Alloy Steel Plates & Sheets Supplier, Stockist & Exporter
SteelNix supplies Alloy Steel Plates & Sheets for boilers, pressure vessels, heat exchangers, power plants, refineries, petrochemical equipment, fabrication, high-temperature service and pressure equipment applications. Explore 16Mo3 and ASTM A387 Gr 5, Gr 9, Gr 11, Gr 12, Gr 22 and Gr 91 plates and sheets in one complete product hub.
Quick Product Range
Alloy Steel Plates & Sheets
SteelNix offers a complete Alloy Steel Plates & Sheets range for industrial buyers who need strength, pressure service performance, heat resistance and reliable fabrication quality. This single product page helps buyers compare major alloy steel sheet and plate grades in one place.
One Complete Alloy Steel Flat Product Range
Our Alloy Steel Plates & Sheets range includes boiler quality plates, pressure vessel plates, chrome-moly plates, heat-resistant plates, hot rolled plates, cut plates and project-specific flat products. These grades are widely used in power, refinery, petrochemical and high-temperature pressure service applications.
Suitable for Industrial & Project Supply
SteelNix supports stockists, EPC contractors, fabricators, boiler manufacturers, pressure vessel manufacturers, refinery contractors, power plant suppliers and industrial buyers with grade selection, material availability, MTC support, cutting support and export-ready supply for Alloy Steel Plates & Sheets.
Specification, Chemical Composition & Mechanical Properties
The details below give buyers a practical overview of Alloy Steel Plates & Sheets. Final specifications, chemical limits and mechanical values may vary by grade, thickness, heat treatment condition, finish and order requirement.
Product Specifications
SteelNix can supply Alloy Steel Plates & Sheets in standard and project-based sizes. Share your grade, thickness, width, length, quantity and delivery location for accurate pricing.
| Product Detail | Specification |
|---|---|
| Product Name | Alloy Steel Plates & Sheets |
| Product Forms | Sheets, Plates, Hot Rolled Plates, Boiler Quality Plates, Pressure Vessel Plates, Chrome-Moly Plates, Cut Plates and Project-Specific Flat Products |
| Common Standards | ASTM, ASME, EN, DIN and equivalent project standards as per customer requirement |
| Available Grades | Alloy Steel 16Mo3, ASTM A387 Gr 5, ASTM A387 Gr 9, ASTM A387 Gr 11, ASTM A387 Gr 12, ASTM A387 Gr 22 and ASTM A387 Gr 91 |
| Common Finish | Hot rolled, normalized, normalized and tempered, quenched and tempered, shot blasted, primer coated, cut-to-size and project-specific finishes |
| Common Applications | Boilers, pressure vessels, heat exchangers, refineries, petrochemical plants, power plants, high-temperature equipment, fabrication and pressure service components |
| Documents | Material Test Certificate, inspection reports, test certificates and dispatch documents as per order terms |
Chemical Composition
| Grade Group | Type | Key Elements | Key Feature | Typical Use |
|---|---|---|---|---|
| 16Mo3 | Molybdenum Alloy Steel | Molybdenum with controlled carbon and manganese chemistry | Good heat resistance and pressure service suitability | Boilers, pressure vessels, heat exchangers and power equipment |
| A387 Gr 5 / Gr 9 | Chrome-Moly Alloy Steel | Chromium, molybdenum and controlled carbon chemistry | Good elevated-temperature performance | Refinery equipment, pressure vessels and thermal systems |
| A387 Gr 11 / Gr 12 | Chrome-Moly Pressure Vessel Steel | Chromium, molybdenum and grade-specific alloying additions | Reliable pressure and boiler quality performance | Boilers, vessels, heat exchangers and process equipment |
| A387 Gr 22 | High-Temperature Chrome-Moly Steel | Higher chromium and molybdenum compared with lower grades | Improved high-temperature and pressure resistance | Power plants, refineries, reactors and pressure equipment |
| A387 Gr 91 | Advanced High-Temperature Alloy Steel | Chromium, molybdenum, vanadium and strengthening elements | Strong creep and high-temperature pressure performance | Power plants, boilers, high-temperature vessels and critical parts |
Mechanical Properties
| Grade Group | Strength Level | Formability | Heat / Pressure Performance | Service Area |
|---|---|---|---|---|
| 16Mo3 | Good pressure vessel grade strength | Good fabrication performance with correct procedure | Good heat and pressure service performance | Boilers, heat exchangers and power equipment |
| A387 Gr 5 / Gr 9 | Grade-specific pressure service strength | Fabrication depends on grade and thickness | Good elevated-temperature resistance | Refinery, petrochemical and pressure vessel service |
| A387 Gr 11 / Gr 12 | Good boiler and pressure vessel strength | Good with proper forming and welding process | Reliable high-temperature service | Boilers, vessels and heat transfer equipment |
| A387 Gr 22 | Higher chrome-moly strength performance | Requires controlled welding practice | Improved high-temperature and pressure performance | Reactors, refineries and power plant components |
| A387 Gr 91 | High strength and creep-resistant performance | Requires strict fabrication and heat treatment control | Excellent high-temperature pressure service | Critical boilers, power plants and pressure equipment |
Alloy Steel Plates & Sheets Grades
Explore the complete Alloy Steel Plates & Sheets range supplied by SteelNix for boilers, pressure vessels, heat exchangers, refineries, petrochemical plants, power plants and high-temperature fabrication applications.
