+91-22-67521137

SA 350 Gr LF2 CL1 Weld Neck/ Blind Flange and LTCS Flange Material manufacturer in India


ASTM A350 LF2 Flanges

A350 Lf2 Flanges Testing Equipment


A350 Lf2 Flanges Testing Equipment
A350 Lf2 Flanges Testing Equipment
A350 Lf2 Flanges Testing Equipment
A350 Lf2 Flanges Testing Equipment

ASTM A350 LF2 Material Specification


SpecificationsASTM A350 LF2 Flanges
ASTM A350 Lf2 Chemical CompositionSi (0.15-0.30), Ni (≤0.40), P (≤0.035), Mn (0.60-1.35), C (≤0.30), Cr (≤0.30), S (≤0.040)
Manufacturer Pressure ClassClass 150 (lb) up to 24"
Class 300 (lb) up to 20"
Class 600 (lb) up to 20"
Class 900 (lb) up to 16"
Class 1500 (lb) up to 10"
Class 2500 (lb) up to 8"
EN Standard6Bar/ 10Bar/ 16Bar/ 25Bar/ 40Bar
Supporting MaterialGasket/ Ring Joint/ Flange Bolts
Melting Point360
DIN StandardPN6/ PN10/ PN16/ PN25/ PN40/ PN64
Flange TestHydrostatic testing machine/ UI trasonic flaw detector/ X-ray detector/ Direct-reading Spectrograph/ Magnetic particle detector
Manufacturer Face TypeRTJ/ RF/ FF
Test CertificatesEN 10204/3.1B
Raw Materials Certificate
100% Radiography Test Report
Third Party Inspection Report, etc
Production TechniqueForged/ Heat treated and machined
Size 1⁄₂" To 48”
JIS Standard5K/ 10K/ 16K 20K/ 30K/ 40K/ 63K
Schedule ChartSCH 5S To SCH 180.
Vishal Steel Manufacturer Below TypesThreaded/ Reducing/ Lap Joint/ Weld Neck/ Socket Weld/ Blind/ Slip On
Manufacturer ofForged/ Threaded/ Screwed / Plate
Other StandardB16.47 Series A & B/ B16.48, BS4504/ GOST
UNI Standard6 Bar/ 10 Bar/ 16 Bar/ 25 Bar/ 40 Bar
  • Price stability can be seen in ASTM A350 LF2 Flanges Manufacturer In India
  • LF2 Flanges Material have high corrosion resistance, particularly to stress corrosion cracking
  • Very little or no maintenance material
  • ASTM A350 LF2 forged steel flanges are suitable for harsh conditions.
  • Buy from LTCS Flange manufacturers in India for factory price
  • A largest Manufacturer, Source, Distributor, Suppliers, Dealer, Distributor, Importer, Exporter, Stock, Stockholder, Traders, Wholesaler, Fabricator & Stockist in Asia & Middle East.

ASTM A350 LF2 Carbon Steel Flanges Inspection


ASTM A350 LF2 Carbon Steel Flanges Inspection
ASTM A350 LF2 Carbon Steel Flanges Inspection

ASTM A350 LF2 Cl1 Specification


Specifications ASTM A350 LF2 Cl1 Flanges
Forging Methods Forging & Casting, Rolling & Cutting
Application Bitumen upgraders
Heavy oil refineries.
Nuclear power (mostly seamless).
Petrochemicals and acids.
Flange Equipment Pushing Machine/ electric bevelling machine/ Press machine/ Bending machine/ Sand-blasting machine etc
Coating Anti-rust Paint/ Zinc Plated/ Oil Black Paint/ Yellow Transparent/ Cold and Hot Dip Galvanized

