Dear Valued Customers, Thank you for your continued patronage of SAIMA Group. SAMURAI Fastener Story Vol.25 updated! Please take a look! Heat-Resistant Stainless Fasteners Stainless Steel Bolts Resistant to Intergranular CorrosionAustenitic stainless steels such as A2 and A4 are widely used; however, they tend to suffer from intergranular corrosion when exposed to temperatures around 500°C and above.For applications in plants, boilers, engines, and other high-temperature environments, stainless steel fasteners require special heat-resistant materials.… read more