Monel Alloy What is the standard of stainless steel? Various stainless steel sizes contact us Products Monel alloy 400 Material Monel alloy 401 Material Monel alloy 404 Material Monel alloy 405 Material Monel alloy K500 Material Monel alloy 400 Material Monel alloy 401 Material Monel alloy 404 Material Monel alloy 405 Material Monel alloy K500 Material