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ANSI B16.5 Steel Flanges and Flanged Fittings; ANSI B16.10 Nominal Lengths of Iron and Steel Valves; ANSI B16.11 Forged Steel Fittings for Socket Welding and Threaded Connections; ANSI B16.20 Ring Gaskets and Grooves for Steel Pipe Flanges; ANSI B16.25 End Connections for Butt Welding; ANSI B16.34 Steel Valves; ASTM A105 Carbon Steel Forgings; ASTM A126 Gray Cast Iron Parts for Valves, Flanges, and Fittings; ASTM A182 Forged and Rolled Alloy Steel Components; ASTM A193 Alloy Steel Bolts; ASTM A194 Carbon Steel and Alloy Steel Nuts; ASTM A216 Carbon Steel Castings; ASTM A217 Alloy Steel Castings; ASTM A232 Quality Requirements for Chromium-Vanadium Alloy Spring Steel Wire Used in Valves; ASTM A276 Stainless Heat-Resistant Steel Bars and Shapes; ASTM A320 Low-Temperature Alloy Steel Bolts; ASTM A350 Carbon Steel and Low-Alloy Steel Forgings for Pipes; ASTM A351 Stainless Steel Castings; ASTM A352 Low-Temperature Carbon Steel and Alloy Steel Castings; ASTM A479 Alloy Steel Bars and Shapes; ASTM A488 Qualification Criteria for Weld Repair of Castings; ASTM A540 Special Alloy Steel Bolts; MSS SP25 Marking of Valves, Fittings, Flanges, and Pipe Connectors; MSS SP53 Quality Standards for Cast Steel Parts Such as Valves, Flanges, Pipe Connectors, and Other Fittings; MSS SP53 Radiographic Inspection Standards for Cast Steel Parts Such as Valves, Flanges, Pipe Connectors, and Other Fittings; MSS SP55 Visual Inspection Standards for the Appearance of Cast Steel Parts Such as Valves, Flanges, and Pipe Connectors; API 6D Specification for Line Valves; API 526 Safety Valves with Steel Flange Connections for the Petroleum Refining Industry; API 527 General Requirements for Safety Valves with Metal-to-Metal Sealing Surfaces; API 528 Standards for Safety Valve Nameplates; API 598 Iron Gate Valves with Flange Connections; API 600 Steel Gate Valves with Flange or Butt Connections; API 602 Compact Carbon Steel Gate Valves with Reduced Bore