Conquest Steel & Alloys
Conquest Steel & Alloys
Girgaon, Mumbai, Maharashtra
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Stainless Steel Products

Providing you the best range of irsm 44 stainless steel, precipitation hardening stainless steel, 253ma stainless steel, ferritic stainless steel, austenitic stainless steel and martensitic stainless steel with effective & timely delivery.

IRSM 44 Stainless Steel

IRSM 44 Stainless Steel
  • IRSM 44 Stainless Steel
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Approx. Price: Rs 145 / KilogramGet Latest Price

Product Details:

ConditionNew
Thickness (Millimeter)6mm-150 mm
ApplicationConstruction
Width1000mm-2500mm
Length6000mm-12000mm

Conquest Steel & Alloys is a formidable supplier and stockholder of IRSM 44 and SS 409M which are most commonly used fabrication materials for the railway wagons due to its abundantly availability, low initial cost, easy to fabricate, cast and forge, good strength, easy to enhance properties by adding alloying elements and heat treatment, recyclable and eco-friendly. IRSM 44 Stainless steel has been a preferred material in railway applications worldwide on account of its long life, higher strength-to-weight ratio, aesthetic appearance & corrosion resistance. The most important benefit is that SS409M stainless steel is a sustainable material, After a long service life, there is very little loss of material due to corrosion. Its durability and minimal maintenance requirements make stainless steel a better choice economically. Benefitted by energy saving lightweight design and 100% recyclability at the end of service life, stainless steel can be qualified as environmental friendly material. A bright contemporary finish of stainless steel has further strengthened the applicability of stainless steel in the rail industry. In addition, stainless steel does not require protective paint coatings which further reduce maintenance cost. For wagon application, we will be talking about only one utility grade stainless steel 1.4003, which has numerous local names in different countries. IRSM 44 - 97 also supplied according to equivalent standards and specifications which are EN 10088-2 ASTM S40977, DIN X2Cr11, 3CR 12, F12N, IR - CK 201, X2CrNi12, SS409M.

Many stainless steel grades are in use in railways operations today. Austenitic stainless steel grades 301LN, 201, 301, 201LN and 304 have been used in the construction of railway coaches, while ferritic stainless steel 409M, IRSM 44- 97 and X2CrNi12have been used for freight wagons.

Conquest Steel & Alloys is an experienced stainless steel plate supplier which can offer you IRSM 44 steel plate, SS409M steel plate, X2CrNi12 steel plate and dimension ranges as below.

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Precipitation Hardening Stainless Steel

Precipitation Hardening Stainless Steel
  • Precipitation Hardening Stainless Steel
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Approx. Price: Rs 270 / KilogramGet Latest Price

Product Details:

ColorSilver
ConditionNew
Surface FinishSilver Coated
ApplicationConstruction
Tensile Strength Range860 to 1520 Mpa

Precipitation Hardening Stainless Steel which is chromium-nickel stainless, which contain alloying additions such as aluminium, copper or titanium that allow them to be hardened by a solution and that provide an optimum combination of the properties of martensitic and austenitic grades. Like martensitic grades, they develop their high strength and hardness through a variety of heat treatments and they also have the corrosion resistance of austenitic steel. Precipitation Hardening stainless steels, or hardenable chromium-nickel alloys, are classified as martensitic, semi-austenitic or austenitic in the aged condition. The martensitic (such as Type 630) and semiaustenitic (such as Type 631) can provide higher strength than the austenitic (such as Type 660, also known as A286).

They are used in aircraft parts and commonly viewed as bar alloys, but are also available in flat roll products with a very high strength-to-weight ratio. The martensitic PH steels are used in aerospace, chemical and petrochemical, and food processing applications. Semi-austenitic grades are 17-7 PH and PH 15-7 Mo. They are austenitic in the annealed state, but martensitic in the hardened condition. Other grades of PH alloy stainless steels include 17-4 PH and 15-5 PH. The most well known precipitation hardening steel is 17-4 PH. The name comes from the additions 17% Chromium and 4% Nickel. It also contains 4% Copper and 0.3% Niobium. 17-4 PH is also known as stainless steel grade 630.
The PH grades achieve high tensile properties in heat treated conditions. Applications for PH alloy steels include aerospace components, flat springs and retaining rings, among others. The advantage of precipitation hardening steels is that they can be supplied in a "solution treated" condition, which is readily machinable. After machining or another fabrication method, a single, low temperature heat treatment can be applied to increase the strength of the steel. This is known as ageing or age-hardening. As it is carried out at low temperature, the component undergoes no distortion.

