ASTM A350 LF3 Flanges Specification

Why Stockists in Oman should buy ASTM A350 LF3 Flanges from Ganpat Industrial?

  • Low-Temperature Service Suitability
  • Export-Ready Supplier
  • Diverse Stock & Alloy Grades
  • Competitive Cost Structure
  • Quality & Documentation Assurance

Table Of Content

ASME SA 350 Grade Lf3 Forged Flanges Manufacturer in India With SCH 10 to 160

Specification of ASTM A350 LF3 Flanges

ASTM A350 LF3 Flanges Sizes
ASTM A350 LF3 Flanges  Sizes
  • SCH: Sch 5 to XXS
  • NPS: 1/2″ to 48″
  • Class:150 to 2500#
  • Life Span:More than 50 years
ASTM A350 Grade Lf3 Pipe Flanges Types
ASTM A350 Grade Lf3 Pipe Flanges Types
  • Blind
  • Socket Weld
  • Slip On
  • Weld Neck etc.

 

ASTM A350 Gr Lf3 SORF Flange Standards
ASTM A350 Gr Lf3 SORF Flange Standards
  • ASME B16.47 Series A & B
  • MSS SP44
  • ASME B16.5
  • ASTM A182 | ASME SA 182
ASTM A350 Lf3 Cl 1 Blind Flange Process
ASTM A350 Lf3 Cl 1 Blind Flange Process
  • Casting
  • Forging
  • Cutting
  • Rolling
ASTM A350M Threaded Pipe Flange Threads
ASTM A350M Threaded Pipe Flange Threads
  • FNPT
  • BSPT
  • BSPP
  • NPT, MNPT
ASTM A 350 LF3 Exhaust Flanges Testing
ASTM A 350 LF3 Exhaust Flanges Testing
  • Pressure
  • Tensile
  • PMI
  • Hardness test

 

ASME SA 350 LF3 Forged Flanges Finish
ASME SA 350 LF3 Forged Flanges Finish
  • Spiral/Concentric
  • Mirror
  • Smooth
  • Serrated

 

ASME SA 350 Grade Lf3 Puddle Flange Face
ASME SA 350 Grade Lf3 Puddle Flange Face
  • FF
  • RF
  • RTJ
  • T&G
ASME SA 350 Gr Lf3 Flange Origin
ASME SA 350 Gr Lf3 Flange Origin
  • Indian
  • European
  • Japan
  • Korean
Carbon Steel A350 LF3 Lap Joint Flange Advantages
Carbon Steel A350 LF3 Lap Joint Flange Advantages
  • Low maintenance
  • High tensile strength
  • Excellent resistance

 

ASTM A350 LF3 Weld Neck Flange Supporting Material
ASTM A350 LF3 Weld Neck Flange Supporting Material
  • Gasket
  • Flange Bolts
  • Ring Joint
ASTM A350 Gr Lf3 Flanges Testing Facility
ASTM A350 Gr Lf3 Flanges Testing Facility
  • X-ray Detector
  • NDT
  • Hydro test

 

SA 350 Grade Lf3 Forged Flanges Standards

Most Genuine ASTM A350 LF3 Flanges Manufacturer in India As Per International Standards

  • ASME B16.5
  • ASME B16.10
  • ASME B16.47
  • ASME B16.11
  • ASME B16.30
  • ASME B16.34
  • ASME B16.9
  • API 602
  • API 605
  • AWS A5.1
  • AWS A5.5
  • API 600