Alloy Steel 16Mo3 Plates & Sheets
Molybdenum alloy steel grade for boilers, heat exchangers and pressure equipment.
Ask PriceAlloy Steel A387 Gr 11 Plates & Sheets
Chrome-moly plate grade for pressure vessels, boilers and refinery equipment.
Ask PriceAlloy Steel A387 Gr 12 Plates & Sheets
Pressure vessel alloy steel grade for boiler and high-temperature service.
Ask PriceAlloy Steel A387 Gr 22 Plates & Sheets
Higher chrome-moly plate grade for reactors, refineries and pressure service.
Ask PriceAlloy Steel A387 Gr 5 Plates & Sheets
Chrome-moly alloy steel plate for elevated-temperature pressure equipment.
Ask PriceAlloy Steel A387 Gr 91 Plates & Sheets
Advanced high-temperature alloy plate for power plants and critical boilers.
Ask PriceAlloy Steel A387 Gr 9 Plates & Sheets
Alloy steel plate grade for pressure vessels and thermal service equipment.
Ask PriceApplications of Alloy Steel Plates & Sheets
Alloy Steel Plates & Sheets are selected for pressure service performance, high-temperature resistance, strength, weldability and long service life in demanding industrial environments.
Boilers & Pressure Vessels
Used in boiler shells, pressure vessels, process vessels and fabricated pressure equipment.
Heat Exchangers
Suitable for tube sheets, baffles, exchanger plates and heat transfer equipment.
Refinery Equipment
Applied in reactors, separators, vessels, columns and petrochemical plant equipment.
Power Plant Components
Used in high-temperature boilers, thermal systems and critical pressure parts.
Industries We Serve
SteelNix supports project buyers, stockists, EPC companies, boiler manufacturers, pressure vessel manufacturers, fabricators and maintenance teams with Alloy Steel Plates & Sheets.
Power Plants
Boiler plates, high-temperature vessels, pressure equipment and thermal components.
Oil & Gas
Refinery vessels, process equipment, reactors and pressure service components.
Petrochemical
Chemical process equipment, heat exchangers, tanks and fabrication projects.
Heavy Fabrication
Cut plates, vessel shells, industrial structures and high-temperature equipment parts.
Testing & Documents
SteelNix can arrange documentation and inspection support based on product grade, quantity, project specification and order terms.
MTC
Material Test Certificate can be provided for supplied Alloy Steel Plates & Sheets.
PMI Testing
Positive Material Identification can be arranged where required by the buyer.
Mechanical Testing
Tensile, impact, hardness and related testing support can be arranged as per requirement.
Third-Party Inspection
Third-party inspection support can be offered as applicable to order terms.
Frequently Asked Questions
Helpful answers for buyers searching for Alloy Steel Plates & Sheets from SteelNix.
Which Alloy Steel Plates & Sheets grades does SteelNix supply?
SteelNix supplies Alloy Steel 16Mo3, ASTM A387 Gr 5, ASTM A387 Gr 9, ASTM A387 Gr 11, ASTM A387 Gr 12, ASTM A387 Gr 22 and ASTM A387 Gr 91 plates and sheets.
What are Alloy Steel Plates & Sheets used for?
Alloy Steel Plates & Sheets are used for boilers, pressure vessels, heat exchangers, refineries, petrochemical equipment, power plants, high-temperature equipment, fabrication and pressure service components.
What is ASTM A387 alloy steel plate?
ASTM A387 is a chrome-moly alloy steel plate specification commonly used for pressure vessels, boilers and elevated-temperature service applications.
Which alloy steel plate grades are suitable for high-temperature service?
A387 Gr 11, Gr 12, Gr 22, Gr 91 and 16Mo3 are commonly selected for boiler, heat exchanger, pressure vessel and high-temperature service. Final grade selection should follow the project specification.
What is 16Mo3 plate used for?
16Mo3 plates are commonly used in boilers, pressure vessels, heat exchangers and power plant equipment where heat resistance and pressure service performance are required.
Can SteelNix provide Material Test Certificates?
Yes, Material Test Certificates and inspection documents can be provided as per order terms, product availability and customer requirements.
How can I get a price for Alloy Steel Plates & Sheets?
To receive a quotation, share the grade, thickness, width, length, finish, quantity, standard, delivery location and any inspection or documentation requirement.
Need Alloy Steel Plates & Sheets?
Share your required grade, thickness, width, length, finish, quantity, standard and delivery location. SteelNix will help you with material availability, pricing and technical support.