Alloy Steel Sheet Manufacturer

Nandini Steel offers alloy steel sheets for industrial applications where higher-than-average carbon steel is required. We are accredited to ISO 9001:2015, which means the same sourcing, testing and supply process is applied to every order. This is important when a client is placing repeat orders across a range of projects and wants to see the same standard of quality each time.

An alloy steel sheet is steel that contains carbon along with added elements such as chromium, nickel, molybdenum, manganese and vanadium. These elements aren’t just fillers. They change how the steel behaves under stress, heat and wear. Depending on the grade, you get better strength, hardness, toughness, wear resistance, corrosion resistance, or high-temperature performance, sometimes a combination of several.


This is where alloy steel sheets differ from conventional carbon steel. Carbon steel works fine for general-purpose use, but it doesn’t hold up as well under extreme pressure, repeated impact or high heat. The alloying additions give the material properties that plain carbon steel simply doesn’t have.


We supply these sheets in different grades, sizes, thicknesses and specifications, since no two projects need the exact same material. Its range supports applications across industries such as oil & gas, construction, automotive, power generation, heavy engineering, and machinery manufacturing. Nandini Steel is one of the leading suppliers and manufacturers of alloy steel sheet that is available in the required quality standards and industry specifications for every application.

Alloy Steel Sheet Specification

Key Features of Alloy Steel Sheets

High strength

Provides specified strength for applications subject to mechanical loading, depending on grade and heat-treatment condition.

Excellent Toughness

Impact and shock loading resistance. It is hard and will not crack under sudden mechanical shocks in service.

High Hardness

Better resistance to indentation, deformation and wear of the surface, useful for equipment in continuous physical contact with other parts.

Superior Wear Resistance

Perfect for parts subjected to friction, abrasion and continuous mechanical movement, as found in heavy-duty machinery setups.

Good Fatigue Resistance

Resistance to cyclic loading or repeated loading over long periods of service. Decreases the risk of sudden failure due to constant stress.

Improved Corrosion Resistance

Certain alloying elements improve resistance to oxidation and corrosive environments. This depends on which grade you pick.

High-Temperature Performance

High-Temperature Performance: Selected grades retain useful mechanical properties at elevated temperatures, within their specified service range.

Good Machinability

Selected grades can be machined using appropriate tooling and cutting conditions, with machinability depending on composition and heat treatment.

Weldability

This changes depending on grade and carbon or alloy content. Usually needs the right welding procedure to get a sound joint.

Dimensional Availability

Sheets are available in a variety of thicknesses, widths, lengths, grades and surface finishes depending on what your project actually needs.

Applications of Alloy Steel Sheets

Oil & Gas Industry

For equipment, structural parts and pipelines exposed to extreme pressure, temperature and operating conditions.

Automotive Industry

Involves vehicle components and structural parts, where strength, toughness and resistance to mechanical stress are important.

Construction & Structural Engineering

Ideal for heavy-duty structures, support components and machinery where high strength and durability are required.

Power Generation

Used in equipment consistently exposed to high temperatures, pressure and mechanical loads.

Heavy Machinery

Used in gears, shafts, and machine parts that take impact, wear and repeated loading over long stretches of use.

Pressure Vessels & Process Equipment

Chosen for pressure-containing applications where the grade needs to meet a specific design code and material spec.

Mining & Material Handling

Used for wear-prone components and equipment that face abrasion, impact and heavy loads regularly.

Industrial Fabrication

Suitable for fabricated components, brackets, plates and engineered structures needing better mechanical properties.

Alloy 20 Sheet vs. Alloy 28 Sheet

Alloy 20, also known as Carpenter 20, is an iron-based austenitic stainless steel with high contents of nickel (32-38%), chromium (19-21%) and molybdenum (2-3%) that are specifically formulated to manage sulfuric acid environments and possess high corrosion resistance. They are frequently utilized in the petrochemical and chemical processing industries.
On the other hand, Alloy 28 is a high-performance stainless steel with a composition of nickel (24-28%), chromium (26-28%), molybdenum (3-4%) and copper (0.6-1.2%) provide superior resistance to a wide range of corrosive environments including those containing phosphoric and sulfuric acids. This makes them suitable for applications in the chemical and food processing industries.

Ensuring Quality: Packaging, Testing, and Delivery

The plates we supply are subjected to hardness tests, flattening and flaring tests, macro and micro tests, chemical and mechanical tests, intergranular corrosion (IGC) tests, positive material identification (PMI) tests, pitting resistance tests and radiography or hydrostatic tests as necessary. These checks are there to confirm the material actually performs before it reaches your site.

