SIZE:NPS 1/8"-4"(6mm-100mm)
RATING:THREADED WOG :2000, 3000 AND 6000 LBS / SOCKET-WELDING WOG 3000,6000,9000 LBS.
SPECIFICATION: 1.DIM. SPEC: ASME B 16.11-1996 (RIVISION OF ANSI B16.11-1991),MSS-SP-79\ 83\ 95\97 AND BOTH-WELL SPEC.2.MATERIAL SPEC: ASTM A105, ASTM A182(F304, F304L, F316, F316L, F304H, F316H, F317L,F321, F11, F22, F91). 3.SIZE OF RAW MATERIAL: DIA. 19-85MM ROUND BAR.

MARKING:1.CARBON AND ALLOY STEEL: MARKED BY STAMPING. 2.STAINLESS:MARKED BY ELECTRO-ETCHED OR JET PRINTED OR STAMPED.3.3/8" UNDER: BRAND ONLY.4.1/2"TO 4": MARKED BRAND, MATERIAL,HEAT NO. B16(BELONG TO ANSI B16. 11 PRODUCT),PRESSURE AND SIZE.
FINISH:GALVANIZED OR BLACK.(CARBON),PICKLED(STAINLESS).

.PACKING :CARTON/WOODEN CASE.