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Inconel 625 Pipe
As a leading Chinese Inconel alloy supplier, Ronsco manufactures and produces different sizes of Inconel Alloy 625 pipes. INCONEL® nickel-chromium alloy 625 (UNS N06625 / W.Nr. 2.4856) is used for its high strength, excellent fabricability (including joining), and outstanding corrosion resistance. Service temperatures range from cryogenic to 1800°F (982°C).
Descriptions

Inconel Alloy 625 Seamless Pipes

Size: 4 - 219mm

Thickness : 0.5 - 20mm

Length: Single, Double Random & Cut Length

 

UNS N06625 Welded Pipes

Size: 5.0 - 1219.2 mm

Thickness : 0.5 - 20mm

Length: Single, Double Random & Cut Length

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Product Pictures
  • Inconel 625 Pipe
  • Inconel 625 Pipe
  • Inconel 625 Pipe
  • Inconel 625 Pipe
Dimensions and Tolerance

Equivalent Grade

STANDARD

WERKSTOFF NR.

UNS

JIS

BS

GOST

AFNOR

EN

Inconel 625

2.4856

N06625

NCF 625

NA 21

ХН75МБТЮ

NC22DNB4M

NiCr22Mo9Nb

 

Chemcial Composition

Element

Ni

C

Mn

Co

Si

Cr2

Fe

Al

Ti

Nb+Ta

Mo

P

S

Inconel 625

58.0 min

0.10 max

0.50 max

1.0 max

0.50 max

20.0-23.0

5.0 max

0.40 max

0.40 max

3.15–4.15

8.0-10.0

0.015 max

0.015 max

 

Nickel Alloy 625 Pipe and Tubing

 

Sizes

 

Standard Tolerances

Products

OD

Wall

Lengths and/or coils

Grades

OD

Wall

Lengths

Pressure & Corrosion Tubing

Meets or exceeds requirements for welded

Specifications: ASTM-B704, ASME-SB704, ASTM-B705, ASME-SB705

1/16" (1.59 mm) to 4" (101.6 mm)

Metric sizes available

0.010" (0.25 mm) to 0.220" (5.59 mm)

Random or cut lengths up to 40' (12.9 m)

Coils to 1-1/2" OD

625

<5/8" (15.9 mm) ±0.005" (0.127 mm)

5/8" to 1-1/2" ±0.007"

>1-1/2" (38.1 mm) to 3" (76.2 mm) ±0.010" (0.25 mm)

>3" (76.2 mm) to 4" (101.6 mm) ±0.015" (0.38 mm)

±15% ±12.5%

Randoms up to +2" (50.8 mm)

Cuts +1/8" (3 mm) -0"

Coils to 80,000' (24,384 m)

 

Physical Properties of Nickel Alloy 625 in the Annealed Condition at -20°F to +100°F

 

 

 

Tensile Strength

Yield Strength

 

 

 

 

 

 

Alloy

UNS Desig-nation

Spec.

psi

MPa

ksi

psi

MPa

ksi

Elongation in 2 in. (min.) %

Grain Size Req.

Max. Hard-ness

Modulus of Elasticity (x106 psi)

Mean Coefficient of Thermal Expansion (IN./IN./°F x 10-6)

Thermal Conductivity (BTU-in/ ft2-h-°F)

625, GR 1 (Annealed)

N06625

B704,
B705

120,000

827

120

60,000

414

60

30

—

—

30.0

7.1

68

625, GR 2 (Solution Annealed)

N06625

B704,
B705

100,000

690

100

40,000

276

40

30

—

—

30.0

7.1

68

 

Applicable Specifications and Standards: Inconel 625 tubing is produced according to a variety of industry specifications and standards, including:

  • ASTM B444/B444M – Standard Specification for Nickel-Chromium-Molybdenum-Columbium Alloys (UNS N06625 and UNS N06852) and Nickel-Chromium-Molybdenum-Silicon Alloy (UNS N06219) Pipe and Tube
  • ASME SB444 – Specification for Nickel-Chromium-Molybdenum-Columbium Alloys (UNS N06625 and UNS N06852) and Nickel-Chromium-Molybdenum-Silicon Alloy (UNS N06219) Seamless Pipe and Tube
  • NACE MR0175 – Petroleum and natural gas industries – Materials for use in H2S-containing environments in oil and gas production
  • PED 97/23/EC – Pressure Equipment Directive
  • ISO 9001:2015 – Quality management systems

 

Applications: Inconel 625 tubing is used in a wide range of applications that require high strength, corrosion resistance, and temperature resistance. Some common applications include:

  • Aerospace and aircraft components, such as engine exhaust systems and turbine components
  • Chemical processing equipment, such as reactor vessels and heat exchangers
  • Oil and gas industry equipment, such as downhole tubing and wellhead components
  • Marine applications, such as offshore drilling equipment and seawater desalination systems
  • Nuclear power generation components, such as steam generator tubing and reactor core components.
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