About products and suppliers
209 api casing specifications products are offered for sale by suppliers on Alibaba.com, of which seamless steel pipes accounts for 48%, mining machine parts accounts for 19%, and other steel pipes accounts for 12%.
A wide variety of api casing specifications options are available to you, such as structure pipe, fluid pipe and oil pipe.You can also choose from astm, gb and din api casing specifications,As well as from round, rectangular api casing specifications,and whether api casing specifications is non-alloy, or is alloy.