2014GB 3531-2014 Steel plates for low temperature pressure vessels
2008GB 3531-2008 Low alloy steel plates for low temperature pressure vessels
1996GB 3531-1996 Low alloy steel plates for low temperature pressure vessels
GB/T 3531-2014 Steel plates for low temperature pressure vessels was changed to GB/T 713.3-2023 Steel plates and strips for pressure equipment - Part 3: Low alloy steels with specified low temperature properties.