Stainless Steel 254 SMO Suppliers, Manufacturers and Stockist – UNS S31254 (1.4547), ASTM A182 (F44), ASTM A240, ASTM A249, ASTM A269, A312, A469, A813, A814

  • Metallica is one of the biggest stainless steel 254 SMO product supplier and manufacturer in India, with over 250 customers in India and overseas. We are bulk buyers and exporters of stainless steel 254 SMO pipes, plates, fittings and flanges, tubular products, piping components, bar products, structurals and wire products from our factory in India, and are able to give you the best price and quality just in time.
  • We stock all major forms of stainless steel 254 SMO grade such as stainless steel 254 SMO pipe and tube, SS 254 SMO flange and fittings, SS 254 SMO butt-welding pipe fittings, SS 254 SMO elbow, SS 254 SMO tee, SS 254 SMO reducer, SS 254 SMO stub end, SS 254 SMO bars, 254 SMO sheets, gaskets, fasteners, valves, sanitary fittings etc. Being one of the largest volume stainless steel 254 SMO supplier in Mumbai, we can guarantee you the lowest prices.
  • At Metallica Metals, we believe in selling in volume and increasing our customer base across the globe, enabling us to work on low margins. We have an extensive trader network across India and the Middle East, who buy from us on a regular basis.
  • In addition to traders, we have many EPC contractors, companies and end users in various industries as our customers for stainless steel. We are leading stainless steel 254 SMO suppliers for various applications in high chloride environments due to its high levels of molybdenum and nickel.
  • Stainless steel grade 254 SMO™ is a very high end austenitic stainless steel. It is designed with a combination of impact toughness resistance to chloride stress corrosion cracking, and pitting and crevice corrosion with strength that is twice that of the stainless steel 300 series.
  • For certain applications, grade 254 SMO™ has been reported to be a cost-effective substitute for high nickel and titanium alloys. It is known to possess excellent workability as well.

Stock & Production Range of Stainless Steel 254 SMO Materials

Product Stainless Steel 254 SMO
ASTM Standard ASTM A182 (F44), ASTM A240, ASTM A249, ASTM A269, ASTM A276, ASTM A312, ASTM A469, ASTM A479, ASTM A484, ASTM A813, ASTM A814
Equivalents UNS S31254, 1.4547, X1CrNiMoCuN20-18-7, 1.4529
Items Pipe, Tubes, Tubing, Fittings, Flanges, Valves, Fasteners, Sheets, Plates, Bars, Forged Parts, Cast Parts
Size Diameter: 1” to 11”, Length: upto 24″
Pipe Type Seamless, Welded, ERW, Fabricated, Custom Size Pipes
Specifications ASTM, ASME, DIN, GOST, JIS
Certification EN 10204 3.1
Fittings Type Butt Weld, Screwed & Socket Weld, Flanges, Instrumentation
Other Fittings Elbows, Tees, Reducers, Caps, Stub Ends, Flanges (ANSI, Table E, D and H), Nuts, Bolts, Screws, Threaded Bars

Full Range of Stainless Steel 254 SMO Products

Stainless Steel 254 SMO Pipes Stainless Steel 254 SMO Seamless Pipes
Stainless Steel 254 SMO Sheets Stainless Steel 254 SMO Round Bars
Stainless Steel 254 SMO Plates Stainless Steel 254 SMO Forged/Cast Parts
Stainless Steel 254 SMO Coil Stainless Steel 254 SMO Processed Flat Bar
Stainless Steel 254 SMO Welded Pipes Stainless Steel 254 SMO Square Pipes
Stainless Steel 254 SMO Flanges Stainless Steel 254 SMO Buttweld Fittings
Stainless Steel 254 SMO Forged Fittings SS 254 SMO Socket Weld Pipe Fittings
Stainless Steel 254 SMO Threaded Fittings Stainless Steel 254 SMO Fasteners
Stainless Steel 254 SMO Nuts & Bolts Stainless Steel 254 SMO U Bends & Tubes
Stainless Steel 254 SMO Valves Stainless Steel 254 SMO Tubes
Stainless Steel 254 SMO Furnace Tubes Stainless Steel 254 SMO Seamless Tubing
SS 254 SMO Heat Exchanger Tubes Stainless Steel 254 SMO Large Dia. Pipes
Stainless Steel 254 SMO Boiler Tubes SS 254 SMO High Pressure Pipes
Stainless Steel 254 SMO Forgings SS 254 SMO High Temperature Pipes

What is Stainless Steel 254 SMO?

