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Direct Quenching Process for Precision Cold Rolled Small Diameter Seamless Steel Pipe
High alloy steel precision small diameter seamless steel pipe almost does not use direct quenching process; When the quantity of retained austenite is strictly required, the low alloy steel will not be directly quenched. A typical problem is the appearance of ripples on the surface of a precision...Read more -
Interpretation Of Global Crude Steel Production In June And Expectation In July
According to the world iron and Steel Association (WSA), the crude steel output of 64 major steel producing countries in the world in June 2022 was 158 million tons, down 6.1% month on month and 5.9% year-on-year in June last year. From January to June, the cumulative gl...Read more