A350 Lf2 Flanges Price


Type Of Flange Size In Inch SCH Class Grade Price In INR (India) Per Piece
Weld Neck Flange 2 STD 150 ASTM A350 Lf2 Class 1 354.00
- 4 STD 300 - 763.00
- 6 80 300 - 1125.00
- 8 80 300 - 1456.00
Weld Neck 10 80 300 ASTM A350 Lf2 Class 1 2146.00
Slip On Flange 2 40 150 ASTM A350 Lf2 Class 2 234.00
- 3 40 150 - 478.00
- 4 80 300 - 689.00
- 6 80 300 - 1136.00
Slip On 8 80 300 - 1499.00
Blind Flange 3/4 40 150 ASTM A350 Lf2 Class 2 167.00
- 1 40 150 - 212.00
- 1-1/2 40 150 - 347.00
- 2 40 150 - 548.00
- 4 40 150 - 983.00
- 6 40 150 - 1324.00
Blind 8 40 150 - 1774.00

A350 LF2 Yield Strength


ASTM A350 LF2 Flanges Yield Strength
ksi 36
MPa 250

List Of Forging Machinery


List Of Forging Machinery
List Of Forging Machinery

  • Beveling Machine
  • CNC Lath
  • Oil Fired Heat Treatment Furnace
  • Hydraulic Press 300 Tons Capacity
  • Radial Driling Machine
  • Elbow Beveling Machine
  • Conventional Machine
  • Hot Forming Machines
  • Cold Forming Machines
  • Heat Treatment For Forged Fittings
  • Hydraulic Press 150 Tons Capacity
  • Portable Temperature Indicator

Types Of ASTM A350 LF2 Flanges


SA350 LF2 Blind Flanges

SA350 LF2 Blind Flanges

ASTM A350 Gr Lf2 Class 1 Slip On Flanges

ASTM A350 Gr Lf2 Class 1 Slip On Flanges

A350 Grade LF2 Weld Neck Flanges

A350 Grade LF2 Weld Neck Flanges

Carbon Steel A350 LF2 Threaded Flanges

Carbon Steel A350 LF2 Threaded Flanges

LTCS Raised Face Flanges

LTCS Raised Face Flanges

LTCS Ring Type Joint (RTJ) Flanges

LTCS Ring Type Joint (RTJ) Flanges

CS A350 LF2 Spectacle Blind Flange

CS A350 LF2 Spectacle Blind Flange

 Grade Lf2 CL 1 Orifice Flanges

Grade Lf2 CL 1 Orifice Flanges

LTCS A350 LF2 Puddle Flange

LTCS A350 LF2 Puddle Flange

A350 LF2 CL1 Socket Weld Flanges

A350 LF2 CL1 Socket Weld Flanges

 SA350 LF2 CL1 Plate Flanges

SA350 LF2 CL1 Plate Flanges

A350 LF2 Carbon Steel Lap Joint Flanges

A350 LF2 Carbon Steel Lap Joint Flanges

LTCS Reducing Flange

LTCS Reducing Flange

 A350 LF2 Cl1 Vanstone Flange

A350 LF2 Cl1 Vanstone Flange

A350 LF2 Cl1 RTJ Flange

A350 LF2 Cl1 RTJ Flange

LF2 Carbon Steel Square Flanges

LF2 Carbon Steel Square Flanges

 A350 Gr LF2 Cl1 Flat Flanges

A350 Gr LF2 Cl1 Flat Flanges

SA350 Gr LF2 CL1 Anchor Flange

SA350 Gr LF2 CL1 Anchor Flange


Vishal Steel Is Biggest Forging Factory In India


Vishal Steel Is Biggest Forging Factory In India
Vishal Steel Is Biggest Forging Factory In India
Vishal Steel Is Biggest Forging Factory In India
Vishal Steel Is Biggest Forging Factory In India

Petrochemical Companies:

ASTM A350 LF2 Flanges

ASTM A350 LF2 Flanges

Exxon Mobil Corporation (USA)

ASTM A350 LF2 Carbon Steel Flanges

ASTM A350 LF2 Carbon Steel Flanges

Royal Dutch Shell (Netherlands)

A350 Flange

A350 Flange

Petrochina Company Limited (China)

LTCS Flanges

LTCS Flanges

Formosa Petrochemical Corp (Taiwan)

A350 LF2 Cl1 Material

A350 LF2 Cl1 Material

Petroleo Brasileiro S.A. Petrobras (Brazil)

A350 Gr LF2 Material

A350 Gr LF2 Material

China Petroleum & Chemical Corporation (SINOPEC) (China)