Stainless Steel 254 SMO is a high-alloy austenitic chromium-nickel-molybdenum stainless steel developed for use in seawater, pulp and paper industry, brackish water and other aggressive chloride-bearing media. The specific levels of Cr, Ni, Mo, and N in this “super austenitic” chemical makeup allow 31254 to combine impact toughness resistance to corrosion cracking, with pitting and crevice corrosion resistance. The result is strength of nearly twice that of 300 series stainless steels.

UNS S31254 is often referred to as a “6% Moly” grade due to the molybdenum content; the 6% Moly family has the ability to withstand high temperatures and maintain strength under volatile conditions. This grade has surpassed its original intent and overlapped into many industries proving useful owing to its high level of molybdenum amount other elements, which allows 31254 to be used successfully in various applications such as flue gas desulfurization and chemical environments. In some applications it has even been found to be a more cost effective substitute for high nickel and titanium alloys.

Properties and Processing Characteristics of Stainless Steel 254 SMO

  • Excellent resistance to pitting and crevice corrosion, PRE = ≥42.5*. (*The PRE is defined as, in weight-%, PRE = %Cr + 3.3 x %Mo + 16 x %N)
  • High resistance to general corrosion
  • High resistance to stress corrosion cracking
  • Higher strength than conventional austenitic stainless steels
  • Good weldability

Chemical Properties of Stainless Steel 254 SMO

Grade C Cr Mn Mo N Ni P Si S
254 SMO 0.02 max min: 19.5 1.00 max min: 6.0 min: 0.18 min: 17.5 0.03 max 0.80 max 1.01 max
max:20.0 max: 6.5 max: 0.20 max: 18.0

Mechanical Properties of Stainless Steel 254 SMO

Grade Tensile Strength ksi (MPa) min Yield Strength 0.2% Offset ksi (MPa) min Elongation – % in 50 mm (min.) Hardness
(Brinell) MAX (Rockwell B) MAX
254 SMO Sheet & Strip 100 (690) 45 (310) 35 223 96
254 SMO Plate 95 (655) 45 (310) 35 223 96

Physical Properties of Stainless Steel 254 SMO

Grade Stainless Steel 254 SMO
Density 8.0 kg/dm^3
Modulus of Elasticity 195 GPa
Linear Expansion at 68 to 212°F(20 to 100°C) 16.5 X10^-6/°C
Thermal Conductivity 14 w/m°C
Thermal Capacity 500 J/kg°C
Electrical Resistivity 0.85 μΩm

Applications of Stainless Steel 254 SMO Plates, Pipes, Fasteners & Forgings

  • Saltwater handling
  • Tall oil distillation columns
  • Flue gas desulfurization scrubbers
  • Components used in petroleum production
  • Food processing equipment
  • Process equipment in chemical industry
  • Bleaching equipment in the pulp and paper industry
  • Flue-gas cleaning
  • Desalination
  • Heat exchangers

Fabrication Data & Other Properties of Stainless Steel 254 SMO

Avoid abrasion against copper/copper alloys or other similar metals which, if present in metallic form, can cause cracks during subsequent welding, hot processing or heat treatment.

Machinability

Stainless steel grade 254 SMO™ is quite tough to machine due to the extremely high work hardening rate and lack of sulfur content; however using sharp tools, overpowered machine tools, positive feeds, good amount of lubrication, and slow speeds tend to provide good machining results.

Bending

The excellent formability of 254 SMO permits cold bending to very tight bending radii. Annealing is not normally necessary after cold bending.

Welding

Welding of stainless steel grade 254 SMO™ requires filler material without which it results in poor strength properties. Filler metals such as AWS A5.14 ERNiCrMo-3, and alloy 625 are recommended. Electrodes used in the process, have to match with AWS A5.11 ENiCrMo-12.

Annealing

Annealing of this material should be performed at 1149-1204°C (2100-2200°F), which should be followed by a water quench.

Hot Working

Forging, upsetting and other operations relating to this material can be performed at 982 – 1149°C (1800 – 2100°F). It is recommended that temperatures do not exceed this range as it would result in scaling and reduction in the workability of the material. To re-attain maximum corrosion resistant properties, it is advisable to perform post-process annealing.

