Product Name: Straight nipple, threaded. Standard: ANSI B16.11, BS3799 Size: From 1/2" to 3" Material: A105 standard ASME B16.11,MSS-SP-97, MSS-SP-79,JIS B2316 material Carbon steel(ASTM A105, Q235,A350LF2,A350LF3,) Stainless steel(ASTM A182 F304, F304L,F316,F316L,F321,F347,F310F44F51,A276 S31803, A182, F43, A276 S32750,A705 631,632,A961, A484, Alloy steel(ASTM A694 F42,F46,F52,F56,F60,F65,F70, ...