A350 LF2 Class 1 Blind Flange

A350 LF2 Class 1 Blind Flange

Saudi Basic Industries Corporation (SABIC) (Saudi Arabia)

SA 350 Gr LF2 CL2 Slip On Flange

SA 350 Gr LF2 CL2 Slip On Flange

Marathon Petroleum Corporation (USA)

LF2 Carbon Steel Weld Neck Flange

LF2 Carbon Steel Weld Neck Flange

Valero Energy Corporation (USA)


Low Temperature Carbon Steel Flange Rating


Temperature °FWorking Pressures by Class In (PSI)
Class 75Class 150Class 300Class 400
-20~100140285740985
200130260680905
300115230655870
400100200635845
50085170605805
60070140570755
65060125550730
700-110530710
750-95505675
800-80410550
850-65320425
900-50230305
950-35135185
1000-2085115

Temperature °FWorking Pressures by Class In (PSI)
Class 600Class 900Class 1500Class 2500
-20~1001480222037056170
2001360203533955655
3001310196532705450
4001265190031705280
5001205181030155025
6001135170528404730
6501100165027454575
7001060159026554425
7501015152025354230
800825123520553430
85064095515952655
90046069011501915
9502754106851145
1000170255430715

Manufacturer of A350 LF2 Cl1 Material in all types such as SA350 Gr LF2 CL1 Puddle/ Plate Flange cutted from sheet and ANSI/ ASME B16.5 SA 350 LF2 Class 1 Forged Flange from Round bar/ blanks


Packaging Of ASTM A350 LF2 Flanges


Packaging Of ASTM A350 LF2 Flanges
Packaging Of ASTM A350 LF2 Flanges
Packaging Of ASTM A350 LF2 Flanges
Packaging Of ASTM A350 LF2 Flanges

SA 350 Gr LF2 Cl 1 Chemical Composition


Element Of ASTM A350 LF2 Flanges ASTM A350 LF2 Composition
Ni ≤0.40
Cr ≤0.30
Mo ≤0.12
Mn 0.60-1.35
P ≤0.035
Cu ≤0.40
S ≤0.040
Si 0.15-0.30
C ≤0.30
Cb ≤0.02
V ≤0.08
N ...

Clients List

Our Clients
Our Clients
Our Clients
Our Clients
Our Clients
Our Clients
Our Clients
Our Clients
Our Clients
Our Clients
Our Clients
Our Clients

ASTM A350 LF2 Mechanical Properties


Grade Of ASTM A350 LF2 Flanges Tensile Strength Yield Strength, (minimum) Elongation, (minimum) Hardness, (maximum)
ksi MPa ksi MPa % HBW
LF2 Class 2 Flanges 70–95 485–655 36 250 22 197
LF2 Class 1 Flanges 70–95 485–655 36 250 22 197

ASTM A350 LF2 Equivalent Material


ASTM A350 LF2 Equivalent Material

SA 350 LF2 Class 1 Equivalent


Class Eav min.
ft*lbf [J]
Eea min.
ft*lbf [J]
LF2 Class 1 15 [20] 12 [16]

A350 LF2 Temperature Range


Working pressure by Class And BAR

TEMP(°C)15030040060090015002500
-29 TO 3819.651.168.1102.1153.2255.3425.5
5019.250.166.8100.2150.4250.6417.7
10017.746.662.193.2139.8233388.3
15015.845.160.190.2135.2225.4375.6
20013.843.858.487.6131.4219365
25012.141.955.983.9125.8209.7349.5
30010.239.853.179.6119.5199.1331.8
3259.338.751.677.4116.1193.6322.6
3508.437.650.175.1112.7187.8313
3757.436.448.572.7109.1181.8303.1
4006.534.746.369.4104.2173.6289.3
4255.528.838.457.586.3143.8239.7
4504.62330.74669115191.7
4753.717.423.234.952.387.2145.3
5002.811.815.723.535.358.897.9
5381.45.97.911.817.729.549.2

Exporter of ASTM A350 LF2 Slip On Flange, SA 350 LF2 Socket Weld Flange and LF2 Steel Threaded Flange with UT, MT or PT Non-destructive testing or as required