Cold Working

Cold working can be carried out using all the traditional methods; however the process would be tough due to its high work hardening rate. The result will provide the material with increased strength and toughness.

Hardening

Stainless steel grade 254 SMO™ does not respond to heat treatment. Hardening is possible only through cold reduction.

Forging

This is a highly alloyed material and the recommended forging temperature range is 2370/1920ºF (1300/1050ºC), followed by a solution anneal at 2100ºF (1150ºC) minimum temperature.

Corrosion Resistant Properties of Stainless Steel 254 SMO

  • Excellent resistance to pitting and crevice corrosion due to its high chromium, molybdenum, and nitrogen content
  • Has a very low carbon content, which means there is very little risk of carbide precipitation during heating
  • Possesses very good resistance in water containing chlorides, therefore, it is suitable for use in seawater as it can be exposed to it for prolonged periods without suffering from crevice corrosion

Testing & Inspection of Stainless Steel 254 SMO Materials

Testing (Destructive, Non Destructive)

Positive Material Identification – PMI Testing Hydrostatic Test
Chemical Analysis – Spectro Analysis Hydrogen-Induced Cracking (HIC) Test
Mechanical Testing Such as Tensile, Elongation, Reduction of Area Sulfide Stress Corrosion Cracking (SSC), NACE TM 0177
Micro Test Radiography Test
Macro Test Dye Penetrant Test (DP Test)
Hardness Test Ultra Sonic Test (UT)
Pitting Resistance Test Eddy Current Testing
Intergranular Corrosion (IGC) Test Impact Test
Flaring Test Bend Test
Flattening Test

Inspection

  • Our internal inspection reports would be provided for all the goods before shipment.
  • Buyers or their associates are most welcome to visit us for personal inspect
  • We regularly have inspections ongoing at our premises from internationally acclaimed Inspection Agencies such as TUV, BVIS, SGS, Llyods, DNV etc.

Prices for Stainless Steel 254 SMO Materials

Prices for stainless steel 254 SMO materials are directly co related to prices of the raw materials such as iron ore, metal scrap, chromium, nickel and various other alloying elements. The production cost of heat resistant stainless steel and nickel alloy plates is high as they contain high amount of nickel and chromium. Meanwhile, mild steel material is among the lowest cost steel available, followed by carbon steel, 400 series stainless steels, aluminium, alloy steel, and 300 series stainless steel. Special alloys such as titanium, Inconel, Monel and Hastelloy cost very high as the nickel, chromium and moly content is very high.

For special and discounted prices for various types of stainless steel 254 SMO products, please feel free to contact us through email, phone or whatsapp.

We are also regularly publishing our price list for various steel products on our blog.

Documents Provided at the time of Domestic Sales or Export of Stainless Steel 254 SMO Products

Certificate of Origin Raw Material Test Reports
Commercial Invoice Heat Treatment Charts
Packing List Quality Assurance Plan (QAP)
Fumigation Certificates NABL approved Laboratory Test Reports
Letter of Guarantee Material Test Certificates
ROHS Certificate Certificate of Compliance/Conformity

Price Basis for Stainless Steel 254 SMO Materials

We can offer any of the following price basis depending on your requirement:

  • Ex-works
  • FOR Site in India
  • FOB Nhava Sheva
  • CFR, CIF, CPT your destination port
  • Door to Door Delivery Duty Paid as well as Duty Unpaid

Delivery Time of Stainless Steel 254 SMO Materials

  • If the items are available in stock, we take 2 days from the date of receipt of advance payment to clear the shipment and send it to port.
  • And in-case the items are not available in stock, the time taken for manufacturing depends on the size, quantity and grade.
  • However we can claim the fact that we can compete with anyone in India on Delivery time and most of the time our production time is the least.
  • We have tied up with strong logistic partners in India which can undertake any type of shipping activities and make sure that there is no delay in shipment.

Marking & Packing of Stainless Steel 254 SMO Materials

  • All our products will have complete marking details which are co-related to the test certificates we supply.
  • In case of orders for cut piece of Pipes, Sheets or Round Bars, the marking is transferred from the product from which it is cut. In such cases we provide Letter confirming the marking transfer and picture of the product from which it is cut.
  • All goods are packed in wooden cases or pallets.