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ASTM A387 Grade 91

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Standards

Chemical composition

Element Weight %
Fe 87.3399 — 90.2999
Cr 8.0 — 9.5
Mo 0.85 — 1.05
Mn 0.3 — 0.6
Si 0.2 — 0.5
Ni 0.0 — 0.4
V 0.18 — 0.25
C 0.08 — 0.12
Nb 0.06 — 0.1
N 0.03 — 0.07
Al 0.0 — 0.04
P 0.0 — 0.02
S 0.0 — 0.01

Properties

Mechanical

Tensile strength [ Rm ]

0—760.00 MPa

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Metalinfo, Eagle International Software
This material data has been provided by Metalinfo, Eagle International Software

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