2"FLANGE, BL, FF, CL400LB ASME B16.5, Steel CNC Machining Double Blind Flange,ASTM A350 LF1, THICKNESS 10S

Brand Name:TOBO
Certification:BV/ABS/LR/TUV/DNV/BIS/API/PED
Model Number:ASTM A403 Grade WPS31254
Minimum Order Quantity:0.5-1 tons
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2"FLANGE, BL, FF, CL400LB ASME B16.5, Steel CNC Machining Double Blind Flange,ASTM A350 LF1, THICKNESS 10S


Grades of ASTM A350 Carbon Steel Flanges

ASTM A350 LF1 Flange

The ASTM A350 Grade LF1 Flange is a material specification for carbon and low alloy steel forgings that calls for notch toughness testing on piping components. Forged flanges, fittings, valves, and other forged and machined parts are included. Chemical structure, mechanical properties, and impact tests for notch durability are all covered in this specification.

ASTM A350 LF2 Flange

The ASTM A350 LF2 is a forged carbon/low-alloy steel grade of forged flanges, forged fittings, and forged valves that are intended for low-temperature operation and must pass notch durability inspection. The LF2 steels are divided into two classes: Class 1 and Class 2.

ASTM A350 LF3 Flange

Flanges made to ASTM A350 LF3 requirements can withstand temperatures as low as 150 degrees Fahrenheit (LF3.) These ASTM A350 LF3 Flanges are primarily used in high-energy/high-temperature channeling applications. All ASTM A350 LF3 Flanges are available with either a raised face or a flat face. At ambient temperature, the working pressure for a B16.5 ASTM A350 LF3 Flange is approximately 2.4 times the Flange Class.

Carbon Steel ASTM A350 LF1, LF2, LF3 Flanges Specifications, Sizes

SpecificationsASTM A350 LF2 / ASME SA350
StandardANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.
Size Range1/2″ (15 NB) to 48″ (1200NB) DN10~DN5000, as per Customer Requirements
DimensionsANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
Class / Pressure150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Surfacepickling, annealing, bright, sandblast, hairline
TypeCarbon Steel A350 LF1, LF2 CL1/CL2, LF3 CL1/CL2 WNRF Flanges, Carbon Steel A350 LF1, LF2 CL1/CL2, LF3 CL1/CL2 Blind Flanges, Carbon Steel A350 LF1, LF2 CL1/CL2, LF3 CL1/CL2 Threaded Flanges, Carbon Steel A350 LF1, LF2 CL1/CL2, LF3 CL1/CL2 Slip On Flanges, Carbon Steel A350 LF1, LF2 CL1/CL2, LF3 CL1/CL2 Blind Flanges, Carbon Steel A350 LF1, LF2 CL1/CL2, LF3 CL1/CL2 Lap Joint Flanges
Connection typeRaised Face, Flat Face, Ring Type Joint, Lap-Joint Face, Large Male-Female, Small Male-Female, Large Tongue, Groove, Small Tongue, Groove.
Test CertificatesEN 10204/3.1B, Raw Materials Certificate, 100% Radiography Test Report, Third Party Inspection Report, etc

ASTM A350 LF1 LF2 LF3 Carbon Steel Flanges Chemical Composition

ElementWeight %
Carbon0.08 – 0.15
Silicon0.15 – 0.50
Manganese0.30 – 0.60
Phosphorus0.025 max *
Sulfur0.025 max *
Molybdenum0.90 – 1.10
Chromium2.00 – 2.50
Nickel0.5 max

ASTM A350 LF1 LF2 LF3 Carbon Steel Flanges Mechanical Properties

PropertyValues
Ultimate Tensile Strength *95 min Ksi (655 Mpa)
0.2 % Yield Strength *75 min Ksi (517 Mpa)
Elongation *17 % min
Reduction of Area *35 % min
Charpy Impact Toughness42 mean/ 33 min J at –18o C
Hardness197 – 237 BHN (75 Ksi min)

ASTM A350 LF1 LF2 LF3 Carbon Steel Flanges Related Types

ASTM A350 LF1 LF2 LF3 Carbon Steel FlangesASTM A694 f42 f52 f60 f65 f46 f48 f50 F56 f70 Carbon Steel Flanges
ASTM A182 F202 Stainless Steel FlangesASTM A182 F304 Stainless Steel Flanges Manufacturer in India
ASTM A182 F304L Stainless Steel FlangesASTM A182 F310 Stainless Steel Flanges
ASTM A182 F316 Stainless Steel FlangesASTM A182 F316L Stainless Steel Flanges
ASTM A182 F347 Stainless Steel FlangesASTM A182 F321 Stainless Steel Flanges
ASTM A182 904L Stainless Steel FlangesASTM B564 Inconel 600 Flanges
ASTM B564 Inconel 625 FlangesASTM B564 Hastelloy C22 Flanges
ASTM B564 Hastelloy C276 FlangesASTM B564 Monel 400 Flanges
ASTM B564 Monel K500 FlangesASTM B564 Nickel 200 201 Flanges
Duplex Steel UNS S31803, S32205 FlangesSuper Duplex Steel UNS S32750, S32760 Flanges
ASTM B381 Titanium Gr 2, Gr 5 FlangesASTM B462 Alloy 20 Flanges
ASTM B564 Incoloy 825 FlangesASTM B564 Incoloy 800 800H 800HT Flanges

ASTM A350 LF1 LF2 LF3 Carbon Steel Flanges Dimensions

Nominal Pipe SizeFlanges Inside Diameter (ID)
(inch)
Flanges Outside Diameter (OD)
(inches)
Class 150Class 300Class 400Class 600Class 900
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

ASTM A350 LF1 LF2 LF3 Carbon Steel Flanges Types

ProductSize
A350 LF1, LF2, LF3 LTCS Slip-On FlangesA350 LF1, LF2, LF3 LTCS Threaded Flanges1/2″ – 48″
Raised Face or Flat Face
A350 LF1, LF2, LF3 LTCS Blind FlangesA350 LF1, LF2, LF3 LTCS Reducing Flanges
A350 LF1, LF2, LF3 LTCS Lap Joint FlangesA350 LF1, LF2, LF3 LTCS Plate Flanges
A350 LF1, LF2, LF3 LTCS Weld Neck FlangesA350 LF1, LF2, LF3 LTCS Socket Weld Flanges


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China 2FLANGE, BL, FF, CL400LB ASME B16.5, Steel CNC Machining Double Blind Flange,ASTM A350 LF1, THICKNESS 10S supplier

2"FLANGE, BL, FF, CL400LB ASME B16.5, Steel CNC Machining Double Blind Flange,ASTM A350 LF1, THICKNESS 10S

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