Plug 2'' NPT P355GH A350 LF2 Class 6000 POLBERIS goods for industry

Plug 2'' NPT P355GH A350 LF2 Class 6000

Size: 2'' (thread diameter: 59.9–60.2 mm)

Thread type: NPT (tapered)

Material: ASTM A350 LF2 carbon steel (properties comparable to P355GH / P355NH / S355J2)

Manufactured according to: ANSI B16.11

Pressure class: Class 6000 (413 bar)

Hex head plug

Operating temperature: -46°C to +343°C

Impact tested at: -46°C

High-pressure threaded plug

Suitable for welding

Applications: sealing piping systems, pressure testing, boilers, ships, heavy industry, pressure vessels

3.1 material certificate available on request (free of charge)

Origin: European Union

Alternative Name: Plug 2'' NPT P355GH A350 LF2 Class 6000, hex plug, forged threaded plug, NPT tapered thread plug, high-pressure pipe plug, low-temperature threaded plug, ASTM A350 LF2 plug, carbon steel hex plug.

Information

Plug 2'' NPT P355GH A350 LF2 Class 6000 is a high-pressure forged threaded plug designed to seal piping systems, perform pressure tests, or protect equipment during transport. The tapered NPT thread provides a secure and leak-tight connection for demanding pressure applications.

Each plug is permanently marked with its size, material grade, heat number, and pressure class, ensuring complete traceability. A 3.1 material certificate is available on request.

ASTM A350 LF2 Carbon Steel

ASTM A350 LF2 is a low-alloy forged carbon steel designed for low-temperature service. It is widely used for forged fittings, flanges, valves, and pressure components operating under demanding conditions. The material offers excellent weldability, toughness, and impact resistance at sub-zero temperatures.

Equivalent grades: P355GH, P355NH, S355J2, 1.0570, ASTM A333 Grade 2.

Advantages

Excellent weldability
High mechanical strength
Suitable for low-temperature service
High impact resistance
Reliable sealing in high-pressure systems

Applications

Pressure piping systems
Pressure testing
Boilers
Pressure vessels
Shipbuilding
Heavy industry
Oil and gas industry
Outdoor installations
Low-temperature service

We also offer threaded plugs in other sizes and pressure classes. If you have any questions, please contact us. Call +48 63 261 42 02 or email biuro@polberis.pl.

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