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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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HS Premium Connection,Non API OCTG,Pipe For Ship and vessel

Seamless Pipes for Cryogenic Applications: LNG and Liquid Hydrogen Transport

Date:2025-03-19

Cryogenic pipelines require ductile, impact-resistant seamless pipes to transport liquefied natural gas (LNG) and liquid hydrogen (-253°C).

Low-Temperature Steels: ASTM A333 Gr. 6, 9Ni Steel, and Austenitic 304/316L resist embrittlement at -196°C to -253°C.

Charpy Impact Testing: Ensures fracture toughness under extreme cold conditions.

Weld Seam Elimination: Seamless construction reduces brittle fracture risk in cryogenic storage and transfer pipelines.

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