+91-22-2380 5075 / 91-22-2388 7283
info@jaysteelcorporation.co.in
export@jaysteelcorporation.co.in
request a quote

ASTM A350 LF2 Flanges

HomeASTM A350 LF2 Flanges

ASTM A350 LF2 Flanges | ASTM A350 LF2 Carbon Steel Flanges | A350 LF2 Low Temperature Flanges |ASTM A350 LF2 Forged Steel Flanges | ASTM A350 LF2 Weld Neck & Blind Flanges

Table of Content

What are ASTM A350 LF2 Flanges?

It is in accordance with the ASTM A350 specification particularly the Grade LF2 that ASTM A350 LF2 Flanges are manufactured.  Typically, it is manufactured for low-temperature service where high toughness and impact resistance are required.  

More importantly,  ASTM A350 LF2 Flanges are used in specifically pressure-containing systems.  These include pipelines, valves, fittings, and pressure vessels. They are engineered with ‘Precision’ to perform reliably in sub-zero temperatures while maintaining strength and ductility.

Above all, we at Jay Steel Corporation, a leading ASTM A350 LF2 Flanges manufacturer in India offer you Premium Quality ASTM A350 LF2 Flanges at an affordable ASTM A350 LF2 Flanges Price in India.

ASTM A350 LF2 Flanges Specifications Table

  • Material Standard : ASTM A350 / ASME SA350
  • Grade : LF2 (Low Temperature Carbon Steel)
  • Product Form : Forged Flanges
  • Manufacturing Process : Forged, Heat Treated, Machined
  • Applicable Dimensional Standards : ASME B16.5, ASME B16.47 Series A & B, ASME B16.48
  • Flange Types : Weld Neck (WN), Slip-On (SO), Blind (BL), Socket Weld (SW), Threaded (TH), Lap Joint (LJ)
  • Size Range : ½″ to 48″ (15 NB to 1200 NB)
  • Pressure Class (ANSI) : Class 150, 300, 600, 900, 1500, 2500
  • Pressure Rating (DIN/EN) : PN 6, PN 10, PN 16, PN 25, PN 40, PN 64
  • Facing Types : Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ), Tongue & Groove
  • Heat Treatment : Normalized, Quenched & Tempered
  • Minimum Design Temperature : –46°C
  • Density : ~7.85 g/cm³

Chemical Features of ASTM A350 LF2 Flanges

Element Composition (% by Weight)
Carbon (C) 0.30 max
Manganese (Mn) 0.60 – 1.35
Phosphorus (P) 0.035 max
Sulfur (S) 0.040 max
Silicon (Si) 0.15 – 0.35
Nickel (Ni) 0.40 max
Chromium (Cr) 0.30 max
Molybdenum (Mo) 0.12 max
Copper (Cu) 0.40 max
Vanadium (V) 0.08 max
Niobium (Nb) 0.02 max
Aluminum (Al) 0.02 max

Mechanical Properties of ASTM A350 LF2 Flanges

Property Requirement (Imperial) Requirement (Metric)
Tensile Strength 70 – 95 ksi 485 – 655 MPa
Yield Strength (0.2% Offset) ≥ 36 ksi ≥ 250 MPa
Elongation (Minimum) ≥ 22 % ≥ 22 %
Reduction of Area (Minimum) ≥ 30 % ≥ 30 %
Brinell Hardness (Maximum) 197 HB 197 HB
Charpy V-Notch Impact Energy* 20 ft-lb (avg) 27 J (avg)
Impact Test Temperature* −50 °F −46 °C

Types of A350 LF2 Flanges

There are several types of A350 LF2 Flanges and they are given below:

Carbon Steel A350 LF2 Forged Elbow
Carbon Steel A350 LF2 Forged Tee
Carbon Steel A350 LF2 Forged Coupling
Carbon Steel A350 LF2 Forged Cross
Carbon Steel A350 LF2 Forged Union
Carbon Steel A350 LF2 Forged Pipe Cap
Carbon Steel A350 LF2 Forged Bushing
Carbon Steel A350 LF2 Forged Plug

Request the latest Nickel 200 Wire Mesh Price List. Please Call +91222380 5075 or Send an Email to info@jaysteelcorporation.co.in for Nickel UNS N02200, 2.4066 Wire Mesh Ready stock information and updated price list.

