ASTM A276 Stainless Steel Specification
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ASTM A276-06 Standard Specification for Stainless Steel Bars and Shapes.PDF
ASTM A276 stainless steel specification
In this article, we will explain what ASTM A276 means, review its chemical and mechanical requirements, compare it with ASTM A479, and look into the equivalent materials for A276 S31803.
What Does ASTM A276 Mean?
ASTM A276hot-finished or cold-finished stainless steel bars, excluding bars intended for forging, re-forging, or free-machining grades.
Key characteristics of ASTM A276:
structural, mechanical, and general-purpose
Excludes bars used in pressure vessel and heat exchanger applications (those are covered under ASTM A479)
Chemical Composition of ASTM A276 grade S31803 (UNS S31803)
ASTM A276 Grade S31803 (UNS S31803) is a duplex stainless steel with a typical chemical composition of 21–23% chromium, 4.5–6.5% nickel, 2.5–3.5% molybdenum, and 0.08–0.20% nitrogen.
Mechanical Properties of ASTM A276
ASTM A276 S31803 Bar has excellent mechanical properties with typical values including tensile strength Greater than or equal to 620 MPa, yield strength Greater than or equal to 450 MPa and elongation Greater than or equal to 25%, suitable for high strength and corrosion resistance industrial environments.
What Is A276 S31803 Material Equivalent To?
EN 1.4462 (X2CrNiMoN22-5-3)
UNS S32205
DIN X2CrNiMoN22-5-3
W.Nr. 1.4462
AFNOR Z2CND22.05Az
ISO 31803 Duplex
What Is the Difference Between ASTM A276 and A479?
| ASTM A276 | ASTM A479 | |
|---|---|---|
| As-finished or specified | Often solution-annealed | |
| Pressure and high-temperature use |
pressure-containing or high-temperature applications, ASTM A479
