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AISI 4330 V MODIFIED Bar

Alternative and trade names
EN 1.6562, ASTM 4330V
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Description

AISI 4330 V is a chromium, nickel, molybdenum, vanadium high strength low alloyed steel suitable for downhole tools and drilling jars. It offers improved hardenability and the ability to achieve higher tensile strengths and impact.

Related Standards

Properties

Dimension

Diameter d

105 - 260 mm

Mechanical

Elongation A

15 % at 20 °C

Hardness, Brinell HB

341 - 388 [-] at 20 °C

Impact strength, Charpy notched Ivnot

32 kJ/m² at -20 °C

Tensile strength Rm

1138 MPa at 20 °C

Yield strength Rp0.2 Rp0.2

1034 MPa at 20 °C

Chemical properties

Element

Weight %

Comment

Ni

1.65 - 2 %

Mn

0.75 - 1 %

Cr

0.7 - 0.95 %

Mo

0.35 - 0.5 %

C

0.28 - 0.33 %

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Technological properties

Processing history

Hardened at 840 to 870°C and tempered at 600°C.

Welding

Better than AISI 4145, but still challenging.

This material data has been provided by Sverdrup Steel.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.