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ASTM A106 FLANGES

ASTM A350 LF2 Cl1 Specification

ASTM A350 Lf2 Flanges Manufacturer in India, providing material known for their heat resistance.

ASTM A350 Lf2 Flanges Sizes
ASTM A350 Lf2 Flanges Sizes
  • SCH: Sch 5 to XXS
  • NPS: 1/2 to 48"
  • Class:150 to 2500#
ASTM A350 Lf2 Slip On Flange Types
ASTM A350 Lf2 Slip On Flange Types
  • Blind
  • Socket Weld
  • Slip On
  • Weld Neck etc.
A350 Gr Lf2 Cl 1 Blind Flanges Dimensions Standards
A350 Gr Lf2 Cl 1 Blind Flanges Dimensions Standards
  • ASME B16.47 Series A & B
  • MSS SP44
  • ASME B16.5
A350 Gr Lf2 Cl1 Weld Neck Flange Process
A350 Gr Lf2 Cl1 Weld Neck Flange Process
  • Casting
  • Forging
  • Cutting
  • Rolling
A350 Lf2 Cl 1 Socket Weld Flange Threads
A350 Lf2 Cl 1 Socket Weld Flange Threads
  • FNPT
  • BSPT
  • BSPP
  • NPT, MNPT
LTCS A350 LF2 Threaded Flange Testing
LTCS A350 LF2 Threaded Flange
Testing
  • Pressure
  • Tensile
  • PMI
  • Hardness test

ASME Sa 350 Lf2 Plate Flange Finish
ASME Sa 350 Lf2 Plate Flange Finish
  • Spiral/Concentric
  • Mirror
  • Smooth
  • Serrated
ASTM A350 Gr Lf2 Cl 1 Lap Joint Flanges Face
ASTM A350 Gr Lf2 Cl 1 Lap Joint Flanges Face
  • FF
  • RF
  • RTJ
  • T&G
ASTM A350 Lf2 Cl1 Orifice Flanges Origin
ASTM A350 Lf2 Cl1 Orifice Flanges Origin
  • Indian
  • European
  • Japan
  • Korean
Lf2 Cl1 Ring Type Joint Flange Advantages
Lf2 Cl1 Ring Type Joint Flange Advantages
  • Weldability
  • Resistance
  • Cost-effective
SA350 Lf2 Cl1 Spectacle Blind Flanges Supporting Material
SA350 Lf2 Cl1 Spectacle Blind Flanges Supporting Material
  • Gasket
  • Flange Bolts
  • Ring Joint
ASTM A350 Lf2 Slip On Flange Testing Facility
ASTM A350 Lf2 Slip On Flange Testing Facility
  • X-ray Detector
  • NDT
  • Hydro test

A350 Gr Lf2 Cl 1 Blind Flanges Physical Properties
A350 Gr Lf2 Cl 1 Blind Flanges Physical Properties
  • Density: 7.85 g/cm³
  • Melting Point: 1425°C (2597°F)
  • Temperature: 200°C (400°F)
A350 Gr Lf2 Cl1 Weld Neck Flange Standards
A350 Gr Lf2 Cl1 Weld Neck Flange Standards
  • ASTM A350 LF2 | ASME B16.5
  • UNS: SA350
A350 Lf2 Cl 1 Socket Weld Flange Features
A350 Lf2 Cl 1 Socket Weld Flange Features
  • Strength
  • Hardness
  • Toughness

Supplier Of LTCS A350 LF2 Class 1 Blind and Slip On Flanges in Mumbai With OD 1/2 to 24” in ASME B16.5

Size Chart of Flange A350

Size (NPS) WT OD
20 1-11 / 16 27-1 / 2
18 1-9 / 16 25
16 1-7 / 16 23-1 / 2
14 1-3 / 8 21
12 1-1 / 4 19
10 1-3 / 16 16
8 1-1 / 8 13-1 / 2
6 1 11
5 15 / 16 10
4 15 / 16 9
3-1 / 2 15 / 16 8-1 / 2
3 15 / 16 7-1 / 2
2-1 / 2 7 / 8 7
2 3 / 4 6
1-1 / 2 11 / 16 5
1-1 / 4 5 / 8 4-5 / 8
1 9 / 16 4-1 / 4
3 / 4 1 / 2 3-7 / 8
1 / 2 7 / 16 3-1 / 2
Offer SA 350 GR LF2 Weld Neck and Threaded Flange With Wall Thickness SCH 10 to SCH 160

