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347 Stainless Steel Sheet & Coil

Properties

• General
• Chemical
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• Mechanical

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Stainless Steels Chromium-Nickel-Molybdenum

Types 321 (S32100), 347 (S34700)

Mechanical Properties

Room Temperature Tensile Properties

Minimum mechanical properties of the stabilized Types 321 and 347 chromium-nickel grades in the annealed condition (2000°F[1093°C], air cooled) are shown below.

Minimum Room Temperature Mechanical Properties Per, ASTM A240 and ASME SA-240

Property	Type 321	Type 347
Yield Strength, 0.2% Offset psi MPa	30,000 205	30,000 205
Ultimate Tensile Strength, psi MPa	75,000 515	75,000 515
Percent Elongation in 2 in. or 51 mm	40.0	40.0
Hardness, Max., Brinell (Plate) RB (Sheet & Strip)	217 95	201 92

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We stock only prime metals and alloys that are certified to AMS, MILS and ASTM specifications. Materials are ordered not by just gauge, but to precise decimal thickness.