What is equivalent to ASTM A240?
If you are involved in sourcing or using stainless steel plates and sheets, ASTM A240 is one of the most important standards you will encounter. It defines the chemical composition and mechanical properties for a wide range of stainless steel grades used in many industries.
This article answers common questions about ASTM A240 to help you better understand its applications, equivalents, and related materials.
What is Equivalent to ASTM A240?
ASTM A240 stainless steel plates and sheets correspond closely to several international standards, including:
EN 10088-2 (European standard), e.g., X5CrNi18-10 (304), X5CrNiMo17-12-2 (316)
JIS G4303 (Japanese Industrial Standard), e.g., SUS304, SUS316
GB/T 4237 (Chinese standard), e.g., 0Cr18Ni9 (304), 0Cr17Ni12Mo2 (316)
These equivalents help global buyers find compatible materials meeting ASTM A240 requirements.
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What is the Difference Between ASTM A240 and SS304?
ASTM A240 is a material specification that defines the chemical and mechanical properties for various stainless steel grades, including 304.
SS304 (or simply 304 stainless steel) is a specific grade of stainless steel covered under ASTM A240.
In short, ASTM A240 is the standard, while 304 is one of the grades within that standard.
What is ASTM A240 TP316?
316 stainless steel per ASTM A240 is an austenitic stainless steel grade with added molybdenum (2–3%) for enhanced corrosion resistance, especially against chlorides and industrial chemicals. It is widely used in marine, chemical processing, and food industries
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What is the Difference Between ASTM A240 and ASTM A182?
ASTM A240 covers stainless steel plates, sheets, and strips primarily for corrosion resistance and structural applications.
ASTM A182 covers forged or rolled alloy and stainless steel pipe flanges, fittings, and valves for high-temperature and pressure applications.
Essentially, A240 is for flat products, while A182 focuses on forged components for piping systems.
What is the Price of ASTM A240 Stainless Steel?
The price of ASTM A240 stainless steel typically ranges from $2.50 to $4.50 per pound for common grades like 304 and 316, depending on factors such as thickness, surface finish, order quantity, and current market conditions; for example, thicker 316 grade sheets with a No. 4 finish usually cost more due to higher nickel content and processing requirements.
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