AISI 4130 Pipes

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AISI 4130 Pipes Specification

Application
Oil & Gas Industry, Aircraft, Automotive, Construction, Petrochemical

Connection
Welded, Seamless

Surface Finish
Polished

Tolerance
0.05 mm

End Protector
Plastic Caps

Product Type
AISI 4130 Pipes

Material
Chromium Molybdenum Steel (AISI 4130)

Section Shape
Round

Standard
ASTM A519, API 5L, DIN EN 10210

Technique
Cold Drawn, Hot Rolled

Surface Treatment
Oiled, Annealed, Pickling

Alloy or Not
Alloy

Outer Diameter
10 mm - 273 mm

Thickness
1 mm - 25 mm

Size
Custom & Standard Sizes Available

Length
Single Random, Double Random, or Cut Lengths up to 12 meters

About AISI 4130 Pipes

What Are Specification AISI 4130 Pipes?

AISI 4130 Pipe Standard	AISI 4130, SAE 4130, A519:1008, 1010, 1020, 1026, 1035, 1045, 1050, 1518, 1524, 4118, 4130, 4135, 4140, 4142, 5115, 5120, 5140, 52100
AMS	AMS-T-6736, 4130
Surface treatment	ASTM A519-Temporary Coating, Special Coating, Galvanized, immersion oil, lacquer, passivation, phosphating,etc; Or Oil-dip paint black with two plastic caps on each end
AISI 4130 Pipe Size	1/2 NB to 36 NB
Additional Testing	NACE MR 0175, NACE TM0177, NACE TM0284, HIC TEST, SSC TEST, H2 SERVICE, IBR, etc.
Schedules	SCH 40, SCH 80, SCH 160, SCH XS, SCH XXS, All Schedules
AISI 4130 Pipe Origin	European, Japanese, Korean, US, Russian, Indian (Strictly No Chinese Material)
Relevant Test	ASTM A519-Chemical Component Analysis, Mechanical Properties (Ultimate tensile strength,Yield strength,Elongation),Technics Properties(Flattening Test,Flaring Test,Bending Test, Hardness Test,Blow Test,etc), Exterior Size Inspection, Nondestructive electric Test,Hydrostatic Test, magnetic particle testing
AISI 4130 Pipe Tolerance	Cold drawn pipe: +/-0.1mm Cold rolled pipe: +/-0.05mm
Thickness	3-12mm
AISI 4130 Pipe Type	Seamless / ERW / Welded / Fabricated
Available in Form of	Round, Square, Rectangular, Hydraulic Etc.
AISI 4130 Pipe Length	Standard Double & In Cut length also.
AISI 4130 Pipe End	Plain End, Beveled End, Treaded
Specialized in	Large Diameter AISI 4130 Pipe Pipe
Oil machinery steel series	AISI4150M, AISI4140, AISI 4130 etc.
Application	Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service
Applications	Automobile and Bearing Industry, Mechanical and Structral Purpose, Hydraulic and Petrochemical Purpose, etc.
Inspection	Strictly according to the standard requirements and offer the original MTC (EN10204.3.1/3.1B)
Craft	Cold rolled and Cold drawn
Manufacture methods	Cold Finished method or hot finished Method.

Equivalent material Of AISI 4130 Pipes?

Standard/ Grade	UNS	Temper	Specification
AISI 4130 Alloy Steel	UNS G41300	N	MILT6736, AMS6360, AMS6371

Chemical Composition Of AISI 4130 Pipes?

Element	Iron, Fe	Chromium, Cr	Manganese, Mn	Carbon, C	Silicon, Si	Molybdenum, Mo	Sulfur, S	Phosphorous, P
Content (%)	97.03 98.22	0.80 1.10	0.40 0.60	0.280 0.330	0.15 0.30	0.15 0.25	0.040	0.035

Mechanical Properties Of AISI 4130 Pipes?

Density	Melting Point	Yield Strength (0.2%Offset)	Tensile Strength	Elongation
0.28	2580	460 MPa	560 MPa	20 %

Superior Mechanical Properties

AISI 4130 pipes are engineered to deliver high yield and tensile strength, along with reliable elongation and impact values, providing exceptional performance in high-stress environments. The pipes combine strength with ductility, making them suitable for critical structural applications across various sectors.

Versatile Manufacturing Methods

Available in both seamless and welded forms, AISI 4130 pipes are produced using advanced techniques like cold drawing and hot rolling. This flexibility allows for the manufacture of pipes in a wide range of sizes and wall thicknesses, catering to both custom and standard requirements with tight tolerances.

Applications Across Industries

Due to their superior mechanical and chemical properties, AISI 4130 pipes are prominently used in the oil & gas sector, aircraft and automotive manufacturing, petrochemicals, and construction. Their resistance to impact at low temperatures and excellent hardenability make them a preferred choice globally.

FAQs of AISI 4130 Pipes:

Q: How are AISI 4130 pipes typically manufactured?

A: AISI 4130 pipes are manufactured using cold drawn or hot rolled techniques, which can produce both seamless and welded pipes. The choice of method depends on the specific application and size requirements.

Q: What is the main advantage of using AISI 4130 pipes in the oil & gas industry?

A: AISI 4130 pipes are chosen for oil & gas applications due to their high strength, good ductility, and excellent impact resistance even at subzero temperatures, which makes them reliable for transporting fluids under high pressure and in harsh environments.

Q: What are the key mechanical properties of AISI 4130 pipes?

A: These pipes have a minimum yield strength of 435 MPa, minimum tensile strength of 560 MPa, elongation of at least 20%, and an impact value of 42 J at -20C, ensuring both toughness and resilience.

Q: When should I opt for seamless over welded AISI 4130 pipes?

A: Seamless AISI 4130 pipes are preferred for applications requiring uniform strength and higher pressure ratings, whereas welded pipes are often chosen for less critical, cost-sensitive installations.

Q: Where can AISI 4130 pipes be utilized besides oil & gas?

A: Apart from oil & gas, these pipes are widely used in the aircraft, automotive, construction, and petrochemical industries due to their excellent mechanical properties and versatility.

Q: What surface treatments are available for AISI 4130 pipes?

A: AISI 4130 pipes can be supplied with various surface treatments such as polishing, oiled, annealed, or pickled, depending on the desired surface protection and finish.

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