LTCS Flange Coating


LTCS Flange Coating
  • Oil Black Paint Coating
  • Zinc Plated Coating
  • Yellow Transparent Coating
  • Anti-rust Paint Coating
  • Cold And Hot Dip Galvanized Coating
  • Epoxy Coating
  • FBE Coating
  • Scotch Coating
  • PP Coating

LF2 Flanges Material Selection For Piping Systems


LF2 Flanges Material Selection For Piping Systems

ASTM A350 LF2 Welding Neck Flange Dimensions


ASTM A350 LF2 Welding Neck Flange Dimensions

Dimensions of Class 150, 300, 600, 900, 1500, 2500

CLassCLass 150CLass 300CLass 600CLass 900CLass 1500CLass 2500
Diameter
A
303838383843
Diameter
D
909595120120135
Thickness
B
9.612.714.322.322.330.2
11.214.320.728.728.736.6
Diameter
G
35.135.135.135.135.135.1
Diameter
K
60.366.766.782.682.688.9
Hight465152606073
47.652.658.466.466.479.4
Number
L
444444
Diameter
L
15.915.915.922.222.222.2
Stud Bolts Diameter x Length
Diameter
(in)
1/21/21/23/43/43/4
Length
mm
556575110110120

ASTM A350 Lf2 Hardness


ASTM A350 LF2 Flanges Hardness, (maximum)
HBW 197

ASTM A350 Lf2 Blind Flange Dimensions


Dimensions of Class 150, 300, 600, 900, 1500, 2500

ASTM A350 Lf2 Blind Flange Dimensions
CLassCLass 150CLass 300CLass 600CLass 900CLass 1500CLass 2500
Diameter
D
909595120120135
B9.612.714.322.322.330.2
11.214.320.728.728.736.6
Diameter
G
35.135.135.135.135.135.1
Diameter
K
60.366.766.782.682.688.9
Number
L
444444
Diameter
L
15.915.915.922.222.222.2
Stud Bolts Diameter x Length
Diameter
(in)
1/21/21/23/43/43/4
Length
mm
556575110110120

Manufacturer of ASTM A350 LF2 Class 1 Lap Joint Flange, SA 350 Gr LF2 Plate Flange and SA 350 LF2 Cl1 Loose plate flange material with sealing face in Class 150/ 300/ 600/ 900, EN 1092-2 PN10, EN 1092-1 Type 11 PN25, JIS 10K, AWWA C207 Class D and BS10 Table D standard

ASTM A350 Lf2 Flanges Weight


Normal Size Of Steel PipeDimensions In MillimeterASME B16.5 Flanges Weight In Kilogram
Normal Size Of Steel Pipe In InchesSize In MillimeterASTM A350 Lf2 Flanges
Outer Daimeter (O.D.) In
(MM)
ASTM A350 Lf2 Flanges
Wall Thickness Of
(D)
In M)
(ASTM A350 Lf2 Slip On Flanges)
And Socket Weld Flanges)
(ASTM A350 Lf2 Weld Neck Flanges)(ASTM A350 Lf2 Blind Flanges)
1/21588.911.20.40.50.4
3/42098.612.70.60.70.6
12510814.20.810.9
1 1/432117.315.711.31.2
1 1/24012717.51.31.71.5
250152.419.12.12.62.4
2 1/265177.822.43.34.13.9
380190.523.93.94.94.9
3 1/290215.923.94.86.16.2
4100228.623.95.36.87.0
512525423.96.18.68.6
6150279.425.47.510.611.3
8200342.928.412.117.619.6
10250406.430.216.52428.6
12300482.631.826.236.543.2
14350533.435.134.648.458.1
16400596.936.644.860.676.1
1845063539.648.968.393.7
20500698.542.961.984.5122.0

ASTM A350 Lf2 Slip On Flange Dimensions


Dimensions of Class 150, 300, 600, 900, 1500, 2500

ASTM A350 Lf2 Slip On Flange Dimensions
CLass15030060090015002500
Diameter
A
3038383838...
Diameter
D
909595120120...
THK
B
9.612.714.322.322.3...
11.214.320.728.728.7...
Diameter
G
35.135.135.135.135.1...
Diameter
K
60.366.766.782.682.6...
Height1421223232...
15.622.628.438.438.4...
Number
L
44444...
Diameter
L
15.915.915.922.222.2...
Stud Bolts Diameter x Length
Diameter
(in)
1/21/21/23/43/4...
Length
mm
556575110110...

