ASME SA387 Alloy Steel Plates Manufacturers, Suppliers & Exporters

ASME SA387 alloy steel plates are chromium molybdenum pressure vessel steel plates for boilers, refineries, petrochemical facilities and heat exchangers operating at high temperatures. These alloy steel pressure vessel plates offer good corrosion resistance, strong tensile strength and superb heat resistance. We have stock availability of ASME SA 387 Grade 11 and Grade 22 Class 2 and Grade 91 Steel plates.

Introduction to ASME SA387 Alloy Steel Plates

We are one of the reputed providers and exporters of ASME SA387 alloy steel plates used in critical high temperature and pressure applications. These plates are made of superior chromium-molybdenum alloy steel to give excellent resistance to oxidation, corrosion and thermal stress.

ASME SA387 plates are used extensively in the oil & gas, petrochemical, power generating, fertilizer plants and pressure vessel manufacturing sectors. With their outstanding mechanical qualities and extended service life, they are suited for fabricators and EPC contractors across the world.

Our inventory includes:

  • ASME SA 387 Grade 11 Alloy Steel Plate
  • ASME SA 387 Grade 22 Class 2 Plates
  • ASME SA387 Grade 91 Steel Plate
  • Alloy Steel Pressure Vessel Plate
  • Chrome Moly Steel Plates

We supply plates in multiple thicknesses, dimensions, and custom specifications according to ASME, ASTM, and international standards.

astm-a387-chrome-moly-plate

Types of ASME SA387 Alloy Steel Plates

ASME SA 387 Grade 11 Alloy Steel Plate

ASME SA 387 Grade 11 alloy steel plates have chromium and molybdenum added to improve heat resistance and corrosion prevention. These plates are extensively utilized for pressure vessels, heat exchangers and boilers working at high temperatures.

Features

  • Excellent high-temperature strength
  • Good corrosion resistance
  • Superior weldability
  • Long service life

Applications

  • Refineries
  • Chemical processing plants
  • Thermal power plants
  • Pressure vessels

ASME SA 387 Grade 22 Class 2 Plates

Plates from ASME SA 387 Grade 22 Class 2 are often used to make pressure vessels that need to have better tensile strength and creep resistance. These plates work really well in places where sour gas and hydrogen are used.

Benefits

  • High creep resistance
  • Enhanced oxidation resistance
  • Excellent durability
  • Suitable for high-pressure systems

We are recognized among leading SA 387 Gr 22 plate suppliers in Texas and global industrial markets.

ASME SA387 Grade 91 Steel Plate

ASME SA387 Grade 91 steel plate is designed for extreme temperature and pressure environments. Grade 91 offers excellent creep strength and is commonly used in modern power generation plants.

Key Properties

  • Outstanding tensile strength
  • Excellent thermal fatigue resistance
  • High corrosion resistance
  • Ideal for elevated temperature service

Common Uses

  • Power plants
  • Superheaters
  • Steam piping systems
  • Heat recovery systems

We are trusted suppliers of ASME SA387 Gr 91 alloy steel plates for domestic and international industrial projects.

Applications of Alloy Steel Pressure Vessel Plate

Our alloy steel pressure vessel plate products are extensively used in:

  • Oil & Gas Industry
  • Petrochemical Plants
  • Pressure Vessel Manufacturing
  • Boilers & Heat Exchangers
  • Offshore Platforms
  • Power Generation Plants
  • Chemical Processing Industry
  • Fertilizer Plants

These plates are preferred for high-pressure and high-temperature service due to their superior structural integrity.

ASME SA387 Plates
Alloy Steel ASME SA387 Plates

Schedule and Size Chart of ASTM A387 Alloy Sheets

Thickness (mm) Width (mm) Length (mm)
6 1000-3000 2000-12000
8 1000-3000 2000-12000
10 1000-3000 2000-12000
12 1000-3000 2000-12000
16 1000-3000 2000-12000
20 1000-3000 2000-12000
25 1000-3000 2000-12000
32 1000-3000 2000-12000
40 1000-3000 2000-12000

Mechanical Properties of ASME SA387 Alloy Steel Sheets

Grade Tensile Strength Yield Strength
Grade 11 415 – 585 MPa 240 MPa
Grade 22 515 – 690 MPa 310 MPa
Grade 91 585 – 760 MPa 415 MPa

Specifications Chart of ASME SA387 Grade 91 Steel Plate

Specification Details
Standard ASME SA387 / ASTM A387
Width 1000 mm – 3500 mm
Thickness 5 mm – 150 mm
Length Up to 12 meters
Form Plate, Sheet, Coil
Surface Finish Hot Rolled

Chemical Composition of ASME SA387 Alloy Steel Plates

Grade Chromium (%) Molybdenum (%)
Grade 11 1.00 – 1.50 0.45 – 0.65
Grade 22 2.00 – 2.50 0.90 – 1.10
Grade 91 8.00 – 9.50 0.85 – 1.05

Physical Properties Chart of ASME SA 387 Grade 11 Alloy Steel Plate

Property Value
Density 7.85 g/cm³
Melting Point 1370-1400 °C
Thermal Conductivity 37.7 W/m-K at 100°C
Specific Heat 0.46 J/g-°C
Modulus of Elasticity 210 GPa
Electrical Resistivity 0.8 µΩ-m at 20°C

Why Choose Us for ASME SA387 Alloy Steel Plates?

We focus on delivering high-quality plates that meet global industrial standards and project requirements.

Our Advantages

  • Ready stock of ASME SA387 plates
  • Custom cutting and processing
  • Third-party inspection available
  • Worldwide export capability
  • Competitive pricing
  • Fast delivery schedules
  • Mill test certificates provided

As experienced ASME SA387 alloy steel plates manufacturers in USA and global supply partners, we ensure reliable quality and timely service.

Looking for ASME SA387 Alloy Steel Plates?

We supply high-quality ASME SA387 Grade 11, Grade 22 Class 2, and Grade 91 alloy steel plates for industrial applications worldwide. Contact us today for pricing, stock availability, technical support, and customized requirements.

Global Reach

ASC LLP boasts a robust global presence, committed to delivering unparalleled service and quality to clients around the world. Our dedication to prompt delivery and exceptional customer care sets us apart in the industry. Major corporations across the USA, Europe, Asia, and other regions place their trust in our high-quality ASME SA387 Alloy Steel Plates. This widespread trust underscores our reputation for reliability and excellence. By consistently meeting and exceeding the expectations of our international clientele, we continue to solidify our position as a leader in the global steel market.

Metal-globe

Countries We Export To

UNITED STATES, EUROPE, UK, UAE, SAUDI ARABIA, OMAN, KUWAIT, JORDAN, QATAR, INDONESIA, MALAYSIA, BRAZIL, SPAIN, ITALY, FRANCE, GERMANY, BAHRAIN, SRI LANKA, AZERBAIJAN, AUSTRALIA, AUSTRIA, PHILIPPINES, TURKEY, RUSSIA, IRAN, IRAQ, CANADA, KOREA, JAPAN, YEMEN, FINLAND, ZIMBABWE, HUNGARY, PORTUGAL, VIETNAM, MOROCCO, THAILAND, SOUTH AFRICA, MEXICO, SINGAPORE, GREECE, KUWAIT, POLAND, NEW ZEALAND, SWEDEN, SWITZERLAND, BELGIUM, BHUTAN, BANGLADESH, TAIWAN, ROMANIA, CAMBODIA, KAZAKHSTAN, AFGHANISTAN.

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