Experience the difference with our alloy steel sheets. Contact us today to talk through your requirements, and our team will help you find the right fit for the job.

Why Choose Alloy Steel Sheet

Alloy steel sheets are used when a job needs more strength, toughness, hardness and durability than plain carbon steel can give. Chromium, nickel, molybdenum, manganese and vanadium are added specifically to lift these mechanical and service properties, and the exact combination depends on what the part will actually face, heat, pressure, friction, or repeated stress.

Grade selection depends on the application, the operating environment and the applicable standard. This helps ensure that the selected material matches the application requirements. That’s why alloy steel sheets used so often across oil & gas, construction, automotive, power generation, heavy engineering, machinery and industrial fabrication.

Nandini Steel works as a reliable alloy steel sheet supplier, offering different grades, sizes and thicknesses depending on what the customer actually needs.

Other Types Alloy Steel Sheet

alloy-steel-shim-sheets

Alloy Steel Shim Sheets

alloy-steel-hot-rolled-sheet

Alloy Steel Hot Rolled Sheet

alloy-steel-strip

Alloy Steel Strip

alloy-steel-cr-sheets

Alloy Steel CR Sheets

Alloy Steel Sheet Specification

Sheet Specifications: Compliant with ASTM A387 / ASME SA387 standards.
Dimensions: Available as per JIS, AISI, ASTM, GB, DIN, EN standards.
Width Range: 1000 mm to 3500 mm
Length Range: 2000 mm to 6000 mm (custom lengths available on request)
Thickness Range: 0.3 mm to 120 mm
Product Forms: Coils, Foils, Rolls, Plain Sheet, Shim Sheet, Perforated Sheet, Chequered Plate, Strip, Flats, Blanks (Circles), Rings (Flanges)
Surface Finishes: Hot Rolled Plate (HR), Cold Rolled Sheet (CR), 2B, 2D, BA, No.1, No.4, No.8, 8K, Mirror, Chequered, Embossed, Hair Line, Sand Blast, Brush, Etching, SATIN (Plastic Coated)

Contact us to get a quick quote

If you require any further information about our Alloy Steel Sheet or any other product, please do not hesitate to contact us.

Alloy Steel Sheet Thickness Chart

Thickness Thickness Size Range Surface Area per Unit weight Approx Weight per Sheet
inches mm lbs/ft² kg/m² lbs kg
0.015 0.381 36 x 96 0.630 3.07566 15.12 6.84936
0.015 0.381 36 x 120 0.630 3.07566 18.90 8.5617
0.0178 0.45212 36 x 96 0.756 3.690792 18.15 8.22195
0.0178 0.45212 36 x 120 0.756 3.690792 22.68 10.27404
0.0178 0.45212 48 x 96 0.756 3.690792 24.19 10.95807
0.0178 0.45212 48 x 120 0.756 3.690792 30.24 13.69872
0.0235 0.5969 30 x 96 1.008 4.921056 20.16 9.13248
0.0235 0.5969 30 x 120 1.008 4.921056 25.20 11.4156
0.0235 0.5969 36 x 96 1.008 4.921056 24.19 10.95807
0.0235 0.5969 36 x 120 1.008 4.921056 30.24 13.69872
0.0235 0.5969 36 x 144 1.008 4.921056 36.29 16.43937
0.0235 0.5969 48 x 96 1.008 4.921056 32.26 14.61378
0.0235 0.5969 48 x 120 1.008 4.921056 40.32 18.26496
0.0235 0.5969 48 x 144 1.008 4.921056 48.39 21.92067
0.0291 0.73914 30 x 96 1.260 6.15132 25.20 11.4156
0.0291 0.73914 30 x 120 1.260 6.15132 31.50 14.2695
0.0291 0.73914 36 x 96 1.260 6.15132 30.24 13.69872
0.0291 0.73914 36 x 120 1.260 6.15132 37.80 17.1234
0.0291 0.73914 36 x 144 1.260 6.15132 45.37 20.55261
0.0291 0.73914 48 x 96 1.260 6.15132 40.32 18.26496
0.0291 0.73914 48 x 120 1.260 6.15132 50.41 22.83573
0.0291 0.73914 48 x 144 1.260 6.15132 60.49 27.40197
0.0355 0.9017 30 x 96 1.512 7.381584 30.24 13.69872
0.0355 0.9017 30 x 120 1.512 7.381584 37.80 17.1234
0.0355 0.9017 36 x 96 1.512 7.381584 36.29 16.43937

