AISI 4140 Flanges Manufacturer and Supplier In Kinshasa, Congo

Easy Installation

Strong Durability

Cost
Effective

Heat Resistance

Excellent Weldability

Corrosion Resistance

Lukies Flanges stands out as a top-notch manufacturer and supplier of AISI 4140 flanges in Midland, providing high-quality alloy steel products tailored for high-performance needs. With state-of-the-art manufacturing facilities and rigorous quality control measures, Lukies Flanges ensures that every precision-engineered flange meets international standards like ASTM, ASME, and ANSI. AISI 4140 flanges are well-known for their remarkable mechanical strength, durability, and resistance to wear and stress. The company caters to various industries, including oil and gas, petrochemical, power generation, and heavy machinery, guaranteeing that each flange delivers outstanding reliability even in high-pressure and high-temperature environments.

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AISI 4140 Blind Flanges

AISI 4140 Slip on Flanges

AISI 4140 Lap Joint Flanges

AISI 4140 flanges are crafted from a chromium-molybdenum alloy steel that contains about 0.38–0.43% carbon, 0.75–1.00% chromium, 0.15–0.25% molybdenum, and 0.75–1.00% manganese. This distinctive alloy mix endows AISI 4140 flanges with remarkable toughness, hardness, and wear resistance. They boast a tensile strength of roughly 655 MPa and a yield strength close to 415 MPa, along with impressive fatigue and impact resistance. The alloy retains its strength even at high temperatures and offers excellent machinability and weldability, making it perfect for heavy-duty industrial applications where reliability, precision, and durability are crucial.

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AISI 4140 Flanges Specification

Size Chart	1/2″ to 48″
Pressure Rating	Class 150, 600, 300, 1500, 900, 2500 LBS
Pressure Calculation in DIN	6/ 16/ 10/ 40/ 25Bar / PN6 PN16 PN10 PN40 PN25 PN64
JIS	5K, 16 K, 10 K, 30 K, 20 K, 63 K, 40 K
UNI	6/ 16/ 10/ 40/ 25Bar
EN	6/ 16/ 10/ 40/ 25Bar
Flange Face Type	Lap-Joint Face, Large Male-Female, Raised Face, Flat Face, Small Tongue, Small Male-Female, Ring Type Joint, Large Tongue & Groove Flanges manufacturer and Supplier
Flanges Marking	All Flanges are marked as follows: Supplier or Manufacturer’s Name, Size, Class, Bore, Dimension, Material, Heat No. Or according to the customer’s request.

AISI 4140 Flanges Chemical Composition

Element	Content
Chromium	0.80 Tp 1.10
Manganese	0.75 Tp 1.0
Silicon	0.15 To 0.30
Carbon	0.380 To 0.430
Molybdenum	0.15 To 0.25
Sulfur	0.040
Phosphorous	0.035
Iron	Balance

AISI 4140 Flanges Mechanical Properties

Properties	Metric	Imperial
Tensile strength	655 MPa	95000 psi
Bulk modulus	140 GPa	20300 ksi
Yield strength	415 MPa	60200 psi
Shear modulus	80 GPa	11600 ksi
Poisson’s ratio	0.27-0.30	0.27-0.30
Elastic modulus	190-210 GPa	27557-30458 ksi
Elongation at break (in 50 mm)	25.70%	25.70%
Hardness, Knoop	219	219
Hardness, Rockwell B	92	92
Hardness, Brinell	197	197
Hardness, Rockwell C	13	13
Machinability	65	65
Hardness, Vickers	207	207

Largest AISI 4140 Flanges Supplier in Kinshasa, Congo

Lukies Flanges, a leading supplier in Kinshasa, Congo, offers an extensive selection of AISI 4140 Flanges, including weld neck flanges, slip-on flanges, blind flanges, threaded flanges, and lap joint flanges. Designed for diverse industrial applications, our high-quality inventory and commitment to exceptional service make us a trusted choice for flange products in the region.

Contact us to get a quick quote for your requirement.

We offer These Flanges as per DIN, ISO, JIS or ANSI Standard.

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AISI 4140 flanges find extensive use in oil and gas refineries, power plants, petrochemical facilities, as well as in the automotive and aerospace sectors. Their exceptional strength and heat resistance make them perfect for connecting pipes, valves, pumps, and pressure vessels that operate under extreme conditions. You’ll often see them in drilling equipment, hydraulic systems, heavy machinery, and high-pressure pipelines. In the automotive and aerospace industries, AISI 4140 flanges are prized for their load-bearing capabilities and resistance to fatigue. Their blend of mechanical strength and durability makes them a go-to choice for demanding applications.

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Types of AISI 4140 Flanges

AISI 4140 RTJ Flanges

AISI 4140 Plate Flanges

AISI 4140 Orifice Flanges

AISI 4140 Weld Neck Flanges

AISI 4140 Socket Weld Flanges

AISI 4140 Threaded Flanges

Are Custom Sizes Available for AISI 4140 Flanges?

Yes, we offer custom sizes for AISI 4140 Flanges to meet specific project needs. Our team at Lukies Flanges is committed to providing tailored solutions for all your requirements. For more details, contact us at sales@lukiesflanges.com.

AISI 4140 Flanges Equivalent Grades

STANDARD	UNS	WERKSTOFF NR.
AISI 4140	G41400	1.7225

Material Testing

We are renowned for delivering products with precise, accurate dimensions. Each product undergoes thorough testing, both destructive and non-destructive, to ensure quality before being shipped to our customers.