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SA-285 Grade A, B, C

Overview

Applications for low / intermediate tensile strength requirements. SA-285 is designed for low pressure heaters, treaters, tanks and other low pressure PVQ applications.

Chemical Requirements

*Elements represented in percentage

Element Composition %
Grade A
Composition %
Grade B
Composition %
Grade C
Carbon, max 0.17 0.22 0.28
Manganese, max
Heat analysis 0.90 0.90 0.90
Product analysis 0.98 0.98 0.98
Phosphorus, max 0.025 0.025 0.025
Sulfur, max 0.025 0.025 0.025

Tensile Requirements

Grade A
ksi(MPa)
Grade B
ksi (MPa)
Grade C
ksi (MPa)
Tensile strength 45-65 (310-450) 50-70 (345-485) 55-75 (380-515)
Yield strength, min 24 (165) 27 (185) 30 (205)
Elongation in 8 in. or (200 mm), min, % 27 25 23
Elongation in 2 in. or (50 mm), min, % 30 28 27
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