Product description
Product Description
1. Material: Super alloy ASTM A560 40Ni-60Cr(K6040, G-NiCr60)2. Stress released completely for dimensional stability. 3. Seat face concentric to O/D within 0.02mm TIR. 4. O/D roundness within 0.01mm. 5. Seat face roundness within 0.01mm6. Proven Reliability By European and China Customers.