Characterization
Precipitation hardening steels are characterized into one of three groups based on their final microstructures after heat treatment. The three types are martensitic (e.g. 17-4 PH), semi-austenitic (e.g. 17-7 PH) and austenitic (e.g. A-286).

Applications
  • Gears
  • Valves and other engine components
  • High strength shafts
  • Turbine blades
  • Moulding dies
  • Nuclear waste casks

Corrosion Resistance

Precipitation hardening stainless steels have moderate to good corrosion resistance in a range of environments. They have a better combination of strength and corrosion resistance than when compared with the heat treatable 400 series martensitic alloys. Corrosion resistance is similar to that found in grade 304 stainless steel. In warm chloride environments, 17-4 PH is susceptible to pitting and crevice corrosion. When aged at 550 DegreeC or higher, 17-4 PH is highly resistant to stress corrosion cracking. Better stress corrosion cracking resistance comes with higher ageing temperatures.
Corrosion resistance is low in the solution treated (annealed) condition and it should not be used before heat treatment.

Hot Working
Hot working of 17-4 PH should be performed at 950 Degree-1200 DegreeC. After hot working, full heat treatment is required. This involves annealing and cooling to room temperature or lower. Then the component needs to be precipitation hardened to achieve the required mechanical properties.

Weldability
Precipitation hardening steels can be readily welded using procedures similar to those used for the 300 series of stainless steels. Grade 17-4 PH can be successfully welded without preheating.
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253MA Stainless Steel

253MA Stainless Steel
  • 253MA Stainless Steel
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Approx. Price: Rs 225 / KilogramGet Latest Price

Product Details:

ConditionNew
Thickness (Millimeter)0.6mm-30 mm
Width1000mm-1500mm
Length2000mm-6000mm

Conquest Steel & Alloys is a supplier and stockholder of 253MA Stainless Steel is a lean austenitic heat resistant alloy with high strength and outstanding oxidation resistance. UNS 30815 and 253 MA maintains its heat resistant properties by advanced control of micro-alloy additions. 253MA contains a fairly low nickel content, which gives it some advantage in reducing sulphide atmospheres when compared to high nickel alloys. The inclusion of high chromium, silicon, nitrogen and cerium contents gives the steel good oxide stability, high elevated temperature (creep) strength and excellent resistance to sigma phase precipitation. The austenitic structure gives this grade excellent toughness, even down to cryogenic temperatures. The high mechanical strength of Conquest steel & alloys 253 MA allows for thinner tube wall constructions compared with using materials of the ASTM 310 type. Despite the material's high strength, ductility is not reduced, and good formability is maintained. A wide variety of components requiring high strength at elevated temperatures such as heat exchangers, kilns, stack dampers and oven components are common applications for 253 MA.

Main characteristics of 253 MA
  • High creep- rupture strength
  • Very good resistance to isothermal and, particularly, cyclic oxidation
  • Very good resistance to combustion gases
  • Good structural stability at high temperatures
  • Good weldability
  • Excellent oxidation resistance to 2000 DegreeF
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Ferritic Stainless Steel

Ferritic Stainless Steel
  • Ferritic Stainless Steel
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Approx. Price: Rs 115 / KilogramGet Latest Price

Product Details:

ApplicationConstruction
ShapeSquare
MaterialSS

Ferritic stainless steels are plain chromium stainless steels with a chromium content varying between 10.5 and 18% and a low carbon content. Ferritic stainless steel are magnetic and cannot be hardened by heat treatment and are always used in the annealed condition. Ferritic, or nonhardenable stainless steels, are classified in the 400 series and are normally specified due to superior corrosion resistance and resistance to scaling at elevated temperatures. With inherent strength greater than carbon steels, ferritic provide an advantage in many applications where thinner materials and reduced weight are necessary, such as automotive emission control systems. They are nonhardenable by heat treating and are always magnetic. Commercially available AISI grades are Type 409, Aluminized 409, 410S, 430, 434, 436, 439, Aluminized 439 and 444.

