Professional Fastener Material Solutions We can discuss various special materials with different characteristics, such as lightweight, high strength, corrosion resistance, heat resistance, and low expansion coefficient. Oil&Gas Bolting materials A193 GR B7/B7M,A193 GRB16,A320 GRL7MA194 GR4, GR7Duplex 2507/Zeron 100Nitronic 50/60Monel 400/K500Inconel 825/925/ 800HT/718Titanium grade 2&5Bronze C65100 Wind Power Industry AISI4130, AISI414016mncr5A193 GrB16Duplex Steel 2205,2507SAE8640 offshore and seabed Alloy steel B7 & 2H / L7M &7M / B16 & Gr.4Stainless steel 316/321/17-4PHSuper Duplex 32750/ 32760Grade 2 and 5 titaniumInconel 625/718A453 Class 660 A/B/C/DS32750、S32760、Zeron100 Aerospace military bolt materials Grade 2 and 5 titaniumAluminum Bronze CA104Aluminum alloy 6061T6/7075T6Inconel 625/ 718Nichrome alloy 80AA286VaspaloiASTM A453 GR660A/B/C/DHaynes 242 Power industry 1.49131.492325CR2MOV40CRNIMOASAE8640Silicon bronze 651, silicon bronze 655 SS422Nitronic50、Nitronic60、S21800、S21900 Chemical industry Stainless steel: ST.904L, SS17-4PH, SS317L, 254SMO, 1.4529, AL6XNHastelloy C276, G-30, C22. B2、B3、C2000Inconel 600, 601, 625, 725LN, 686Monel alloy 400, K500