CONTACT JAY STEEL CORPORATION TODAY FOR A BEST OFFER & COMPETITIVE QUOTATION OF Nickel 200 WIRE MESH

Equivalent Grades of ASTM A350 LF2 Flanges

Standard / Country Equivalent Grade Description
ASTM / ASME (USA) ASTM A350 LF2 Low-temperature carbon steel forging
ASME ASME SA 350 LF2 Pressure vessel equivalent
EN (Europe) EN 10222-2 P355NL1 Fine-grain steel forging for low-temperature service
DIN (Germany) DIN 1.0566 Low-temperature carbon steel
BS (United Kingdom) BS 1503-225-LT Low-temperature pressure steel
JIS (Japan) JIS G3201 SF440 Carbon steel forgings
IS (India) IS 2002 Grade 2 Carbon steel forgings
GOST (Russia) 09G2S Low-temperature structural steel
GB (China) GB/T 1591 Q345D Low-temperature carbon steel
UNI (Italy) UNI EN 10222-2 P355NL1 Pressure forging steel

CONTACT JAY STEEL CORPORATION

Drop your size, quantity, and delivery location

Industrial Applications of ASTM A350 LF2 Flanges

Since, ASTM A350 LF2 Flanges have the capacity of tolerating low-temperature and high-pressure services, they are used in a wide range of industries. They are given below: 

Application Industries
  • Petrochemical Industry
  • Oil & Gas Indstry
  • LNG & Cryogenic Applications
  • Power Generation Plants
  • Refineries
  • Offshore & Marine Applications
  • Chemical Processing Industry
  • Infrastructure & Construction Projects

Why Choose Jay Steel Corporation ?

There are several reasons why you need to choose  Jay Steel Corporation when you look to buy ASTM A350 LF2 Flanges and other products. They are as given below: 

  • Provision of Comprehensive Product Range & Expertise
  • Following Quality Assurance & Standards Compliance
  • Strong Manufacturing Capability
  • Offering Customized Solutions at competitive pricing

FAQs

What is ASTM A350 LF2 material used for?

A350 LF2 Flanges is a material that is used to produce carbon steel forgings designed for low-temperature and pressure-containing applications.

How is ASTM A350 LF2 different from ASTM A105 flanges?

The difference between ASTM A350 LF2 and ASTM A105 flanges are given in table below: 

Parameter ASTM A350 LF2 Flanges ASTM A105 Flanges
Standard ASTM A350 ASTM A105
Material Type Low-temperature carbon steel Carbon steel
Temperature Service Low & sub-zero temperatures Ambient to high temperatures
Impact Testing Mandatory (Charpy V-Notch) Not mandatory
Minimum Service Temp Down to –46°C Typically above 0°C
Toughness High notch toughness Moderate toughness
Heat Treatment Normalized / Quenched & Tempered Normalized / As-forged
Carbon Content Lower than A105 Slightly higher
Typical Pressure Rating Similar (Class 150–2500) Similar (Class 150–2500)
Cost Higher Lower

Are ASTM A350 LF2 flanges suitable for low-temperature or cryogenic service?

Yes A350 LF2 ASTM Flanges are ideally suited for low-temperature service, including certain cryogenic applications. This is mainly because they are specifically designed to maintain toughness and strength in cold environments.

What are the available pressure ratings and sizes for ASTM A350 LF2 flanges?

Typically, there are various pressure ratings and sizes provided for ASTM A350 LF2 Flanges. They are given in table below:

Standard Pressure Rating / Class Nominal Size Range
ASME B16.5 Class 150 ½″ – 24″
  Class 300 ½″ – 24″
  Class 400 ½″ – 24″
  Class 600 ½″ – 24″
  Class 900 ½″ – 24″
  Class 1500 ½″ – 24″
  Class 2500 ½″ – 24″
ASME B16.47 Series A Class 150 – 900 26″ – 48″
ASME B16.47 Series B Class 150 – 900 26″ – 48″
DIN / EN PN 6 DN15 – DN1200
  PN 10 DN15 – DN1200
  PN 16 DN15 – DN1200
  PN 25 DN15 – DN1200
  PN 40 DN15 – DN1200
  PN 64 DN15 – DN1200
JIS 5K DN15 – DN600
  10K DN15 – DN600
  16K DN15 – DN600
  20K DN15 – DN600
  30K DN15 – DN600
  40K DN15 – DN600
  63K DN15 – DN600

What is the chemical composition and mechanical strength of ASTM A350 LF2 flanges?

 Some essential chemical and mechanical properties of A350 LF2 Flanges ASTM are given below: 

  • Chemical Properties:

    • Carbon 
    • Silicon 
    • Manganese 
    • Phosphorous 
    • Sulphur 
  • Mechanical Propreties:
    • Minimum yield (0.2% offset)
    • Minimum tensile (UTS)
    • Elongation (A, %)
    • Hardness (Brinell, max)
    • Charpy impact (notch toughness) 
error: Content is protected !!