ASTM B164 Alloy 400 Round Bar for Shafts and Valve Parts | N04400 Shaanxi Shangyou Stainless Steel Co., Ltd. supplies astm b164 alloy 400 round bar for shafts and valve parts | n04400 for buyers whose primary search intent is machined marine, pump and valve components, not generic stainless or nickel-alloy stock. The page should be quoted against the selected standard edition, the equipment or component drawing and the governing design code. Hot- or cold-worked Alloy 400