AISI A387 Grade 9-PVQ Alloy Steel (UNS S50400)

Topics Covered

Introduction
Chemical Composition
Physical Properties
Mechanical Properties
Other Designations

Introduction

Alloy steels are designated by AISI four-digit numbers and are more susceptible to heat and mechanical treatments than carbon steels. They comprise different kinds of steels having compositions which exceed the limitations of Va, Cr, Si, Ni, Mo, C and B in the carbon steels.

The following datasheet will give an overview of AISI A387 grade 9-PVQ alloy steel.

Chemical Composition

The chemical composition of AISI A387 grade 9-PVQ alloy steel is listed in the following table.

Element Content (%)
Iron, Fe
Balance
Chromium, Cr 8 – 10
Molybdenum, Mo 0.90 - 1.10
Silicon, Si 1
Manganese, Mn 0.30 - 0.60
Carbon, C 0.15
Phosphorous, P 0.03
Sulfur, S 0.03

Physical Properties

The following table shows the physical properties of AISI A387 grade 9-PVQ alloy steel.

Properties Metric Imperial
Density 7.7 – 8.03 g/cm3 0.278 – 0.290 lb/in³

Mechanical Properties

The mechanical properties of AISI A387 grade 9-PVQ alloy steel are outlined in the following table.

Properties Metric Imperial
Elastic modulus 190-210 GPa 27557-30458 ksi
Poisson's ratio 0.27-0.30 0.27-0.30

Other Designations

An equivalent material to AISI A387 grade 9-PVQ alloy steel includes DIN 1.7386.

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