malleable iron pipe fittings - Backnut

malleable iron pipe fittings - Backnut Details:

Type: backnuts.

Size: 1/4''to 6''

Finish: Black, Electro Galvanized, Hot Dipped Galvanized

Usage: Plumbing accessory, suitable for joining pipe lines of steam, gas, oil, air

American Standard: Material: ASTM A-197

Dimension: ASME B16.3  16.14   B16.39

Galvanization: ASTM A153

Threads: ANSI BI.20.1  NPT

Mechanical Property:

Tensile strength: Min. 300MPa

Elongation: Min.6%

Hardness: Max. 150HB

Delivery: 45-50days after prepayment

Packing: Two inner boxes then master seaworthy carton.

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