Weight Per Alloy Steel Sheet

Plate Thickness (mm) Weight (kg/m) kg/meter (width 1200mm) kg/meter (width 1500mm) kg/meter (width 1800mm) kg/meter (width 2400mm)
3 23.55 28.3 35.3 42.4 56.5
4 31.4 37.7 47.1 56.5 75.4
5 39.25 47.1 58.9 70.7 94.2
6 47.1 56.5 70.7 84.8 113
8 62.8 75.4 94.2 113 150.7
10 78.5 94 118 141 188
12 94.2 113 141 170 226
16 125.6 151 188 226 301
20 157 188 236 283 377
22 172.7 207 259 311 415
25 196.25 236 294 353 471
28 219.8 264 330 396 528
32 251.2 301 377 452 603
36 282.6 339 424 509 678
40 314 377 471 565 754
45 353.25 424 530 636 848
50 392.5 471 589 707 942
55 431.75 518 648 777 1036
60 471 565 707 848 1130
65 510 612 765 918 1224
70 549.5 659 824 989 1319
75 588.75 707 883 1060 1413
80 628 754 942 1130 1507
90 706.5 848 1060 1272 1696
100 785 942 1178 1413 1884

Alloy Steel Sheet Stockist Distributor of Following Manufacturers

Thyssenkrupp

ThyssenKrupp Make Alloy Steel Sheet

Aperam

Aperam Make Alloy Steel Sheet

Outokumpu

Outokumpu Make Alloy Steel Sheet

Nippon Steel & Sumitomo Metal

Nippon Steel & Sumitomo Metal Make Alloy Steel Sheet

Posco

Posco Make Alloy Steel Sheet

Jindal

Jindal Make Alloy Steel Sheet

JFE Steel Corporation

JFE Steel Corporation Make Alloy Steel Sheet

Essar

Essar Make Alloy Steel Sheet

Alloy Steel Sheet Finish Types

Finish Types

 

Mumbai (Maharashtra)DelhiBengaluru (Karnataka)Chennai (Tamil Nadu)
Kolkata (West Bengal)Hyderabad (Telangana)Ahmedabad (Gujarat)Pune (Maharashtra)
Jaipur (Rajasthan)Surat (Gujarat)ChandigarhLucknow (Uttar Pradesh)
Indore (Madhya Pradesh)Coimbatore (Tamil Nadu)Kochi (Kerala)Visakhapatnam (Andhra Pradesh)
Nagpur (Maharashtra)Patna (Bihar)Bhopal (Madhya Pradesh)Vadodara (Gujarat)
Mysuru (Karnataka)Thane (Maharashtra)Rajkot (Gujarat)Vijayawada (Andhra Pradesh)
Agra (Uttar Pradesh)Nashik (Maharashtra)Guwahati (Assam)Kanpur (Uttar Pradesh)
Faridabad (Haryana)Gurugram (Haryana)Noida (Uttar Pradesh)Shimla (Himachal Pradesh)
Raipur (Chhattisgarh)Udaipur (Rajasthan)Kolkata (West Bengal)Bhubaneswar (Odisha)
Dehradun (Uttarakhand)Ranchi (Jharkhand)Jamshedpur (Jharkhand)Chandrapur (Maharashtra)
Dhanbad (Jharkhand)Aligarh (Uttar Pradesh)Bhubaneswar (Odisha)Aurangabad (Maharashtra)
Tiruchirappalli (Tamil Nadu)Srinagar (Jammu & Kashmir)Ludhiana (Punjab)Warangal (Telangana)
Kolkata (West Bengal)Bikaner (Rajasthan)Panaji (Goa)Guntur

FAQs

Steel sheets with carbon and alloying elements like chromium, nickel or molybdenum are added for improved strength, hardness and other mechanical properties.

Oil & gas, automotive, construction, power generation, heavy machinery, pressure vessels and industrial fabrication, basically anywhere carbon steel doesn’t hold up.

We source and test to ASTM and ASME standards, and every shipment comes with mill test certification.

This depends on the grade and your order requirements. Send us your specification and we’ll confirm what’s available.

Widths and lengths vary by grade and current stock. Let us know your project size and we’ll check availability.

Yes. Both options are available, depending on grade and the surface finish your application calls for.

Yes, we arrange custom cutting based on your project drawings and dimensional requirements before dispatch.

We are an ISO 9001:2015 certified stockist having more than 25 years of experience. Material as per ASTM/ASME with mill test certification with each order.

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Leading Stockist of Alloy Steel Sheet with Mirror, Brushed, and Hairline Finishes – Available at the Best Prices!
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25, Dreamland Building, 601, 6th Floor,
Mama Parmanand Marg, Operahouse, Charni Road, Girgaon, Mumbai – 400004, India