Carbon Steel LF3 Flanges Thickness Chart

Normal Pipe Sizes O.D. STD Wall Schedule 10 Schedule 20 Schedule 30 Schedule 40 Schedule 60 Schedule 80 Schedule 100 Schedule 120 Schedule 140 Schedule 160 EXT Hvy XX Hvy
½ 0.84 0.109 0.083 – – 0.109 – 0.147 – – – 0.188 0.147 0.294
2 2.375 0.154 0.109 – – 0.154 – 0.218 – – – 0.344 0.218 0.436
2 ½ 2.875 0.203 0.12 – – 0.203 – 0.276 – – – 0.375 0.276 0.552
¾ 1.05 0.113 0.083 – – 0.113 – 0.154 – – – 0.219 0.154 0.308
1 1.315 0.133 0.109 – – 0.133 – 0.179 – – – 0.25 0.179 0.358
3 3.5 0.216 0.12 – – 0.216 – 0.3 – – – 0.438 0.3 0.6
3 ½ 4 0.226 0.12 – – 0.226 – 0.318 – – – – 0.318 0.636
4 4.5 0.237 0.12 – – 0.237 – 0.337 – 0.438 – 0.531 0.337 0.674
1 ¼ 1.66 0.14 0.109 – – 0.14 – 0.191 – – – 0.25 0.191 0.382
1 ½ 1.9 0.145 0.109 – – 0.145 – 0.2 – – – 0.281 0.2 0.4
5 5.563 0.258 0.134 – – 0.258 – 0.375 – 0.5 – 0.625 0.375 0.75
6 6.625 0.28 0.134 – – 0.28 – 0.432 – 0.562 – 0.719 0.432 0.864
8 8.625 0.322 0.148 0.25 0.277 0.322 0.406 0.5 0.594 0.719 0.812 0.906 0.5 0.875
10 10.75 0.365 0.165 0.25 0.307 0.365 0.5 0.594 0.719 0.844 1 1.125 0.5 1
12 12.75 0.375 0.18 0.25 0.33 0.406 0.562 0.688 0.844 1 1.125 1.312 0.5 1
14 14 0.375 0.25 0.312 0.375 0.438 0.594 0.75 0.938 1.094 1.25 1.406 0.5 –
16 16 0.375 0.25 0.312 0.375 0.5 0.656 0.844 1.031 1.219 1.438 1.594 0.5 –
18 18 0.375 0.25 0.312 0.438 0.562 0.75 0.938 1.156 1.375 1.562 1.781 0.5 –
20 20 0.375 0.25 0.375 0.5 0.594 0.812 1.031 1.281 1.5 1.75 1.969 0.5 –
22 22 0.375 0.25 – – – – – – – – – 0.5 –
24 24 0.375 0.25 0.375 0.562 0.688 0.969 1.219 1.531 1.812 2.062 2.344 0.5 –
26 26 0.375 – – – – – – – – – – 0.5 –
30 30 0.375 0.312 0.5 0.625 – – – – – – – 0.5 –
36 36 0.375 0.312 0.5 0.625 0.75 – – – – – – 0.5 –
40 40 0.375 – – – – – – – – – – 0.5 –
42 42 0.375 – – – – – – – – – – 0.5 –

Purchase A350 Grade LF3 Class 1 Slip On and Blind Flanges With OD 1/2 to 24′” and Custom Upto 60″

ASTM A350 Grade LF3 Slip On Flanges Size Chart

Nominal Pipe Size (inches) OD (mm) No. of Bolts Hole Diameter (mm) Bolt Circle Diameter (mm) Thickness (mm)
3/4 114.3 4 16.0 102.0 14.3
1 127.0 4 16.0 114.3 15.9
1 1/2 146.0 4 19.0 127.0 17.5
1/2 91.4 4 16.0 89.0 13.7
2 168.3 4 19.0 140.0 19.1
3 219.1 4 22.0 152.0 21.3
4 241.3 8 22.0 165.0 23.0
6 323.9 8 25.0 190.5 25.4
8 406.4 8 25.0 215.0 28.6
10 508.0 12 32.0 241.0 30.2
12 610.0 12 35.0 269.0 33.4

A350 Lf3 Carbon Steel Flanges Dimensions

Nominal Pipe Size Flanges Inside Diameter (ID)
(inch)		 Flanges Outside Diameter (OD)
(inches)
Class 150 Class 300 Class 400 Class 600 Class 900
1 1.31 2.625 2.875 2.875 2.875 3.125
1 1/4 1.66 3 3.25 3.25 3.25 3.50
1 1/2 1.91 3.375 3.75 3.75 3.75 3.875
2 2.38 4.125 4.375 4.375 4.375 5.625
1/2 0.84 1.875 2.125 2.125 2.125 2.50
3/4 1.06 2.25 2.625 2.625 2.625 2.75
2 1/2 2.88 4.875 5.125 5.125 5.125 6.50
3 3.50 5.375 5.875 5.875 5.875 6.625
4 4.50 6.875 7.125 7.00 7.625 8.125
5 5.56 7.75 8.50 8.375 9.50 9.75
6 6.62 8.75 9.875 9.75 10.50 11.375
8 8.62 11 12.125 12.00 12.625 14.125
10 10.75 13.375 14.25 14.125 15.75 17.125
12 12.75 16.125 16.625 16.50 18.00 19.625

