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Kalikund Steel & Engineering Company (KSEC) is a renowned manufacturer, supplier, and distributor of AISI 4130 Round Bars. A round bar is a long, cylindrical metal bar having many industrial and commercial applications. The AISI 4130 Round Bars are available in various metal types including Hot-Rolled Steel, Cold-Rolled Steel, Stainless Steel, aluminum and more. Besides round bars, these steel bars also come in different shapes, for example, hexagonal bars, threaded bars, hollow bars, flat bars, and so on as per the business needs. Due to its good weld ability and high temperature resistivity, AISI 4130 Round Bar is used in manufacturing of Choke & Kill, manifolds including Control Panel, Mud Manifolds, cement manifolds, and Mud / Gas Separator. The sizes ranges of AISI 4130 Round Bars is from 5mm and all the way up to 500mm. The standard diameters range from 0.1 mm to 100 mm.



AISI 4130 is a low alloyed, tempered and hardened steel and so it is used for Oil Exploration, Oil & Gas drilling, Deep Water riser system, Rig Projects and High Pressure Jobs and many more. AISI 4130 Round bar is a versatile grade with good atmospheric and corrosion resistance and exhibit good strength up to 315 Degree Celsius. It also shows overall toughness and fatigue strength. At Kalikund Steel & Engineering Company (KSEC) we manufacture the best quality products and guarantee customer satisfaction with our constant innovation and adapting to new technologies.

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AISI 4130 Round Bars Specification

Size : 5 mm To 500 mm and as per client design

Thickness :Schedule 80, XS, 120, 160, XXS, higher thickness as per client requirement.

Pressure :7.5K, 10K, 15K, 22.5K and more as per client drawing and requirement.

Form : Bright Bar, Hex Bar, Square Bar, Rectangular Bar, Flat Bars, Polished Bar, Threaded Bar.

Delivery Condition : Annealed, Normalized, Stress Relieved, Quenched & Tempered.

Product Specification Level (PSL) : PSL 1, PSL 2, PSL 3.

Supplementary Requirement : NACE MR0175 / MR0103 ISO 3183 / NACE TM0284 YS - MIN 85,000, UTS - 1,10,000 WITHSTANDING 15,000 PRESSURE.



AISI 4130 Round Bars Equivalent Grades

STANDARD UNS WERKSTOFF NR. AFNOR EN JIS BS GOST
AISI 4130 G41300 1.7218 - 25CrMo4 JIS G4105 BS 970 -

Chemical Composition of AISI 4130 Round Bars

Grade Ni C Mo Mn Si Fe Cu S P Cr
AISI 4130 0.50 max 0.28-0.33 0.15-0.25 0.40-0.60 0.15-0.35 97.3-98.22 - 0.025 MAX 0.035 MAX 0.80-1.10

Mechanical Properties of AISI 4130 Round Bars

Density Melting Point Yield Strength (0.2%Offset) Tensile Strength Elongation
7.85g/cm3 1432 C 460 MPa 560 MPa 21.50 %

AISI 4130 Round Bars

AISI 4130 Round Bars

Alloy Steel 4130 Round Bars

ANSI B16.9 4130 Round Bars


Price Of AISI 4130 Round Bars


Export Countries

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