SA-213-TP321H

Seamless ferritic and austenitic alloy steel boiler, superheater, and heat exchanger tubes.

Chemical Properties:

Carbon: 0.04-0.10 Silicon: 0.75 max.
Manganese: 2.00 Nickel: 9.00-13.0
Potassium: 0.04 Chromium: 17.0-20.0
Sulfur: 0.03 Molybdenum: n/a

Mechanical Properties:

Tensile Strength:

ksi: 75

MPa: 517

Elongation in 2in. or 50mm, min. %: 35

Max. Hardness Rockwell B: 90

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