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The world's strongest ultra-deep water drilling platform—Blue Whale One

Chinese first state-owned deep-water gas field——Linshui17-2 gas field

The world's longest sea-crossing bridge——Hongkong-Zhu hai-Macao Bridge

The first deep well on land in Asia——Luntan Well One

The world's first R-55D type of self-elevating drilling platform

The most challenging drilling conditions' oilfield——Tarim field

The biggest earth pressure balance shield in the world

The world's biggest convention and exhibition center——Shenzhen international Convention and Exhibition Center

The world's highest coal machine hydraulic support

The world's best all-terrain crane——Jiuqiao all-terrain crane with biggest lifting capacity of 1E00 tons

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Pipe For Ship and vessel,Crane Boom Pipe,Pipe for Gas Cylinder

Seamless Pipes for Ultra-High Temperature Applications

Date:2025-03-11

Seamless steel pipes in boilers, heat exchangers, and petrochemical reactors must withstand extreme temperatures and thermal cycling.

Creep-Resistant Alloys: T91, P92, and Incoloy 800H maintain mechanical integrity at 650°C+.

Controlled Grain Size: Normalized and tempered structures prevent thermal fatigue cracking in cyclic temperature conditions.

Oxidation & Carburization Resistance: Stainless grades like 321H, 347H, and ferritic-martensitic steels are used in steam pipelines and furnace tubing.

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