ALLOY STUD BOLT & NUT

HIGH-TEMPERATURE HIGH-TENSION ALLOY BOLT MATERIAL (Chemical & Mechanical Requirement)
ASTM A 193 B7 (Cr-Mo AISI 4140, 4142, 4145)
ASTM A 193 B7M (Cr-Mo AISI 4140, 4142, 4145)
ASTM A 193 B16 (Cr-Mo-V)