SHANDONG LE REN SPECIAL STEEL CO., LTD.
$800-1100 /Metric Ton
| Payment Type: | L/C,T/T,D/P,D/A,D/A |
| Incoterm: | FOB,CFR,CIF,EXW,FCA,CPT,DDP,DDU,Express Delivery |
| Min. Order: | 5 tons Metric Ton |
| Transportation: | Ocean,Land,Air,Express,Express |
| Port: | Qingdao,Shanghai,Tianjin |
Model No.: 4140
Brand: LE REN
Standard: Aisi, Astm, Bs, Din, Gb, Jis
Place Of Origin: China
Production Process: Cold Drawn
Application: Structural Steel Bar, Die Steel Bar, Tool Steel Bar
Whether Alloy: Is Alloy
Special Steel: Cold Heading Steel
Species: Alloy Steel Bar, Carbon Steel Bar
Tolerance: ±1%
Processing Service: Cutting
| Selling Units | : | Metric Ton |
| Single package size | : | 5cm*5cm*20cm |
| Single gross weight | : | 3kg |
| Package Type | : | Carton + Wooden Box |
4140 annealed steel round bar is 4140 steel bar after annealing to get proper 4140 annealed hardness and 4140 annealed machinability to convinient usage. 4140 Annealed Steel Bar we can supply include 4140 hot rolled and annealed steel bar and 4140 cold drawn and annealed steel bar such as 4140 cold drawn and annealed steel round bar, 4140 cold drawn and annealed Steel Square Bar, 4140 cold drawn and annealed Hexagonal Steel Bar etc.
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 after QT:
Tensile Strength: 860MPa min
Yield Strength: 720MPa min
Elongation: 16% min
Reduction of Area: 52% min
Hardness: 35HRC max for 4140 q&t steel. Annealed steel bar hardness: 217HB 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
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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