Supplier Of A350 Gr Lf3 Weld Neck and Socket Weld Flange in Mumbai With Pressure Class 150 to 2500

A350 LF3 Socket Weld Flange Pressure Rating Chart

TEMP
°C		 Class 150 Class 300 Class 400 Class 600 Class 900 Class 1500 Class 2500
-29 TO 38 19.6 51.1 68.1 102.1 153.2 255.3 425.5
50 19.2 50.1 66.8 100.2 150.4 250.6 417.7
325 9.3 38.7 51.6 77.4 116.1 193.6 322.6
500 2.8 11.8 15.7 23.5 35.3 58.8 97.9
538 1.4 5.9 7.9 11.8 17.7 29.5 49.2
100 17.7 46.6 62.1 93.2 139.8 233 388.3
150 15.8 45.1 60.1 90.2 135.2 225.4 375.6
200 13.8 43.8 58.4 87.6 131.4 219 365
350 8.4 37.6 50.1 75.1 112.7 187.8 313
375 7.4 36.4 48.5 72.7 109.1 181.8 303.1
400 6.5 34.7 46.3 69.4 104.2 173.6 289.3
425 5.5 28.8 38.4 57.5 86.3 143.8 239.7
450 4.6 23 30.7 46 69 115 191.7
475 3.7 17.4 23.2 34.9 52.3 87.2 145.3
250 12.1 41.9 55.9 83.9 125.8 209.7 349.5
300 10.2 39.8 53.1 79.6 119.5 199.1 331.8

A350 LF3 Carbon Steel Pipe Flanges Working Pressures in Bar

Temperature Class 300 Class 150
50°C 50.1 19.2
100°C 46.6 17.7
200°C 43.8 13.8
−29~38°C 51.1 19.6
300°C 39.8 10.2
350°C 37.6 8.4
400°C 34.7 6.5
450°C 23.0 4.6
500°C 11.8 2.8
Get Tensile Tested Carbon Steel A350 LF3 Pipe Flanges As Per ASME B16.5 and ASME B16.47 A, B Standard

Carbon Steel A350 LF3 Pipe Flanges Testings

  • Tensile Test
  • Impact Test
  • Hardness testing
  • Hydrostatic testing
  • Chemical analysis
  • Charpy V-notch impact test
  • Grain size testing
  • Positive material identification (PMI)

SA350 LF3 Pipe Flanges Weight Chart

Nominal Pipe Sizes (NPS) Threaded (NPT) Weld Neck (WRNR) Blind (BLRF) Slip On (SORF) Lap Joint (Loose) Socket Weld (SWRF)
½ 1 2 2 1 1 2
¾ 2 2 2 2 2 2
1 2 3 2 2 2 2
1¼ 3 3 3 3 3 3
1½ 3 4 4 3 3 3
2 5 6 5 5 5 5
2½ 8 10 7 8 8 8
3 9 11.5 9 9 9 9
3½ 12 12 13 11 11 11
4 13 16.5 17 13 13 13
5 15 21 20 15 15 15
6 19 26 27 19 19 19
8 30 42 47 30 30 30
10 43 54 70 43 43 43
12 64 88 123 64 64 64
14 90 114 140 90 105 90
16 98 140 180 106 140 98
18 130 165 220 130 160 130
20 165 197 285 165 195 165
22 185 225 355 185 245 185
24 220 268 430 220 275 220

SA 350 LF3 Blind Flanges Heat Treatment

Expert ASTM A350 LF3 Flanges Manufacturer in India delivering excellence in both design and material strength.

Heat Treatment Process Temperature (°C)
Quenching 1050-1100
Tempering 650-700
Normalization 900-950
Stress Relief 550-650

Most Common Types Of ASTM A350 LF3 Flanges

Best ASTM A350 LF3 Flanges Supplier in India, Stock and Supply Custom Shapes As Per Your Project Requirment

