MaTestLab > Test Standards > ASTM A240 Standard Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels
ASTM A240 Standard Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels
ASTM A240 specification covers stainless steel plates, sheets, and strips made of chromium, chromium-nickel, and chromium-manganese-nickel for pressure vessels and other general applications. ASTM A240 offers guidelines for the mechanical properties, surface finishes, dimensions, and testing requirements of stainless steel materials. Per ASTM A240, steel samples shall conform to chemical composition requirements and specified mechanical properties.
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Introduction to ASTM A240
The ASTM A240 standard offers guidelines for the mechanical properties, surface finishes, dimensions, and testing requirements of stainless steel materials, making it an invaluable tool for manufacturers, engineers, and users when choosing and specifying stainless-steel products for pressure vessels and other general applications.
ASTM A240 specification covers stainless steel plates, sheets, and strips made of chromium, chromium-nickel, and chromium-manganese-nickel for pressure vessels and other general applications. MaTestLab offers best material testing services in the USA and other parts of the world.
ASTM A240 Test Procedure
Specimen Selection
The required grade of stainless steel for testing is identified, and representative samples in the form of plates, sheets, or strips are obtained. These samples are ensured to be large, and representative of the material being tested.
Test Setup and Execution
In chemical composition analysis, key elements like chromium and nickel are determined using spectrometry or wet chemical analysis methods. Tensile strength, yield strength, elongation, and hardness in stainless steel samples are measured using specialized equipment.
ASTM A240 Test Specimens
Specimen Details
ASTM A240 testing specimens are chromium and chromium-nickel stainless steel plates, sheets, or strips. The material grade is determined based on ASTM A240 requirements, including chemical composition, mechanical properties, and corrosion resistance for the intended application.
Specimen Dimensions
Thickness is a crucial parameter in ASTM A240, ranging from thin sheets to thicker plates. The specimen’s width and length can vary depending on testing and application, with specific requirements for minimum and maximum dimensions. Shape and form are typically rectangular.
ASTM A240 Test Results
Chemical composition analysis involves analyzing the percentage composition of key elements like chromium and nickel within the specified ranges for a specific stainless-steel grade. Other alloying elements traced within permissible limits, and impurities and unwanted elements must be removed. Mechanical property testing ensures tensile strength, yield strength, elongation, and hardness values fall within the prescribed range for the specific grade.
The values can be stated in either SI units or inch-pound units and should be regarded separately as standards. Each system should be used independently of each other.
Tests Related to ASTM A240Important tests relevant to ASTM A240 include ASTM A370 for Mechanical Testing of Steel Products, ASTM A480 (Specifications for General Requirements for Flat-Rolled Stainless and Heat-Resisting Steel Plate, Sheet, and Strip), and ASTM E112 (Test Methods for Determining Average Grain Size).
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Please contact us for a detailed quote for your astm a240 testing needs. Cost incurred to carry out different astm a240 testing methodology depends on the type of raw material; number of samples, coupons, or specimens; test conditions, turn around time etc. Costs of some ASTM testing methods start from $100 and the final value depends upon the factors listed above. Please contact us for the best and latest prices.
How many samples are required for astm a240?
The required number of samples or specimens should comply with the procedure given in the astm a240 standard. However, the MaTestLab operations team can assist you for your special requirements once you share your testing details with us.
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How many days will it take to complete the astm a240 test?
The turnaround time for astm a240 test methodology depends upon the test procedure mentioned in the standard test document. However, we at MaTestLab understand your research requirements and hence try to get your test completed within the least possible time.
Where can I get the astm a240 tested?
You can share your astm a240 testing requirements with MaTestLab. MaTestLab has a vast network of material testing laboratories, spread across the USA and Canada. We support your all material testing needs ranging from specific astm a240 test to various testing techniques.
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