Ferritic stainless steel consists of iron-chromium alloys with body-centered cubic crystal structures. They can have good ductility and formability, but high-temperature strengths are relatively poor when compared to austenitic grades. They are also not susceptible to stress corrosion cracking. Weldability is acceptable in thin sections but decreases as section thicknesses increase.
Some ferritic stainlesses (such as types 409 and 405) used, for example, in mufflers, exhaust systems, kitchen counters and sinks, cost less than other stainless steels. Other more highly alloyed steels low in C and N (such as types 444 and 261) are more costly, but are highly resistant to chlorides. Ferritic stainless steel include grades like 430 and contain only chromium as a major alloying element. They are known for their moderate corrosion resistance and poor fabrication properties. Fabrication properties can be improved by alloy modifications and are satisfactory in grades such as 434 and 444.

Application:
  • Automotive exhausts systems
  • Fuel lines
  • Cooking utensils
  • Appliances
  • Furnaces
  • Architectural trim
  • Domestic appliances
  • Petrochemical
  • Heat exchangers

Types of Ferritic Stainless Steel:
  • Group 1 (type 409/410L): These have the lowest chromium content of all stainless steels and are ideal for slightly corrosive environments where localized rust is acceptable. The least expensive of all stainless steels, type 409 was initially created for automotive exhaust systems silencers, but can now be found in automotive exhaust tubing and catalytic converter casings. Type 410L is often used for containers, buses and LCD monitor frames.
  • Group 2 (type 430): The most commonly used ferritic steel, type 430 has a higher chromium content and is, consequently, more resistant to corrosion by nitric acids, sulfur gasses and many organic and food acids. In some applications, this grade can be used as a replacement for austenitic grade 304. Type 430 is often found in interior appliances, including washing machine drums, kitchen sinks, cutlery, indoor panels, dishwashers and other cooking utensils.
  • Group 3 (type 430Ti, 439 and 441): Having better weldability and formability characteristics than Group 2 ferritic sheets of steel, Group 3 steel can be used to replace austenitic type 304 austenitic in a wider range of applications, including in sinks, exchange tubes, exhaust systems and welded parts of washing machines.
  • Group 4 (type 434, 436, 444): With a higher molybdenum content, these ferritic stainless steel grades have enhanced corrosion resistance and are used in hot water tanks, solar water heaters, exhaust system parts, electric kettles, microwave oven elements, as well as the automotive trip. Grade 444, in particular, has a pitting resistance equivalent (PRE) to Grade 316, allowing it to be used in more corrosive outdoor environments
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Austenitic Stainless Steel

Austenitic Stainless Steel
  • Austenitic Stainless Steel
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Approx. Price: Rs 126 / KilogramGet Latest Price

Product Details:

ColorSilver
Surface FinishSilver Coated
MaterialSS

Austenitic, or nonmagnetic stainless steels, are classified in the 200 and 300 series, with 16% to 30% chromium and 2% to 20% nickel for enhanced surface quality, formability and increased corrosion and wear resistance, and are nonhardenable by heat treating. These steels are the most popular grades of stainless produced due to their excellent formability and corrosion resistance. All austenitic steels are nonmagnetic in the annealed condition. (Depending on the composition, mainly the nickel content, austenitics do become slightly magnetic when cold worked.) Austenitic stainless steel grades include: Type 201, NITRONIC® 30, 301, 304, 305, 309S, 316, 316L, and 321. Austenitics are used for automotive trim, cookware, food and beverage equipment, processing equipment, and a variety of industrial applications.

