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OCTG 7″ 32# 25CRW-125 VAM TOP HC R2/R3

This 7″ 32# 25CRW-125 VAM TOP HC R2/R3 casing is made from cold-worked Super Duplex 25CRW, a high-strength stainless steel developed for use in high-chloride and mildly sour (H₂S 40, it delivers excellent resistance to pitting, crevice corrosion, and localized attack in seawater, injection, and disposal wells. The VAM TOP HC connection enhances overall reliability with a high-compression, gas-tight seal, designed to maintain integrity under demanding downhole pressure and load conditions.

Available Quantity

9,475

FT

Condition

Unused

Mill Year

Manufacturer

Sumitomo

Location

Texas, USA

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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

7

in.

Nominal ID

6.094

in

Nominal Wall Thickness

0.453

in

Drift

5.969

in

Special Drift

6

in

Strength

Minimum Yield Strength

125

KSI

Minimum Ultimate Tensile Strength

135

KSI

Collapse Pressure

11,710

PSI

Internal / Burst Pressure

14,160

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

25CRW

Family

Duplex Stainless

Corrosion Resistance Level

Moderate

Alloy Description

Super Duplex 25 Chrome alloys, including 25CRW and 25CRS, are cold-hardened duplex stainless steels designed for corrosion resistance in sweet (CO2) and moderately sour (H2S) environments with high chloride concentrations, providing high strength up to 450°F.

The “Super” designation signifies a Pitting Resistance Equivalent Number (PREN) of ≥40, offering enhanced protection against H2S and localized corrosion from high chloride levels and/or oxygen, compared to standard 25 Chrome. As a result, these alloys are commonly used in tubing and liners for seawater and water injection wells. However, it is important to evaluate all relevant environmental factors, including H2S, CO2, temperature, pH, and chloride concentration, before finalizing material selection.

These alloys are classified under MR0175/ISO15156 as duplex stainless steels with a Pitting Resistance Equivalent Number (PREN) ≥40, suitable for environments with H2S partial pressures up to 3.0 psi.

Elemental Composition

C
6
Carbon
0.03%
N
7
Nitrogen
0.24%‒0.32%
Si
14
Silicon
0.8%
P
15
Phosphorus
0.03%
S
16
Sulfur
0.02%
Cr
24
Chromium
24%‒26%
Mn
25
Manganese
1%
Fe
26
Iron
57%‒65.56%
Ni
28
Nickel
6%‒8%
Cu
29
Copper
0.2%‒0.8%
Mo
42
Molybdenum
2.5%‒3.5%
W
74
Tungsten
1.5%‒2.5%

Name

VAM TOP HC

Licensee

VAM

Category

Premium

Thread Type

Threaded & Coupled

Description

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