Flange LF2 Schedule Chart

Sizes Schedule
NPS O.D SCH 160 SCH 140 SCH 120 SCH 100 SCH 80 SCH 60 SCH 40 SCH 30 SCH 20 SCH 10
20 20 1.969 1.75 1.5 1.281 1.031 0.812 0.594 0.5 0.375 0.25
18 18 1.781 1.562 1.375 1.156 0.938 0.75 0.562 0.438 0.312 0.25
16 16 1.594 1.438 1.219 1.031 0.844 0.656 0.5 0.375 0.312 0.25
14 14 1.406 1.25 1.094 0.938 0.75 0.594 0.438 0.375 0.312 0.25
12 12.75 1.312 1.125 1 0.844 0.688 0.562 0.406 0.33 0.25 0.18
10 10.75 1.125 1 0.844 0.719 0.594 0.5 0.365 0.307 0.25 0.165
8 8.625 0.906 0.812 0.719 0.594 0.5 0.406 0.322 0.277 0.25 0.148
6 6.625 0.719 – 0.562 – 0.432 – 0.28 – – 0.134
5 5.563 0.625 – 0.5 – 0.375 – 0.258 – – 0.134
4 4.5 0.531 – 0.438 – 0.337 – 0.237 – – 0.12
3 ½ 4 – – – – 0.318 – 0.226 – – 0.12
3 3.5 0.438 – – – 0.3 – 0.216 – – 0.12
2 ½ 2.875 0.375 – – – 0.276 – 0.203 – – 0.12
2 2.375 0.344 – – – 0.218 – 0.154 – – 0.109
1 ½ 1.9 0.281 – – – 0.2 – 0.145 – – 0.109
1 ¼ 1.66 0.25 – – – 0.191 – 0.14 – – 0.109
1 1.315 0.25 – – – 0.179 – 0.133 – – 0.109
¾ 1.05 0.219 – – – 0.154 – 0.113 – – 0.083
½ 0.84 0.188 – – – 0.147 – 0.109 – – 0.083
Find Stock Of Carbon Steel A350 LF2 Threaded Flange With Pressure Class From 150 to 2500

Pressure Rating of A350 Flange

Size OD (min) A B C D E F G H J K L M N O P
Pressure 3000 (Class)
4 4.545 4.2 5.8 3 5.8 2.6 1.6 2.4 5.5 13.6 4 12 2.5 0.8 6.8 1.6
3 3.535 3.3 4.3 2.4 4.6 2.3 1.3 2 4.4 8.5 2.5 7.25 1.3 0.7 5 1.4
2 1/2 2.906 2.9 3.6 2 4 1.6 1 2 3.6 6.88 2 5.94 1.2 0.7 3.6 1.3
2 2.406 2.3 3 1.7 3 1.5 1 2 3 4.69 1.6 3.88 0.8 0.7 3 1.3
1 1/2 1.915 1.9 2.5 1.3 2.5 1.3 0.8 1.6 2.5 3.88 1.4 39 0.7 0.6 2.5 1
1 1/4 1.675 1.7 2.3 1.2 2.3 1 0.7 1.6 2.3 3.44 1.3 2.81 0.6 0.6 2.3 1
1 1.33 1.4 1.8 1 1.8 0.9 0.6 1.6 1.9 2.94 1 2.38 0.5 0.6 1.8 1
3/4 1.065 1.3 1.5 1 1.5 0.8 0.5 1.5 1.5 2.53 1 2 0.4 0.6 1.5 1
1/2 0.855 1 1.3 0.8 1.3 0.6 0.4 1.3 1.3 2.06 0.8 1.62 0.4 0.4 1.3 0.8
3/8 0.69 0.9 1 0.7 1 0.5 0.3 1 1 1.88 0.8 1.44 0.4 0.4 1.3 0.8
1/4 0.555 0.8 0.9 0.7 0.9 0.4 0.3 1 0.9 1.62 0.7 1.25 0.3 0.4 0.9 0.8
1/8 0.42 0.8 0.9 0.7 0.9 0.4 0.3 1 0.8 – – – – 0.4 – 0.7
Pressure 6000 (Class)
4 4.545 4.5 6 3 5.8 2.6 1.6 2.4 6.3 13.6 4 12 2.5 0.8 6.8 1.8
3 3.535 3.7 4.8 2.4 4.6 2.5 1.4 2 5 8.5 2.5 7.25 1.3 0.7 5 1.6
2 2.406 2.5 3.4 1.8 3.4 1.6 1 2 3.6 6.88 2 6 1.3 0.7 3.6 1.4
2 1/2 2.906 3.2 4 2 4 2.3 1.3 2 4.3 8.5 2.5 7.5 1.5 0.7 5 1.4
1 1/2 1.915 2.3 3 1.7 3 1.5 1 1.6 3 4.75 1.7 3.88 0.8 0.6 3 1.3
1 1/4 1.675 2 2.5 1.3 2.5 1.3 0.8 1.6 2.5 3.94 1.4 39 0.7 0.6 2.5 1.2
1 1.33 1.7 2.3 1.3 2.3 1 0.7 1.6 2.3 3.5 1.3 2.81 0.6 0.6 2.3 1.2
3/4 1.065 1.5 1.8 1 1.8 0.9 0.6 1.5 1.8 3 1 2.38 0.5 0.6 1.8 1
1/2 0.855 1.3 1.5 1 1.5 0.8 0.5 1.3 1.5 2.56 1 2 0.4 0.4 1.5 0.9
3/8 0.69 1 1.3 0.9 1.3 0.6 0.4 1 1.3 22 0.9 1.5 0.3 0.4 1.3 0.9
Must Refer Flange A350 Heat Treatment , Equivalent Material and Impact Test Temperature

