Oil&Gas Pipeline Reinforcement Wire Mesh:

Oil & Gas Pipeline Reinforcement Wire Mesh , also known as concrete weight coated mesh, is a specialized welded wire mesh made from low carbon steel wires. The line wires are deeply crimped and then welded into a corrugated structure, allowing for easy application of concrete coating, after which the mesh can be embedded underwater or underground. This product is primarily used for reinforcing, weighting and protecting subsea oil and gas pipelines. It effectively resists corrosion and pressure in marine environments, thereby extending pipeline lifespan.

This welded wire mesh is made of low carbon steel with a galvanized surface finish, available in eigter cold-galvanized or hot dipped galvanized options,and complies with ASTM standards. Itd stable structure and superior corrosion resistance effectively prevent damage to concrete weight-coated pipelines during and after installation.

Technical Parameter:

Material: Q235 low carbon steel wire
Surfacetreatment: Hot dipped galvanized
Amount of Zinc: up to 300 g/㎡
Wire Diameter: 1.6-2.85mm
Roll Length: 110-295m
Line Wire Quantity: 6, 8,10
Middle Line Wire Pitch: 25.4mm
Both sides line wire pitch: 25.4mm or 50.8mm
Cross wire pitch: 67mm or 92.4mm
Implementation standards: GB/T 701, ASTMA641, GB/T1499 3, GB/T228, GB/T 238, ASTM A370, ASTM A810, ASTM A185, ASTM A82,ASTM A1064
Optional models: SJ-I ,SJ-II, SJ-III , SJ-IV

Oil & Gas Pipeline Reinforcement Wire Mesh Specifications
Item	Line Wire Quantity	Line Wire Wire Diameter (mm)	Cross Wire Wire Diameter (mm)	Middle Line Wire Pitch (mm)	Both Sides Line Wire Pitch(mm)	Cross Wire Pitch (mm)	Mesh Width (mm)	Roll Length (m)	Exposed Wire Edge (mm)
SJ - I	6	2.3/2.5/2.6/ 2.85	2/2.05	25.4	50.8	67	190.5	110-295	≤2.5
SJ - II	8				25.4	67	190.5
S J- III	8				25.4	92.4	190.5
SJ - IV	10				25.4	67	241.3

Competitive Advantages:

1, High tensile strength: Manufactured from high-strength steel wires, it withstands the stress and pressure during pipeline construction, ensuring pipeline stability and durability.
2, Corrosion and rust prevention: Following galvanization, the welded wire mesh exhibits excellent corrsion and rust prevention properties, effectively mitigating corrosion and damage to subsea pipelines.
3, Significant structural reinforcement effect: The corrugated structure provides superior concrete adhesion, enhancing the pipeline’s structural integrity and preventing inssures such as cracks or leaks caused by external forces.
4, Easy to install: This welded wire mesh features a simple design and is easy to install, quickly provinding reinforcement and protection for pipelines, thereby saving construction time and costs.
5, High cost-effectiveness: Compared to traditional pipeline reinforcement methods(such as concrete or rebar reinforcement), offshore pipeline counterweight welded wire mesh offers a more cost-effective solution suitable for long-term use.
6, Strong weatherability:  The product can withstand harsh marine environments, including extreme temperatures and severe weather, ensuring the long-term stable operation of pipelines
7, Neat appearance: The weled wire mesh has a neat and regular appearance with secure weld points, facilitating transportation and stacking, and maintaining a good appearanceafter installation.

Application:

Offshore pipeline counterweight welded wire mesh is commonly used in a variety of pipeline applications, including:
Subsea oil and gas pipelines: Used for reinforcement of subsea natural gas and oil pipelines, enhancing their overall strength and durability, ensuring stable operation in high-pressure, highly corrosive environments.
Wetland natural gas pipelines: Effectively resists erosion, corrosion, and wildlife damage, providing robust and reliable external protection for pipelines crossing wetland environments.
Riverbed oil and gas pipelines: Provides additional support, distributing the pipeline’s weight evenly across rivebeds or creek bottoms, thereby reducing the risk of disturbance and damage to the underwater ecosystem and structures.
Water supplyand sewage treatment pipelines: Suitable for water supply systems, sewage treatment plants, and desalination facilities, effectively preventing corrosion and extending the system’s service life.
Chemical process pipelines: In chemical plants, refineries, and petrochemical installations, counterweight mesh combined with concrete coating is used to resist corrosive media erosion and ensure operational safety.
Mining and ore conveying pipelines: Suitable for the reinforcement and protection of conveying pipelines in mining areas, significantly enhancing their corrosion resistance and durability under complex operating conditions.