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Description:

Nickel matrix, can resistant corrosion in some medium, called the nickel-based corrosion resistant alloy.

The main alloying elements of nickel-based alloys are copper、chromium and molybdenum. It has a good overall

performance, resistance to various acid corrosion and stress corrosion. The first application (1905 US production) is

a nickel-copper (Ni-Cu) alloy, also known as Monel (Monel alloy Ni70Cu30). There are also nickel-chromium (Ni-Cr)

alloys (nickel-based heat-resistant alloy), nickel-molybdenum (Ni-Mo) alloys (mainly refers Hastelloy B series), nickel

chromium-molybdenum (Ni-Cr-Mo) alloys (mainly refers Hastelloy C series) and the like. At the same time, pure nickel

is a typical representative of nickel based corrosion resistant alloys. These nickel-based corrosion resistant alloy is

mainly used in the manufacture of petroleum, chemical, power and other corrosion-resistant components of the

environment.


Application:

● Subsea Pipeline

● Offshore Oil & Gas pipeline

● Onshore Oil & Gas pipeline

● Oil Refining & Petrochemical pipeline

● Power Plant pipeline

● Environmental Protection & Sewage Treatment


Specification:

● Outer Diameter(mm): 20~1420

● Wall thickness(mm): Outer backing pipe 2.5~50; Liner steel pipe 0.25~7

● Composite Standard: API-5LD; DNV-OS-F101; DEP 31.40.20.32; CJ/T192;

● Packing: In bulk or according to customers’ requirements

The gripping force(σy) between the lining and the backing steel

Thicknessofthelining /mm

The gripping force(σy) /MPaG

Remark

≥3.0

≥150


2.0~3.0

≥90


1.0~2.0

≥60


<1.0

——

Untested

One of the indirect methods to measure the interface bond strength is the interlaminar shear strength test.

Shear Strength of Total Cross Section

D≤600 mm

P=F/(πDH)=F/(πD(H1-H2)),H is about 30 or 50 mm

Diameter

D

Shear Strength of Total Cross Section

P

Remark

mm

323.9~559

≥1.0 MPa

Thickness of the lining shall be a minimum of 1.0mm


inch

12.75~22.00

≥145 psi


mm

168.3~323.9

≥2.0 MPa


inch

6.625~12.75

≥290 psi


mm

≤168.3

≥3.0MPa


inch

≤6.625'

≥435 psi


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