We Super Steel Manufacturing Co.,Ltd(SMC) are amongst the top manufacturers and suppliers for the seamless steel pipe, welded steel pipe, OCTG products and fittings from China. We have been manufacturing and supplying these products to the industry since 1993, and received repeat orders and appreciation from our valued customers.
High quality piping products from approved manufacturers.
In order to continuously improve our offerings to our clients, we have consistently improved and upgraded our manufacturing facility and can hence offer material with stringent requirements.
Over the years, Super Steel Manufacturing Co.,Ltd(SMC) has developed an enviable reputation for project management for the Oil & Gas, Construction, Power Energy, Marine & Offshore, Water Treatment, Exploration & Drilling Services, Pipeline & Petrochemical and other heavy industries.
The many years of experience that we have means that there is always someone who has the ability to carry a project forward.
Always up to date. In this column you can find the steel pipe related articles, including industry trends, product standards and materials, and some technical guidelines.
In the world of high-temperature and high-pressure applications, ASTM A387 Grade 9 alloy steel plates stand out as a trusted choice for engineers and fabricators. Designed for use in welded boilers and pressure vessels, these chrome-moly steel plates offer excellent resistance to heat and corrosion, making them ideal for environments where elevated temperatures and harsh media are the norm. Whether used in power generation, petrochemical plants, or refinery systems, Grade 9 plates deliver consistent performance and structural reliability.
In this blog, we’ll explore the key details of ASTM A387 Grade 9 plates.
Super Steel Manufacturing Co.,Ltd is professional steel plate manufacturer, for more details, please contact:sales@super-steels.com
Equivalents for ASTM A387 Grade 9 Alloy Steel Plates
|
BS |
EN |
ASME |
DIN |
|
... |
... |
A387-9-2 |
... |
Specifications for ASTM A387 Grade 9 Alloy Steel Plates
Chromium & Molybdenum content (according to the ASME specification)
|
Designation |
Nominal Chromium |
Nominal Molybdenum |
|
A387 Grade 9 |
9.00% |
1.00% |
Tensile Requirements for ASTM A387 Grade 9 Alloy Steel Plates Class 2 Plates
|
Designation: |
Requirement: |
Grade 9 |
|
A387 Grade 9 |
Tensile strength, ksi [MPA] |
75 to 100 [515 to 690] |
|
|
Yield strength, min, ksi [MPa]/(0.2% offset) |
45 [310] |
|
|
Elongation in 8 in. [200mm], min % |
... |
|
|
Elongation in 2 in. [50mm], min, % |
18 |
|
|
Reduction of area, min % |
45 (measured on round test specimens) |
Chemical Requirements for ASTM A387 Grade 9 Alloy Steel Plates
|
Element |
|
Chemical Composition (%) |
|
|
|
A387 Grade 9 |
|
Carbon: |
Heat Analysis: |
0.15 max |
|
|
Product Analysis: |
0.15 max |
|
Manganese: |
Heat Analysis: |
0.30 - 0.60 |
|
|
Product Analysis: |
0.25 - 0.66 |
|
Phosphorus: |
Heat Analysis: |
0.030 |
|
|
Product Analysis: |
0.030 |
|
Sulphur (max): |
Heat Analysis: |
0.030 |
|
|
Product Analysis: |
0.030 |
|
Silicon: |
Heat Analysis: |
1.00 max |
|
|
Product Analysis: |
1.05 max |
|
Chromium: |
Heat Analysis: |
8.00 - 10.00 |
|
|
Product Analysis: |
7.90 - 10.10 |
|
Molybdenum: |
Heat Analysis: |
0.90 - 1.10 |
|
|
Product Analysis: |
0.85 - 1.15 |
|
Vanadium: |
Heat Analysis: |
0.04 max |
|
|
Product Analysis: |
0.05 max |
Mechanical Properties of ASTM A387 Grade 9 Alloy Steel Plates
|
Tensile Strength |
Yield Strength |
Elongation in 50mm (%) |
Reduction of area in % |
|
75-100 ksi, 515-690 MPa |
45 Ksi, 310 MPa |
18 |
45 |
Destructive and Non-Destructive Testing for ASTM A387 Grade 9 Alloy Steel Plates
Mechanical examining like tensile, Elongation
and reduction of area.
Chemical examination-Spectro analysis
Impact analysis
Hydrostatic analysis
Positive material recognition
X-ray test
Firmness test
English
Español
Français
بالعربية