ASTM A350 LF3 Forged Flanges

ASTM A350 LF3 Forged Flanges

ASTM A350 Grade Lf3 Slip On Flange

ASTM A350 Grade Lf3 Slip On Flange

ASTM A350 Gr Lf3 Blind Flanges

ASTM A350 Gr Lf3 Blind Flanges

ASTM A350 Lf3 Cl 1 Weld Neck Flange

ASTM A350 Lf3 Cl 1 Weld Neck Flange

ASTM A350 Grade LF3 Class 1 Socket Weld Flange

ASTM A350 Grade LF3 Class 1 Socket Weld Flange

ASTM A350M Threaded Flange

ASTM A350M Threaded Flange

ASTM A 350 LF3 Exhaust Flange

ASTM A 350 LF3 Exhaust Flange

ASME SA 350 LF3 Plate Flange

ASME SA 350 LF3 Plate Flange

ASME SA 350 Grade Lf3 Lap Joint Flanges

ASME SA 350 Grade Lf3 Lap Joint Flanges

ASME SA 350 Gr Lf3 Orifice Flanges

ASME SA 350 Gr Lf3 Orifice Flanges

Carbon Steel A350 LF3 Ring Type Joint Flange

Carbon Steel A350 LF3 Ring Type Joint Flange

ASTM A350 LF3 Spectacle Blind Flanges

ASTM A350 LF3 Spectacle Blind Flanges

A350 LF3 Pipe Flanges Charpy V-Notch Energy Requirements

Min Impact Energy Permitted for One Specimen only of a Set, ft.lbf [J] Min Impact Energy Required for Average of Each Set of Three Specimens, ft.lbf [J] Testing Temperature, °F [°C]
12 [16] 15 [20] −150 [−101]

ASME SA 350 Grade Lf3 Forged Flanges Applications

ASME SA 350 Grade Lf3 Forged Flanges Applications

Understand Difference Between ASTM A350 Lf2 vs Lf3

ASTM A350 Lf2 vs Lf3

ASTM A350 Grade LF2 ASTM A350 Grade LF3
Material Carbon Steel Nickel Alloyed Carbon Steel
Minimum Service Temperature −46°C (−50°F) −101°C (−150°F)
Tensile Strength (MPa) 485-655 485-655
Yield Strength (MPa) ≥240 ≥240

ASTM A350 Lf3 Flange Equivalent Material

ASTM ASME Grade JIS
A350 SA350 Lf3 SB 450

A350 Lf3 Flange Chemical Composition

Reliable ASTM A350 LF3 Flanges Supplier in India with a commitment to innovation and product integrity.

Element Composition
Phosphorus, max 0.035 max
Sulfur, max 0.040 max
Silicon [Note A] 0.20-0.35
Nickel 3.3-3.7
Carbon, max 0.20 max
Manganese 0.90 max
Chromium 0.30 max
Molybdenum 0.12 max
Copper 0.40 max
Columbium 0.02 max
Vanadium 0.03 max

A350 Gr Lf3 Weld Neck Flange Mechanical Properties

Tensile Strength, minimum 70,000 psi [485 MPa]
Reduction of area, minimum 30% minimum
Hardness, HB, maximum 187
Minimum. Yield Point 36,000 psi [250 MPa]

Carbon Steel A350 LF3 Flange Physical Properties

Property Value
Melting Point 1370°C (2500°F)
Electrical Resistivity 0.000015 Ω·m
Density 7.85 g/cm³
Thermal Conductivity 50 W/m·K
Specific Heat 0.46 J/g·K
Coefficient of Thermal Expansion 11.2 x 10-6 /°C (6.2 x 10-6 /°F)

ASTM A350 Lf3 Class 1 Flange Thermal Expansion

Properties Imperial Metric
Thermal expansion co-efficient (@0-100°C/32-212°F) 5.78 µin/in°F 10.4 µm/m°C
Thermal conductivity 150 BTU in/hr.ft².°F 21.6 W/mK

ASTM A350 LF3 Flanges Delivery Time As Per Country

Changes in Price Extra 5 %
Export to Shipping Time in Days
Puerto Rica 45
Gabon 45-60
Bahamas  60
Denmark 35
Russia 20
Panama 45
Equatorial Guinea 45-60
The Republic Of Congo 45-60
Costa Rica 45
Norway 45

ganpat industrial corporation

6 Reasons to choose Ganpat Industrial Corporation

  1. Distributor of Heat Exchanger parts and Alloys for High Temperature applications.
  2. Stockholder and importer of Ferrous and non ferrous metals.
  3. Wide stock of prime quality austenitic and Ferritic Stainless Steel for Extreme pressure environment.
  4. Marine grade steel at lowest price in Mumbai.
  5. Compare Price per KG in India and China.
  6. Offer Resale price to local suppliers, traders and wholesalers in UAE, Saudi Arabia, Egypt, and USA