
A217 WC6 vs WC9 – High Pressure & Temperature Solutions
1. Introduction A217 cast steels WC6 and WC9 (industry shorthand for the 1¼Cr–½Mo and 2¼Cr–1Mo cast grades, ayon sa pagkakabanggit) are purpose-designed low-alloy Cr–Mo steels for pressure-retaining components in elevated-temperature service. WC6













