Stainless Steel 431 Sheets & Plates

Stainless Steel 431 Sheets & Plates

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Stainless Steel 431 Hot Rolled Plates, SS 431 Coils Suppliers, Stainless Steel 431 Cold Rolled Sheets, Stainless Steel 431 Sheets, Stainless Steel 431 Sheets & Plates, Stainless Steel 431 Plates Stockist in Mumbai, India.

Triton Alloys is one of the emerging industry which offers the excellent quality of SS grade plates to their customers worldwide. The industry is highly appreciated by the patrons due to their unique services and qualities they offer on their plates. The industry is the leading exporter, manufacturer and supplier of high quality SS 431 PLATES. Buyers prefer to buy SS plates because of the industry specilization in offering the high quality Offshore and Structural Steel plates to their customers globally.

Moreover, other unique features offered are high end finishing, accurate dimensions of the plates, good durability and timely delivery of the products. The industry has years of experience in Offshore and Structural Steel plates which are offered in good quality and lower cost.

EQUIVALENT GRADE OF SS 431 Sheets, Plate & Coils

SS 431 1.4057 S43100 431 SUS 431

Stainless Steel and its grade:
The most versatile material in the market that offers highest corrosion resistance property is Stainless Steel. It is a steel alloy that has slight content of chromium (10.5%) which is helpful in offering the resistive properties. Besides, the general characteristics exhibited by the steel are excellent oxidation resistance, pitting resistance to chloride environment, resistance to reducing acids, stress crack corrosion resistance and excellent weldability and strength in high temperature. Other metallic and non-metallic elements present in the market helps in imparting other good characteristics.

Elements such as niobium, carbon, manganese, molybdenum and silicon are present in the material that offers excellent mechanical properties and good strength in extensive temperatures.

Talking about the SS grades, there are numerous grades in the market that are used in order to manufacture good quality of SS plates. But one of the most used SS grade is 431. The grade offers excellent corrosion resistance and strength to the plates in high heating temperature. Fabricated plates are suitable to be used in various marine industrial application due to excellent corrosive resistivity property of Grade 431 SS. It is a low nickel and high chromium material that offers excellent strength and oxidation resistance. The resistance to corrosion can be enhanced by hardening process.

Quality tests on plates :
Triton Alloys conducts several material tests on SS 431 PLATES in order to ensure the quality and productivity before finally delivering it to the customers. The tests performed are mechanical test, flexibility test, hardness test, micro and macro test, flaring test, flattening test, pitting resistance test, PMI test, IGC test and chemical analysis are some of the tests performed.

Documentations and tests certifications offered :
The industry maintains complete transparency with the client when exporting the product. The documents offered by the industry helps the customers to counterpart the product with the documents. Testament such as welding procedure specification, QAP, heat treatment chart, packaging list that includes the net and the gross weight, commercial invoice and guarantee letter are some of the relevant documents offered.

Other than the documents, the industry also provides relevant tests certifications along with SS 431 PLATES. Tests certifications such as manufacturer TC in conformance with EN10204, raw material report, third party inspection reports, radiography test reports and other inspection certifications are offered along with the SS grade plates.

Packaging :
In order to preserve the quality of SS 431 PLATES until the destination point, the industry use efficient quality of packaging that helps in avoiding severe damage to the product. The plates are wrapped in poly bags and then further packed in large wooden cases, crates or pallets that are free from fumigation and other impurities. Besides, industry sales team briefs with the customers and complete all the documentation formalities when shipping the product outside India. Moreover, the SS grade plates are served along with the relevant shipping documents to the buyers across the world.


Specifications ASTM A240 / ASME SA240
Width 1000mm / 1219mm /1250mm / 1500mm / 2000mm
Length 2000 mm / 2440 mm / 2500 mm / 3000 mm / 6000 mm
Thickness 5mm to 50mm
Hardness Soft, Hard, Half Hard, Quarter Hard, Spring Hard etc.
Finish Hot rolled plate (HR), Cold rolled sheet (CR), 2B, 2D, BA NO(8), SATIN (Met with Plastic Coated)
Form Coils, Foils, Rolls, Plain Sheet, Strip, Flats, Blank (Circle), Ring (Flange) etc.

Chemical Composition Of Stainless Steel 431 Plates

Grade C Mn Si S P Cr
SS 431 0.20 max 1.00 max 1.00 max 0.030 max 0.040 max 15.00 – 17.00

Mechanical Properties Of ASTM A240 Stainless Steel 431 Sheets

Element Density Tensile Strength Yield Strength (0.2%Offset) Elongation Hardness
SS 431 7.8 g/cm3 MPa – 380 MPa – 170 20 % Rockwell B (HR B)- 88 / Brinell (HB)- 0.5t

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We Offers Following Processing for SS 431 Sheets & Plates
  • Stainless Steel 431 Plate Cutting
  • Stainless Steel 431 Plate Forming Drilling / Machining
  • Stainless Steel 431 Plate Grinding
  • Stainless Steel 431 Plate Testing


Forming Drilling / Machining



Price List of Stainless Steel 431 Sheets/Plates

Stainless Steel 431 HR Plates
US $800-3000 / Metric Ton( FOB Price)

Hot Rolled Stainless Steel 431 Plates
US $605-629 / Metric Ton( FOB Price)

Stainless Steel 431 Shim Sheets
US $800-4000 / Metric Ton( FOB Price)

Stainless Steel 431 Chequered Plate
US $500-800 / Metric Ton( FOB Price)

SS 431 Perforated Sheet
US $560-670 / Ton( FOB Price)

Steel 431 HR Plates
US $500-900 / Ton( FOB Price)

Applications of Stainless Steel 431 Plates
  • Machine building
  • Pylons and other architectural structures
  • Lifting and mobile equipment
  • Construction of bridges
  • Wearing plates
  • Framework structures
  • Crane booms
  • Containers

Machine building

Pylons and other architectural structures

Lifting and mobile equipment

Construction of bridges

Wearing plates

Framework structures

Crane booms

Rail cars

Stone or iron chutes

Truck frames


Vehicles and transport equipment

Steel constructions

Anti drill plates such as security doors, shot blasting equipment and tumbling machine