aisi 4140 alloy steel round bars

$600≥5Ton

Min. Order:

5 Ton

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Product Description

Product Attributes

Packaging & Delivery

Product Description

Product Attributes

Surface: Bright, Hard Chrome Plated

Packaging & Delivery

Selling Units

Ton

Bright steel bar.mp4

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Product Description

aisi 4140 round bar

Our company is a factory to produce Cold Drawn Steel Bar such as Cold Drawn Steel Round Bar, Cold Drawn Square Steel Bar, cold drawn Flat Steel Bar and cold drawn Hex Steel Bar , heat treated steel bar such as Annealed Steel Bar , Normalized Steel Bar, Quenched And Tempered Steel Bar. One of our major product is aisi 4140 round bar, we can produce aisi 4140 Hot Rolled Steel Round Bar, aisi 4140 Cold Drawn Steel round bar, aisi 4140 Annealed Steel Round Bar and aisi 4140 quenched & tempered steel round bar. aisi 4140 round bar specification is as below:

4140 steel specicification:

1. 4140 equivalent steel material: 42CrMo, 42CrMo4, 4140, scm440, 42cd, as 4140

2. 4140 steel chemical composition: C: 0.38-0.48, Si: 0.15-0.35, Mn: 0.75-1.00, S/P: 0.035 max, Cr: 0.90-1.20, Mo: 0.15-0.25

3. 4140 steel grade: astm a193 grade B7, ISO grade 8.8, 10.9, 12.9, astm f1554 grade 105

4. 4140 steel common mechanical properties:

Tensile Strength: 860MPa min

Yield Strength: 720MPa min

Elongation: 16% min

Reduction of Area: 52% min

Hardness: 35HRC max

5. 4140 steel bar shapes:

4140 round steel bar, 4140 Square Steel Bar , 4140 flat steel bar, 4140 Hexagonal Steel Bar

6. 4140 technical parameters:

A.4140 steel bar diameters: 10mm to 100mm

B. 4140 steel bar diameter tolerance: 0.025 mm min

C. 4140 steel bar length: 100mm min per piece

D. 4140 steel bar length tolerance: +/-1mm

E. 4140 steel bar surface roughness: 0.4um min

F. 4140 steel bar straightness: 0.5mm/m min

G. 4140 steel bar ovality: 75% of diameter tolerance

7. 4140 steel bar applications:

high strength stud bolt, Threaded Rods , wind power bolt, prestressed anchor bolts, post stressed anchor bolt, Steel Tie Rod , tie bar, tension rod, Tension Bar etc. Shaft, axle shaft, crankshaft, shaft for sleeve, linear shaft, pump shaft, rotor shaft, sensor shaft, spline shaft, drive shaft, mandrel shaft, transmission shaft, screw rod etc. CNC machines, precision CNC machines etc. Ejector pins and Ejector rods

Company Overview

Established in April, 2009, SHANDONG LE REN SPECIAL STEEL CO., LTD. is specialized in trading steel products and supplying technical service in domestic and international markets. Through ten years` rich experience, we have forged one professional team.

Adhering to "Beyond customers` expectation, Realizing staff`s dream" philosophy, our company is developing rapidly by supplying customers with good quality products and professional service. In the year 2016, our factory SHANDONG LE SHAN MACHINERY CO., LTD. built cold drawing, peeling, grinding production lines; annealing, normalizing, quenching & tempering heat treatment production lines; chamferring and threads rolling production lines. To guarantee the products quality, we also installed full sets of testing and inspecting machines. All of this urge us to meet the customer`s personalized demands.

Our major products includes cold drawn steel products such as steel bars and profiles, peeled steel bright bars, heat treated steel bars, threaded rods, high strength tie rods, prestressed anchor bolts in wind power industry and high strength anchor bolts.

The current annual productivity is 40000 tons, we aim to build 100000 tons high strength deformed bars and anchor bolts production line. Our products are widely used in machinery components, oil and gas, railways, bridges and mining etc industries. With the service philosophy, advanced production facilities, full sets of test and inspection equipment, we will keep improving to supply customers` better and better quality approved products and service.

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