Austenitic stainless steels are the most weldable of the stainlesses and can be divided rather loosely into three groups: common chromium-nickel (300 series), manganese-chromium-nickel-nitrogen (200 series) and specialty alloys. Austenitic is the most popular stainless steel group and is used for numerous industrial and consumer applications, such as in chemical plants, power plants, food processing and dairy equipment. Austenitic stainless steels have a face-centered cubic structure. Though generally very weldable, some grades can be prone to sensitization of the weld heat-affected zone and weld metal hot cracking. 

 

Super austenitic grades have enhanced pitting and crevice corrosion resistance compared with the ordinary austenitic or duplex types.

    ·         AUSTENITIC STAINLESS STEELS

    TYPE

    Equivalent UNS

    201

    S20100

    202

    S20200

    205

    S20500

    301

    S30100

    302

    S30200

    302B

    S30215

    303

    S30300

    303Se

    S30323

    304

    S30400

    304L

    S30403

    302HQ

    S30430

    304N

    S30451

    305

    S30500

    308

    S30800

    309

    S30900

    309S

    S30908

    310

    S31000

    310S

    S31008

    314

    S31400

    316

    S31600

    316L

    S31603

    316F

    S31620

    316N

    S31651

    317

    S31700

    317L

    S31703

    317LMN

    S31726

    321

    S32100

    330

    NO8330

    347

    S34700

    348

    S34800

    384

    S38400

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    Martensitic Stainless Steel

    Martensitic Stainless Steel
    • Martensitic Stainless Steel
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    Approx. Price: Rs 160 / KilogramGet Latest Price

    Product Details:

    Hardness60 HRC
    Tensile Yield Strength275 Mpa
    MaterialStainless Steel

    Martensitic, or hardenable stainless steels, are classified in the 400 series, usually with 11.5% chromium up to 18% chromium, with higher levels of carbon than ferritics, and are capable of being heat treated to a wide range of hardness and strength levels. Commercially produced AISI grades of this class are Type 410, 410H, 420, and 420HC. Martensitic stainless steels are used extensively in cutlery, sport knives and multi-purpose tools.

    Martensitic stainless steels can be high or low-carbon steels built around the Type 410 composition of iron, 12% chromium, and up to 1.2% carbon. They are usually tempered and hardened. Tempered martensite gives steel good hardness and high toughness; used largely for medical tools (scalpels, razors and internal clamps).  Untempered martensite is low in toughness and therefore brittle.

    Martensitic stainless steels work in the same way as many low alloy steels. Carbon is the key element. They have a structure similar to the ferritics with a 'body-centred tetragonal' (bct) crystal lattice. Normally, when steels are heated they transform from ferrite to austenite. On slow cooling the steel transforms back to ferrite. However, with fast cooling through quenching in water, oil or sometimes even air, the carbon atoms become trapped in a somewhat distorted atomic matrix. This is known as body-centred tetragonal. The distortion of the atomic matrix leads to the hard martensitic structure. The higher the carbon level the harder is the martensite. In the as-quenched condition, martensitic steels are virtually useless as they have insufficient impact toughness.

    Due to the addition of carbon, they can be hardened and strengthened by heat treatment, in a similar way to carbon steels. They are classed as a "hard" ferro-magnetic group. In the annealed condition, they have tensile yield strengths of about 275 MPa and so they are usually machined, cold formed, or cold worked in this condition. The strength obtained by heat treatment depends on the carbon content of the alloy. Increasing the carbon content increases the strength and hardness potential but decreases ductility and toughness. The higher carbon grades are capable of being heat treated

    Applications:
    • Knife blades
    • Cutlery
    • Fasteners
    • Surgical instruments
    • Shafts
    • Springs

    Other Details:

    MARTENSITIC STAINLESS STEELS

    TYPE

    Equivalent UNS

    403

    S40300

    410

    S41000

    414

    S41400

    416

    S41600

    416Se

    S41623

    420

    S42000

    420F

    S42020

    422

    S42200

    431

    S43100

    440A

    S44002

    440B

    S44003

    440C

    S44004

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