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OCTG 3.5″ 9.2# G3-125 VAM TOP R2/R3

When failure isn’t an option, go with Alloy G3 (UNS N06985)—the elite choice for extreme sour service. This high-performance alloy stands up to H₂S, high chlorides, and brutal temps up to 400°F, delivering unmatched strength and corrosion resistance where others tap out. Fully MR0175/ISO15156 compliant and battle-tested in the toughest wells on earth.

Available Quantity

9,941

FT

Condition

Unused

Mill Year

Manufacturer

Special Metals Corporation

Location

Texas, USA

Submit Inquiry

What is PipeFacts?

Field Inspection

Completed!

Receiving Inspection

Completed!

Final Inspection

In Progress

Certified Report

Not Started

Receiving Inspection Complete!

During this phase of PipeFacts™, material is received into one of our regional storage and inspection hubs, and we put material through a more detailed inspection. Our teams of inspectors inspects the pipe body for traceability and potential body defects and inspects the threads while a quality team in the office evaluates the as produced specification of the material test reports (MTRs).

What is

Receiving Inspection

?

100%
  • Visual Body Inspection (VBI)
  • Tally
  • Traceability to MTRs
5%
  • Visual Thread Inspection
  • Drift

Size

Nominal OD

3.5

in.

Nominal ID

2.992

in

Nominal Wall Thickness

0.254

in

Drift

2.867

in

Special Drift

—

in

Strength

Minimum Yield Strength

125

KSI

Minimum Ultimate Tensile Strength

135

KSI

Collapse Pressure

14,890

PSI

Internal / Burst Pressure

15,880

PSI

Disclaimer: The burst and collapse figures displayed are based on the API dimension tolerance of 87.5% of nominal wall thickness. Note that martensitic, duplex, super duplex, and nickel alloys often have tighter dimensional tolerances, therefore, increased strength ratings. The properties do not factor connection performance ratings. If your application requires more information ratings, please contact our technical services team, and we happily assist you.

Alloy

G3

Family

Nickel Alloy

Corrosion Resistance Level

Severe

Alloy Description

Alloy G3 (UNS N06985) is a cold-hardened nickel-based alloy designed for corrosion resistance in highly sour (H2S) environments with high chloride levels, offering high strength up to 400°F.

With its elevated nickel and molybdenum content, G3 extends the sour service capabilities of nickel alloys, while also delivering exceptional resistance to chlorides and dissolved oxygen. As a result, it is frequently used in downhole tubular components, packers, and other subsurface equipment for severely sour wells operating under high-pressure, high-temperature (HPHT) conditions, saltwater injection wells, and Acid Gas Injection (AGI) wells. However, it is essential to evaluate all environmental factors, including H2S, CO2, temperature, pH, and chloride concentration, before finalizing material selection.

For sour service conditions, G3 is classified as a type 4d alloy in MR0175/ISO15156, with no restrictions on H2S partial pressure below 300°F and capable of withstanding 300 psi H2S at 425°F.

Elemental Composition

C
6
Carbon
0.015%
Si
14
Silicon
1%
P
15
Phosphorus
0.04%
S
16
Sulfur
0.03%
Cr
24
Chromium
21%‒23.5%
Mn
25
Manganese
1%
Fe
26
Iron
18%‒21%
Co
27
Cobalt
5%
Ni
28
Nickel
35.915%‒53.5%
Cu
29
Copper
1.5%‒2.5%
Nb
41
Niobium
0.5%
Mo
42
Molybdenum
6%‒8%
W
74
Tungsten
1.5%

Name

VAM TOP

Licensee

VAM

Category

Premium

Thread Type

Threaded & Coupled

Description

APPLICATIONS Suitable for any kind of application, even the most critical: Production casing Tubing Liner Tie-Back HP/HT​ Well design Screens

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