Zeron 100 FG 12-point flange screws are super duplex stainless steel fasteners (UNS S32760) in FG cold-worked supply state per NAS 1351 / NASM 1351. The 12-point bi-hex pattern provides high torque envelope for downhole completion-tool bolting, ROV-installable high-pressure connectors, high-cycle pump casings, aerospace flange bolting on titanium-housing equipment under cyclic high preload + sour-service.
FG cold-worked + 12-point internal-drive flange head · Yield 700-800 MPa · A193 B7-equivalent
Yield 700-800 MPa / Hardness 24-28 HRC NACE-controlled. Standards: NAS 1351 + NASM 1351 + ASTM A1082 + ASTM A276 Condition S + NACE MR0175 + API 6A / 17D.
FG cornerstone · All 12-point supply states · SA · FLT. RFQ: info@torqbolt.com / +91-22-66157017 / WhatsApp.
