Pm Industries

AISI 4130 Flanges

Specification

Standard AISI 4130 Flanges
Material Available Stainless Steel, Carbon Steel, Alloy Steel, Duplex Steel, Super Duplex Steel, Nickel Alloy, Monel, Inconel, Hastelloy, Copper Nickel, Titanium, Mild Steel, etc.
Custom design As per your drawing
Size range 1/2" (15 NB) to 48" (1200NB) DN10~DN5000
Pressure Rating Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS
Types Threaded,  Plate,  Screwed, Forged.
Supporting material Gasket, Ring Joint, Flange Bolts
Production technique Forged, machined and Heat treated
Pressure Class PN 6 TO PN 100
Coating/Surface Treatment:  Zinc Plated, Anti-rust Paint,  Oil Black Paint, Yellow Transparent, Cold and Hot Dip Galvanized.
Origin Indian / USA / Korean / West Europe / Japan 
European/African/Russian Standard Flanges Available
Test Direct-reading Spectrograph,  X-ray detector,  UItrasonic flaw detector,  Magnetic particle detector,  Hydrostatic testing machine, etc.
Gaskets Types Full Face, Metallic Ring, Flat Ring  Gasket
Marking Standard Name of Manufacturer
Schedule
Type of Flange Facing
Pressure Class
Nominal Pipe Size, etc
Test Certificates
EN 10204/3.1B, NACE MR0103, NACE MR0175
Raw Materials Certificate
100% Radiography Test Report
Third Party Inspection Report, etc

Flange Type Available

Slip on

Weldo

Weld Neck

Tongue Groove

Spectacle Blind

Spade

Threaded Screwed

Square

Ring Type Joint

Ring Spacer

SocketWeld

Reducing

Raised Face

Puddle

Plate

Orifice

Nippo

Male Female

Long Weld Neck

Lap Joint

Equivalent Grades Of AISI 4130 Forged Flanges

STANDARDWERKSTOFF NR.UNSJISBSEN
AISI 41301.7218G41300JIS G4105BS 97025CrMo4

Physical properties of alloy 4130 Lap Joint Flanges

PropertiesMetricImperial
Density7.85 g/cm30.284 lb/in³
Melting point1432°C2610°F

Alloy Steel AISI 4130 Forged Flanges Thermal Properties

PropertiesMetricImperial
Thermal conductivity (100°C)42.7 W/mK296 BTU in/hr.ft2. °F

SAE 4130 Flange Chemical Composition Chart

GradeCarbonManganeseSiliconPhosphorusSulfurIronMolybdenumNickelChromium
AISI 41300.28-0.330.40-0.600.15-0.350.035 maximum0.025 maximum97.3-98.220.15-0.250.50 maximum0.80-1.10

Mechanical Strength of Alloy Steel Aisi 4130 Flanges

DensityElongationMelting PointTensile StrengthYield Strength
7.85 g/cm321.50%1432 ℃560460

Pressure rating of Alloy Steel 4130 60k Blind Flange

Max. Working Pressure2,000 PSI3,000 PSI5,000 PSI10,000 PSI15,000 PSI20,000 PSI
Test Pressure3,000 PSI4,500 PSI7,500 PSI15,000 PSI22,500 PSI30,000 PSI
Product Specification Levels1, 2, 3 & 41, 2, 3 & 41, 2, 3 & 41, 2, 3 & 41, 2, 3 & 41, 2, 3 & 4
API Temperature RatingK (-60 Deg C)K (-60 Deg C)K (-60 Deg C)K (-60 Deg C)K (-60 Deg C)K (-60 Deg C)
ToToToToToTo
Y (+345 Deg C)Y (+345 Deg C)Y (+345 Deg C)Y (+345 Deg C)Y (+345 Deg C)Y (+345 Deg C)

Chromoly 4130 Plate Flanges Weight chart

Nominal Pipe SizeDimensionWeight in Kg
Normal Pipe Size
(Inche)
Diameter NominalFlange
Outer Diameter in
MM
Flange
Thickness in MM
Socket WeldWeld NeckBlind
8200342.928.412.117.619.6
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
1/21588.911.20.40.50.4
380190.523.93.94.94.9
24600812.847.886.9115185.0
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
10250406.430.216.52428.6
14350533.435.134.648.458.1
12300482.631.826.236.543.2
16400596.936.644.860.676.1
1845063539.648.968.393.7
20500698.542.961.984.5122.0

Dimension of AISI 4130 Weld Neck Flanges

NPSFlanges ID
(inch)
Flanges OD
(inches)
Alloy Steel Class 150Alloy Steel Class 300Alloy Steel Class 400Alloy Steel Class 600Alloy Steel Class 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

Application

  • Food & Beverage
  • Paper Industry
  • Pharmaceutical
  • Hospital Equipment
  • Textiles
  • Dairy
  • Aircraft
  • Chemicals
  • Others Parts in Machinery

Testing

  • Hydrostatic Test
  • Macro Test
  • Ultra Sonic Test (UT)
  • Micro Test
  • Hardness Test
  • Radiography Test
  • Pitting Resistance Test
  • PMI Testing
  • Mechanical Testing
  • X-ray detector

Packing

  • Wooden Boxes
  • Shrink-Wrapped
  • Carton Boxes
  • Wooden Crates
  • Wooden Pallets
Flange Packaging

Stainless Steel Flanges

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