| Carbon Steel Blind Flange: | ASTM A105, ASTM A 694 F42 | 
                                         
                                         
                                         
                                            | Low Temperature Carbon Steel Blind Flange: | A350 LF2/A350 LF3 | 
                                         
                                         
                                            | Copper Alloys Blind Flange: | 
                                                    
                                                        ASTM / ASME SB 61 / 62 / 151 / 152
                                                    
                                                        C 70600 (CU -NI- 90/10)
                                                    
                                                        C 71500 (CU -NI- 70/30)
                                                    
                                                        UNS NO. C 92200, UNS NO. C 83600,UNS NO C 10100
                                                    
                                                        C 10200, C 10300, C 10800, C 12000, C 12200
                                                    
                                             | 
                                        
                                        
                                            | Nickel Alloys Blind Flange: | Monel 400 & 500, Inconel 600 & 625, Incolloy 800, 825, Hastelloy C22, C276 | 
                                         
                                         
                                            | Duplex Blind Flange: | ASTM A 182 UNS F 44, F 45, F51, F 53, F 55, F 60,F 61 | 
                                         
                                         
                                            | Stainless Steel Blind Flange: | ASTM 182 F 304, 304L, 304H, 309S, 309H, 310S, 310H, 316, 316TI, 316H, 316L, 316LN, 317, 317L, 321, 321H, 347, 347H, 904L | 
                                         
                                         
                                         
                                            | Alloy Steel Blind Flange: | ASTM SA 182 F1/F5/F9/F11/F22/F91 |