Manufacturer of DN 250 FF/ Raised ASTM A350 LF2 Cl1 Long Weld Neck Flange (LWNRF), SA350 LF2 Cl1 Spectacle Blinds and ASTM A350 Gr LF2 Orifice Flanges in Mumbai

Tolerance Of Lf2 Flanges


ASTM A350 LF2 Flanges DiameterTolerance
(A)(Outer Diameter)
  • When Outer Diameter is 24 Inch or less: ±1/16" (1.6 mm)
  • When Outer Diameter is over 24": ±1/8" (3.2 mm)
(D)(Inner Diameter)
  • 10 Inches and smaller: ±1/32" (0.8 in mm)
  • 12 Inches thru 18": +1/8" (3.2 in mm)
  • 20 Inches and larger: -1/16" (1.6 in mm)
(B) Contact Face
  • 1/16" (RF): ±1/32" (0.8 mm)
  • 1/4" (RF), Tongue And Groove (male And female): ±1/64" (0.4 mm)
(J)Hub At Base Dai.
  • When hub base is 24 inches or smaller: ±1/16" (1.6 millimeter)
  • When hub base is over 24": ±1/8" (3.2 millimeter)
(H)Diameter of hub at point of welding
  • 5 inch or smaller: +3/32" (2.4 mm), -1/32" (0.8 millimeter)
  • 6 inch or larger: +5/32" (4.0 millimeter), -1/32 (0.8 mm)
(P)Drilling
  • (B.C.): ±1/16" (1.6 mm)
  • (B.H.) spacing: ±1/32" (0.8 mm)
 Eccentricity of (bc) with respect to facing
  • 2 1/2" or smaller ±1/32" (0.8 mm) max.
  • 3" or larger ±1/16" (1.6 mm) max.
(C)(W.T.)
  • 18 inch or smaller: ±1/8" (3.2 mm), -0"
  • 20 inch or larger: ±3/16" (4.8 mm), -0"
(K)hub Length
  • 10 Inch or smaller: ±1/16" (1.6 millimeter)
  • 12 Inch or larger: ±1/8" (3.2 millimeter)

LTCS Flange Sizes


Normal Pipe Size

DN

1/2

15

3/4

20

1

25

1 1/4

32

 1 1/2

40

2

50

2 1/2

65

3

80

4

100


A350 Lf2 Flange Dimensions


A350 Lf2 Flange Dimensions
Normal Size Of Steel PipeOuter DaimeterWTRaised Face Daimeter (RF)Daimeter of Hub at BaseTdru Hub LengthFlanges Diameter & Bore Flanges Diameter of (Hub at Bevel)Fillet RadiusDeptd Of Socket
(WNRF)(SORF)/ (NPT) And (SWRF)Lap Joint(SORF)/ (NPT) And (SWRF)Loose For (Lap Joint)
(O)(Q)(R)(X)(Y)(Y)(Y)(W)(B)(H)(r)(Z)
1/23-1/27/161-3/81-3/161-7/85/85/8.88.90.841/83/8
3/43-7/81/21-11/161-1/22-1/165/85/81.091.111.051/87/16
14-1/49/1621-15/162-3/1611/1611/161.361.381.321/81/2
1-1/44-5/85/82-1/22-5/162-1/413/1613/161.701.721.663/169/16
1-1/2511/162-7/82-9/162-7/167/87/81.951.971.901/45/8
263/43-5/83-1/162-1/2112.442.462.385/1611/16
2-1/277/84-1/83-9/162-3/41-1/81-1/82.942.972.885/163/4
37-1/215/1654-1/42-3/41-3/161-3/163.573.603.503/813/16
3-1/28-1/215/165-1/24-13/162-13/161-1/41-1/44.074.104.003/87/8
4915/166-3/165-5/1631-5/161-5/164.574.604.507/1615/16
51015/167.5/166-7/163-1/21-7/161-7/165.665.695.567/1615/16
61118-1/27-9/163-1/21-9/161-9/166.726.756.631/21-1/16
813-1/21-1/810-5/89-11/1641-3/41-3/48.728.758.631/21-1/4
10161-3/1612-3/41241-15/161-15/1610.8810.9210.751/21-5/16
12191-1/41514-3/84-1/22-3/162-3/1612.8812.9212.751/21-9/16
14211-3/816-1/415-3/452-1/43-1/814.1414.1814.001/21-5/8
1623-1/21-7/1618-1/21852-1/23-7/1616.1616.1916.001/21-3/4
18251-9/162119-7/85-1/22-11/163-13/1618.1818.2018.001/21-15/16
2027-1/21-11/1623225-11/162-7/84-1/1620.2020.2520.001/22-1/8
24321-7/827-1/426-1/863-1/44-3/824.2524.2524.001/22-1/2

