The workpieces used for the tests were made of AISI 4340 steel, quenched and tempered, with a hardness of approximately 58 HRc and ... with an external diameter of 350 mm and a thickness of 19 mm.

Roula Khalaf, Editor of the FT, selects her favourite stories in this weekly newsletter. The UK government has intervened to take control of British Steel after Jingye, the company’s Chinese ...

We decided to test these findings by looking at labor productivity in the U.S. steel industry since President Trump imposed 25 percent tariffs on steel imports in March 2018. The results are striking.

Here are nine charts that put the metal trade between the U.S. and Canada in perspective. Like a lot of Canadian products, the vast majority of steel and aluminum exports go to the U.S. Just how ...

US President Donald Trump’s decision to impose a flat 25% tariff on all steel and aluminium imports (likely effective 12 March) has raised fears of a global backlash and trade war. While the ...

After quench samples were characterized by optical and scanning electron microscopy, hardness ... steel after quenching, however, the suitability of all factors is important to achieve the desired ...

forged steel H-beam connecting rods, a forged 4340 steel crankshaft, and a billet steel hydraulic roller camshaft. The 632 cubic inches come from the engine's 4.600-inch diameter cylinders and a 4 ...

Thermal coal and steel account for around 60%–70% of revenues and production volumes of 7 billion tonnes and 2 billion tonnes respectively are more than 30 times higher than all other metals and ...

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