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SA350 LF2 Header Plug

SA350 LF2 Header Plugs, SA350 LF2 Shoulder Plugs & Industrial Heat Exchanger Sealing Components Supplier in Mumbai, India

Unifit Metal Alloys, based in Mumbai, India, is a manufacturer and supplier of SA350 LF2 Header Plugs for industrial heat-transfer and pressure equipment. We supply these components to customers involved in oil and gas, petrochemical, refinery, power generation and process industries, with options available for standard and customized requirements.

SA350 LF2 Header Plugs are manufactured from ASTM A350 LF2 material, a carbon steel forging grade selected for applications requiring dependable strength and toughness, particularly where equipment may operate under low-temperature service conditions. Their forged construction provides a robust component suitable for demanding industrial environments.

SA350 LF2 Header Plug, A350 LF2 Carbon Steel Header Plug and ASTM A350 LF2 Hex Plug Manufacturer & Supplier in India

These A350 LF2 Header Plugs are used for closing and isolating individual tubes in heat exchanger header boxes and similar equipment. They allow specific tubes to be taken out of service during leakage, inspection or maintenance activities while the remaining equipment continues to operate. At Unifit Metal Alloys, we supply SA350 LF2 Header Plugs in different diameters, lengths, shoulder configurations and thread arrangements. Products can be manufactured or supplied according to tube dimensions, header box requirements, technical drawings and application specifications.

Our SA350 LF2 Carbon Steel Header Plugs are suitable for use in heat exchangers, air-cooled heat exchangers, fin fan coolers, pressure equipment, refineries, petrochemical plants, oil and gas facilities and power plants. The material’s mechanical properties make these plugs appropriate for applications where strength, dimensional accuracy and dependable tube isolation are important.

Get the Best Quote for SA350 LF2 Header Plugs. We Stock SA350 LF2 Header Plugs in Various Sizes, Dimensions and Specifications. Contact Us Today for a Competitive Quote.

SA350 LF2 Header Plugs Specifications

Specifications
Category Detail
Material Grade ASTM A350 / ASME SA350 Grade LF2
Header Plug Type Forged / Threaded / Screwed / Hex Plug
Dimensions Standard ASME B16.11, MSS SP-79, 83, 95, 97, BS 3799
Pressure Class 2000 LBS, 3000 LBS, 6000 LBS, 9000 LBS
Thread Types NPT, BSP, BSPT, UNF (Unified National Fine)
Service Temperature Minimum impact test temperature: −46∘C (−50∘F) for Class 1.
Heat Treatment Normalized, or Normalized and Tempered, or Quenched and Tempered.

Chemical Composition of SA350 LF2 Header Plug

Element Composition (wt%)
C (Max) 0.30
Mn 0.60−1.35
P (Max) 0.035
S (Max) 0.040
Si 0.15−0.30
Cu (Max) 0.40
Ni (Max) 0.40
Cr (Max) 0.30
Mo (Max) 0.12
V (Max) 0.08
Nb (Max) 0.0

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SA350 LF2 Header Plug Mechanical Properties

Property Minimum Value Imperial Value
Tensile Strength (TS) 485 MPa 70−95 ksi
Yield Strength (YS) 250 MPa 36 ksi
Elongation (EL) in 2 in. / 50 mm 22% min 22% min
Reduction of Area (RA) 30% min 30% min
Hardness (HBW) 197 max 197 max
Charpy V-Notch Impact Energy 20 J average / 16 J min per specimen (at −46°C) 15 ft-lb average / 12 ft-lb min per specimen (at −50°F)

Ready Stock of SA350 LF2 Header Plug

SA350 LF2 Header Plugs
SA350 LF2 Shoulder Plugs
SA350 LF2 Heat Exchanger Header Plugs
SA350 LF2 Fin Fan Header Plugs
SA350 LF2 Tube Header Plugs
SA350 LF2 Header Box Plugs
SA350 LF2 Header Closure Plugs
SA350 LF2 Header Sealing Plugs
SA350 LF2 Threaded Header Plugs
SA350 LF2 Forged Header Plugs
SA350 LF2 Precision Header Plugs
SA350 LF2 Custom Header Plugs

SA350 LF2 Header Plug Application Industries

Refineries
90%
Oil and Gas Industry
96%
Power Generation
80%
Pharmaceutical Equipment
85%
Pulp & Paper Industry
88%

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