A350 LF2 Equivalent Material

Types UNS Specification Astm A350 Lf2 Equivalent European DIN DIN W. No
C-Mn-Fe K03011 A350-LF2 A352-LCB A352-LCC TSTE 355 DIN 18103 1.0566
C-Si K03504 A105 A216-WCB C22.8 DIN 17243 1.0460
3.1/2Ni K32025 A350-LF3 A352-LC3 10Ni14 1.5637

Impact Test of A350 LF2 Flange

Grade Test Temperature (℃)
LF787 Class 3 -73
LF787 Class 2 -59
LF9 -73
LF6 Class 3 -18
LF6, Class 1 – 2 -51
LF5, Class 1 – 2 -59
LF3, Class 1 – 2 -101
LF2 Class 2 -18
LF2 Class 1 -46
LF1 -29

Most Common Types of ASTM A350 Lf2 Flanges

ASTM A350 Lf2 Flanges Supplier in India, offering durable flanges designed for demanding industrial applications.

ASTM A350 Lf2 Slip On Flange

ASTM A350 Lf2 Slip On Flange

A350 Gr Lf2 Cl 1 Blind Flanges

A350 Gr Lf2 Cl 1 Blind Flanges

A350 Gr Lf2 Cl1 Weld Neck Flange

A350 Gr Lf2 Cl1 Weld Neck Flange

A350 Lf2 Cl 1 Socket Weld Flange

A350 Lf2 Cl 1 Socket Weld Flange

LTCS A350 LF2 Threaded Flange

LTCS A350 LF2 Threaded Flange

ASME Sa 350 Lf2 Plate Flange

ASME Sa 350 Lf2 Plate Flange

ASTM A350 Gr Lf2 Cl 1 Lap Joint Flanges

ASTM A350 Gr Lf2 Cl 1 Lap Joint Flanges

ASTM A350 Lf2 Cl1 Orifice Flanges

ASTM A350 Lf2 Cl1 Orifice Flanges

Lf2 Cl1 Ring Type Joint Flange

Lf2 Cl1 Ring Type Joint Flange

SA 350 LF2 Material Dimensions

Standard Class Bolt Hole OD OD Size Circle OD
ASTM B16.5 ASTM 300 16 95 13 67
ASTM 150 89 13 60
ASTM 600 95 13 67
ASTM 1500 22 121 19 83
ASTM 900 22 121 19 83
AS 2129 Flange Table C 14 95 13 67
Table E
Table D
Table F
Table J 17 114 16 83
Table H 17 114 16 83
ISO 7005 Flange PN6 11 80 M10 55
PN16 16 90 M14 60.5
PN10 14 95 M12 65
PN20
PN40
PN25

Thermal Properties of LF2 Flange

Property Imperial Metric
Thermal conductivity 150 BTU in/hr.°F 21.6 W/mK
Thermal expansion 5.78 µin/in°F 10.4 µm/m°C

SA350 Lf2 Cl 1 Blind Flanges Temperature Chart

Temperature (°C) 2500 1500 900 600 400 300 150
500 97.9 58.8 35.3 23.5 15.7 11.8 2.8
450 191.7 115 69 46 30.7 23 4.6
400 289.3 173.6 104.2 69.4 46.3 34.7 6.5
350 313 187.8 112.7 75.1 50.1 37.6 8.4
300 331.8 199.1 119.5 79.6 53.1 39.8 10.2
250 349.5 209.7 125.8 83.9 55.9 41.9 12.1
200 365 219 131.4 87.6 58.4 43.8 13.8
150 375.6 225.4 135.2 90.2 60.1 45.1 15.8
100 388.3 233 139.8 93.2 62.1 46.6 17.7

Energy Requirements of SA 350 Lf2 Cl 1 Weld Neck Flange

Energy Required for 3 Specimens, (J) Test Temperature (°C) Energy Permitted for 1 Specimen ft.lbf
20 −46 12

ASTM A350 LF2 Chemical Composition

Molybdenum

0.12 max

Carbon

0.30 max

Manganese

0.60 – 1.35

Phosphorus

0.035 max

Sulfur

0.040 max

Silicon

0.15 – 0.30

Chromium

0.30 max

Nickel

0.40 max

Copper

0.40 max

Columbium

0.02 max

Vanadium

0.08 max

ASTM A350 LF2 Mechanical Properties

Property Value (min)
Set of 3 Specimen 15 (20)
Tensile Strength psi (Mpa) 70,000 (485)
Elongation 22%
Yield Strength psi (Mpa) 36,000 (250)
For One Specimen 12
Hardness 197 (max)

ASTM A350 LF2 Material Properties

Property Value
Reduction of Area > 30 %
Impact Energy (KV -50°F [-45°C]) > 16 J
Class 1 HB After HT

ASTM A350 Lf2 Flanges Delivery Time As Per Country

Variation in Price
Extra 5 %
Export to Shipping Time in Days
Switzerland 45-60
Albania 45
Portugal 45
Belgium 45
Hungary 45
Slovakia 45-60
Austria 60
Singapore 8
Malaysia 7
Netherlands 60
Slovenia 60
Finland 45-60
Croatia 60
Germany 60
Czech Republic 45
Indonesia 7