ASTM A709/A709M HPS100W Grade Carbon and Low-alloy High-strength Steel Coil ASTM A709/A709M Grade 100W Carbon and Low-alloy High-strength Steel Coil ASTM A709/A709M Grade 100 Carbon and Low-alloy High-strength Steel Coil ASTM A709/A709M Grade HPS70W Carbon and Low-alloy High-strength Steel Coil ASTM A709/A709M Grade HPS50W Carbon and Low-alloy High-strength Steel Coil ASTM A709/A709M Grade 50W Carbon and Low-alloy High-strength Steel Coil ASTM A709/A709M Grade 50S Carbon and Low-alloy High-strength Steel Coil ASTM A709/A709M Grade 50 Carbon and Low-alloy High-strength Steel Coil ASTM A709/A709M Grade 36 Carbon and Low-alloy High-strength Steel Coil