A350 Flange Material Tensile Strength


ASTM A350 LF2 Flanges Tensile Strength (minimum)
ksi 70–95
MPa 485–655

A350 LF2 Class 1 Flanges Face Types


A350 LF2 Class 1 Flanges Face Types

  • Type A: Flat Face (FF)
  • Type B: Raised Face (RF)
  • Type C: Tongue Face (TF)
  • Type D: Grooved Face (GF)
  • 1Type E: Spigo
  • Type F: Recess
  • Type G: Ring Recess
  • Type H: O-Ring Groove

Torque Values Of LF2 Carbon Steel Flanges


CS Pipe Flange Size InchCS Pipe Flange Size MM(Maximum) Radial Projection
No Deeper Than the Bottom In MillimeterDeeper Than the Bottom In Millimeter
1/2153.01.5
3/4203.01.5
1253.01.5
1 1/4323.01.5
1 1/2403.01.5
2503.01.5
2 1/2653.01.5
3804.51.5
3 1/2906.03.0
41006.03.0
51256.03.0
61506.03.0
82008.04.5
102508.04.5
123008.04.5
143508.04.5
1640010.04.5
1845012.06.0

Gasket For A350 LF2 CL2 Flanges


Gasket For A350 LF2 CL2 Flanges
(Normal Size Of Steel Pipes) In Inch(I.D.) Inner Daimeter Gasket
(O.D.) Outer Daimeter Gasket
Class 150#/ LB Class 300#/ LB Class 400#/ LB Class 600#/ LB Class 900#/ LB
1/20.841.8752.1252.1252.1252.50
3/41.062.252.6252.6252.6252.75
11.312.6252.8752.8752.8753.125
1 1/41.6633.253.253.253.50
1 1/21.913.3753.753.753.753.875
22.384.1254.3754.3754.3755.625
2 1/22.884.8755.1255.1255.1256.50
33.505.3755.8755.8755.8756.625
44.506.8757.1257.007.6258.125
55.567.758.508.3759.509.75
66.628.759.8759.7510.5011.375
88.621112.12512.0012.62514.125
1010.7513.37514.2514.12515.7517.125
1212.7516.12516.62516.5018.0019.625

SA 350 LF2 Flanges Bolts Chart


SA 350 LF2 Flanges Bolts Chart
SA 350 LF2 Flanges Bolts Chart

Marking On ASTM A350 LF2 Flanges


Marking On ASTM A350 LF2 Flanges
  • size
  • item
  • specification and number
  • pressure rating, with unit
  • OD
  • WT, with unit
  • bore when applicable
  • std schedule when applicable,
  • material specification
  • 4"
  • FLANGE
  • WNRF
  • ASME B16.5 300#
  • 6" OD x 0.250"
  • 152.4 Unit
  • Bore 15.500"
  • SCH 120
  • ASTM A350 LF2 Class 2

Forging Process Of SA350 LF2 Class 1 Pipe Flange


Forging Process Of SA350 LF2 Class 1 Pipe Flange

ASTM A350 LF2 Flanges Benefits


ASTM A350 LF2 Flanges Benefits

A350 Flange Material Melting Point


ASTM A350 LF2 Flanges Melting Point
(Deg F) 2740