SA350 LF2 Header Plug, ASTM A350 LF2 Header Plugs, A350 LF2 Carbon Steel Header Plug and ASTM A350 LF2 Hex Plug Manufacturer & Supplier in Mumbai, India
Jade Alloys, based in Mumbai, India, supplies precision-engineered SA350 LF2 Header Plugs to oil and gas, petrochemical and power generation industries worldwide with ready stock dispatched to UAE, Saudi Arabia, Singapore and Qatar.
The SA350 LF2 Header Plug is a forged, high-performance component widely used in critical industrial applications that demand strength, toughness, and long service life. Manufactured from ASTM A350 LF2 low alloy carbon steel, it delivers excellent mechanical properties and corrosion resistance, making it suitable for high-pressure and low-temperature environments.
Designed for reliable performance, the A350 LF2 Header Plug ensures a secure, leak-proof seal in pipelines, heat exchangers, and pressure vessels where safety and efficiency are non-negotiable.
With precise dimensions and a threaded design, this A350 LF2 Carbon Steel Header Plug allows for easy installation and a firm connection that resists loosening during operation. Its strong construction makes it ideal for both onshore and offshore applications, including environments exposed to corrosive media such as saltwater and aggressive chemicals.
At Jade Alloys, we stock SA350 LF2 Header Plugs across a wide range of sizes and specifications for immediate dispatch. Contact us today for a quick quote or to discuss your specific project requirements.
Quick Section Links
- SA350 LF2 Header Plugs Specifications
- ASTM A350 LF2 Header Plugs Chemical Composition
- Mechanical Properties of A350 LF2 Header Plug
- Equivalent Grades of A350 LF2 Carbon Steel Header Plug
- ASTM A350 LF2 Header Plugs Inventory
- Available Stock of A350 LF2 Carbon Steel Header Plug
- Applications of SA350 LF2 Header Plugs
- Countries We Export
SA350 LF2 Header Plugs Specifications
Our SA350 LF2 header plugs are designed and forged specifically for critical low-temperature service applications.
| 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. |
Ready Stock
Dispatch within 3-5 working days for standard sizes and pressure classes.
No MOQ
No minimum order quantity for standard 2000, 3000 and 6000 LBS pressure classes.
Custom Orders
Non-standard sizes and specifications available with 2-3 week lead time.
ASTM A350 LF2 Header Plugs Chemical Composition
The chemical makeup of SA350 LF2 is strictly controlled to ensure superior strength and notch toughness at low temperatures. Below are the maximum percentage requirements for the key alloying elements on heat analysis.
| Element | C (Max) | Mn | P (Max) | S (Max) | Si | Cu (Max) | Ni (Max) | Cr (Max) | Mo (Max) | V (Max) | Nb (Max) |
| Composition (wt%) | 0.30 | 0.60−1.35 | 0.035 | 0.040 | 0.15−0.30 | 0.40 | 0.40 | 0.30 | 0.12 | 0.08 | 0.0 |
Mechanical Properties of A350 LF2 Header Plug
The forging process and subsequent heat treatment grant SA350 LF2 excellent mechanical properties, especially high impact resistance. Refer to these values to confirm suitability for your high-stress, low-temperature application.
| 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) |
Equivalent Grades of A350 LF2 Carbon Steel Header Plug
The A350 LF2 grade has recognized equivalents across international and related material specifications. Use this chart to ensure material compatibility across your different piping components.
| Material Group | Standard/Grade | Common Name |
| UNS | K03011 | Low Temperature Carbon Steel |
| European (W. Nr.) | 1.0566 | TSTE 355 (DIN 18103) |
| Casting Equivalent | ASTM A352−LCB/LCC | Low Temp Steel Castings |
| Pipe Equivalent | ASTM A333 Grade 6 | Low Temp Pipe |
| Fittings Equivalent | ASTM A420 Grade WPL6 | Low Temp Fittings |
ASTM A350 LF2 Header Plugs Inventory
SA350 LF2 Threaded Header Plugs
SA350 LF2 Blind Header Plugs
SA350 LF2 Hex Header Plugs
Available Stock of A350 LF2 Carbon Steel Header Plug
- SA350 LF2 1−5/8 ′′ UNF Header Plug
- SA350 LF2 NPT Hex Head Plug 3000#
- SA350 LF2 Blind Sealing Plug
- SA350 LF2 Socket Weld Plug 6000#
- SA350 LF2 Shoulder Header Plug
- SA350 LF2 Large Diameter Threaded Plug
- SA350 LF2 Socket Weld Header Plugs
- SA350 LF2 UNF Header Plugs
Applications of SA350 LF2 Header Plugs
- Pipeline Engineering
- Marine Industry
- Chemical Industry
- Oil & Gas Industry
- Mechanical Engineering
- Plant Engineering
- Petrochemical Industry
- Power Industry
- Aerospace
- Food Processing Industry
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