AISI 4130, 4140 Manufacturers & Suppliers in India

Tricon Steel & Alloys is a well-known supplier and manufacturer of AISI 4130/4140 Bars, renowned across diverse industries for their exceptional performance. From the rigours of chemical processing and petrochemicals to the exacting standards of pharmaceuticals and beyond, these bars exemplify unparalleled reliability and resilience in pivotal applications.

Table Of Content

AISI 4130 - 4140 Bars Specifications
AISI 4130 - 4140 Bars Equivalent Material
AISI 4130 - 4140 Bars Chemical Composition
AISI 4130 - 4140 Bars Mechanical Properties
Types Of AISI 4130 - 4140 Bars
Application Industries Of AISI 4130 - 4140 Bars

AISI 4130 and 4140 are chromoly (chromium-molybdenum) steel bars renowned for their exceptional strength, toughness, and versatility. AISI 4130 is a low-alloy steel containing chromium and molybdenum, while AISI 4140 contains additional carbon, enhancing its hardness and wear resistance. These bars exhibit remarkable properties, making them highly sought after across various industries.

One of the prominent features of AISI 4130 bars is their excellent strength-to-weight ratio, making them ideal for applications requiring high strength without adding excessive weight. Their exceptional toughness and impact resistance make them suitable for critical components subjected to dynamic loading conditions, such as aircraft structural parts, automotive components, and heavy machinery.

AISI 4130 bars find extensive use in aerospace, automotive, oil and gas, construction, and manufacturing industries. In aerospace, they are employed in aircraft structural components, landing gear, and engine parts due to their lightweight and high-strength characteristics. In the automotive sector, they are used to manufacture crankshafts, gears, and suspension components to withstand high stress and fatigue conditions. Moreover, in the oil and gas industry, these bars are employed in drill collars, downhole tools, and shafts for their excellent performance in corrosive environments and high-pressure applications.

AISI 4140 bars are tested to ensure compliance with industry standards and specific application requirements. Common tests include tensile testing to assess mechanical properties such as yield strength, ultimate tensile strength, and elongation. Hardness testing is performed to evaluate the hardness of the material, which is crucial for determining its resistance to wear and abrasion. Additionally, non-destructive testing methods such as ultrasonic testing and magnetic particle inspection are employed to detect internal flaws and ensure the integrity of the bars.

We also supply AISI 4130 - 4140 Bars at the best price. You can check our latest AISI 4130 - 4140 Bars price list. Contact Tricon Steel & Alloys today for a best offer & competitive quotation Of AISI 4130 - 4140 Bars.

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AISI 4130 - 4140 Bars Specifications

Specifications	AISI/SAE 4130/4140
Dimension Standard	EN, DIN, JIS, ASTM, BS, ASME, AISI
Bar Diameter	3 ~ 800mm
Hex Bar size	2-100mm A/F
Flat bar size	Thickness: 2 -100mm. Width: 10 to 500mm.
Square bar size	4 to 100mm
Rectangular Bars	Size: 33 x 30mm to 295 x 1066mm. Thickness: 3.0 to 12.0mm.
Hollow Bars	32mm OD x 16mm ID to 250mm OD x 200mm ID)
Billet Size	1/2 to 495mm Diameter
Finish	Cold (bright) drawn, centreless ground, hot rolled, smooth turned, peeled, slit rolled edge, hot rolled annealed, Rough Turned, Bright, Polish, Grinding, Centreless Ground & Black
Tolerance	H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients requirements
Bar Surface	Bright, Hot Rolled Pickled, Cold Drawn, Sand Blasting Finished, Polished, Hairline
Rolled Bars Condition	Hardened & tempered, annealed
Cold Rolled Bar Technique	Hot Rolled, Cold Drawn, Cold Rolled, Forged Round Bar, Rod
Form	Round, Rod, T-Bar, Channel Bar, Precision Ground Bar, Flat Bar, Square, Blocks, Round Rod, Rings, Hollow, Triangle, Rectangle, Hex (A/F), Threaded, Half Round Bar, Profiles, Billet, Ingot, I/H Bar, Forging etc.

Types Of AISI 4130 - 4140 Bars

AISI 4130 - 4140 Round Bar

AISI 4130 - 4140 Square Bar

AISI 4130 - 4140 Flat Bar

AISI 4130 - 4140 Hex Bar

AISI 4130 - 4140 Bright Bar

AISI 4130 - 4140 Polished Bar

AISI 4130 - 4140 Threaded Rod

AISI 4130 - 4140 Rectangular Bar

Manufacturing Process of AISI 4130 - 4140 Bars:

Melting

The first step in the process is melting raw materials in an electric furnace. These raw materials are typically iron ore, chromium, nickel, and other elements in exact amounts.

Hot Rolling

After being heated, the billets are shaped into long, thin rods by going through a series of rolling mills. Because the metal is heated above its recrystallization temperature during this operation, it is known as hot rolling.

Pickling

The pickling process is used to the bars in order to eliminate any oxide, scale, or other surface contaminants. Usually, an acid solution is used for this.

Cutting

Lastly, shearing machines or other cutting techniques are used to cut the rods to the required length.

AISI 4130 - 4140 Bars Equivalent Material

STANDARD	UNS	WNR.	JIS	EN
AISI 4130	G41300	1.7218	JIS G4105	25CrMo4

Chemical Composition of AISI 4130 - 4140 Bars:

Grade	C	Mn	Si	P	S	Cr	Mo
4130	0.28-0.33	0.40-0.60	0.15-0.35	0.035	0.040	0.80-1.10	0.15-0.25

Properties of AISI 4130 - 4140 Bars:

Tensile Strength (ksi) min	Elongation (% in 50mm) min	Yield Strength 0.2% Proof (ksi) min
95	20%	60

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