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How to prevent corrosion of steel hull

How to prevent corrosion of steel hull

Rust is the collective enemy of various ships. The hull steel is exposed to air and sea water, if no measures are taken, it will soon be rusted and scrapped. Th

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In the fourth week of September, US crude steel production increased by 22.3% year-on-year

In the fourth week of September, US crude steel production increased by 22.3% year-on-year

According to the latest data of the American Iron and Steel Association, in the fourth week of September (as of the week of September 25), the crude steel outpu

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Chemical composition and mechanical properties of DNV E690 ship plate

Chemical composition and mechanical properties of DNV E690 ship plate

1. The meaning of DNV E690: DNV is the Norwegian Shipbuilding Agency certification, E is the grade of steel plate, which can be divided into A, D, E, etc. 690 m

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Q345qD steel for bridge engineering

Q345qD steel for bridge engineering

Q345qD steel generally refers to bridge steel plate. Bridge steel plate is a thick steel plate specially used for manufacturing bridge structural parts. It is m

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Performance introduction of Q345qD-Z25 bridge plate

Performance introduction of Q345qD-Z25 bridge plate

Q345qD is bridge steel. Q345qD can require Z-direction performance, Q345qD-Z15, Q345qD-Z25 and Q345qD-Z35. Q345qD bridge plate requires high strength, toughness

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One week overview of international steel market - September 10-17, 2021

One week overview of international steel market - September 10-17, 2021

As of September 17, 2021, the global steel benchmark price index (SHGSI) was 187.49 points, up 0.24 points from last week.Among them, China steel price index (S

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AH36-Z35 steel plate flaw detection and heat treatment process description

AH36-Z35 steel plate flaw detection and heat treatment process description

1. Non-destructive testing of AH36-Z35 steel plate:
Z-direction steel plates should be subjected to ultrasonic flaw detection, other AH36 steel plates can also

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U.S. hot-rolled coil prices continue to rise

U.S. hot-rolled coil prices continue to rise

Hot-rolled coil prices in the United States continued to rise this week, and some buyers were unwilling to purchase locally and began to increase their purchase

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High yield strength DH500 steel plate for offshore platform

High yield strength DH500 steel plate for offshore platform

1. DH500 steel plate is classified as ultra-high-strength ship and marine structural steel plate. Judging from the development of higher-strength ship plates in

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Ship plate price forecast next week

Ship plate price forecast next week

Affected by macroeconomic policies, the black futures fell after the sharp drop, and the spot market sentiment has been boosted. Coupled with the improvement of

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