Overview of silicon nitride Si3N4 powder
Silicon nitride is known as Si3N4 powder, it's a super-hard substance, which has lubricity itself, and is resistant to wear and oxidation at high temperatures.
Silicon nitride is known as Si3N4 powder, it's a super-hard substance, which has lubricity itself, and is resistant to wear and oxidation at high temperatures.
Inconel 718 alloys is a precipitation-hardening nickel-iron-based superalloy containing niobium and molybdenum. Its microstructure is austenite and has excellent comprehensive properties.
Last week, the domestic scrap market is weak adjustment, merchants are cautious in receiving goods, inventory remains low, the arrival of steel slightly increased, but the weak demand for scrap is difficult to change, scrap market continues to mainta
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The first typhoon unit of the Hywind Tampen floating offshore wind project, which will provide partial power to the Snorre and Gullfaks offshore fields near Norway, has been lifted.
Eu foreign ministers meet in Brussels on May 16th. The meeting failed to agree on the sixth round of sanctions, including an oil embargo on Russia, because of objections from Hungary. Eu Foreign Policy
OPEC+, an oil producers' alliance led by Saudi Arabia and Russia, stuck to its original plan to increase output by just 432,000 b/d in June, continuing to defy calls from major consumers led by the United States to pump more oil to keep prices down.
The purchasing pace at the demand end of the international thermal coal market continues to slow down and the international thermal coal price continues to decline. Prices for thermal coal at major international ports continued to fall last week as b