISO 9001:2015 quality management system. Rajgranth Metal & Alloys has been trading since 1980, is self-funded and debt-free, and despatches most orders from its Mumbai stockyard within two days.
Individually listed because these are the sizes most often asked for. Everything else is supplied to order.
mm
SWG, mm
Customised up to 12 m per requirement
The full detail for this product as supplied from our Mumbai stockyard: sizes, grades, standards, tolerances, tests and applications.
Rajgranth Metals & Alloys is a Trusted Manufacturers, Stockholders, Exporters and Suppliers of Stainless Steel Welded Pipes Grades 304 based in Mumbai, India.Our premium pipes ensure durability and corrosion resistance, meeting diverse industrial needs. Choose excellence for lasting performance.
Size x Thickness x Standard x Specification x Grade
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