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s10c s20c s35c s45c s55c s60c 20Mn steel price per kg
Hot rolled round steel bars
Hot rolled round steel bars Our company was established in April 2009, specializing in domestic and international steel trade technical services.We have a variety of hot rolled round steels in stock, such as SS400,1020/1045/5140/scr440/4140/scm440/SUP6/SUP9/GCr15etc.In March 2016, the production line of cold-drawing, annealing, normalizing, tempering treatment and finishing lines such as peeling, fine grinding and chamfering were built, equipped with complete experimental equipment and testing equipment to ensure stable product quality.Make use of our strong production capacity, constantly meet the personalized and professional requirements of customers.aisi 413
0 i aisi 4140 certified bar pricedowel pin alloy steeldowel pin alloy steel
Chemical composition
| 20# | 25# | 30# | 35# | 40# | 45# | 50# | 55# | 60# | |
| JIS | S20C | S25C | S30C | S35C | S40C | S45C | S50C | S55C | S60C |
| DIN | C22 | C25 | C30 | C35 | C40 | C45 | C50 | C55 | C60 |
| AISI/SAE | 1020 | 1025 | 1030 | 1035 | 1040 | 1045 | 1050 | 1055 | 1060 |
| C | 0.17-0.23 | 0.22-0.29 | 0.27-0.34 | 0.32-0.39 | 0.37-0.44 | 0.42-0.50 | 0.47-0.50 | 0.52-0.60 | 0.57-0.65 |
| Si | 0.17-0.37 | ||||||||
| Mn | 0.50-0.90 | ||||||||
| S/P | 0.035 | ||||||||
| B | 0.0008-0.003 | ||||||||
Grade comparison
| GB,YB | JIS | DIN(W-Nr.) | BS | |
| Q235A | SS400 | S235JR | A36 | 080A15 |
| Q235B | SS400 | S235JRG2 | A36 | S235JR/S235JRG1/S235JRG2 |
| (S9CK) | CK10(1.1121) | |||
| 10 | S10C | CK10 | 1010 | 040A10 |
| 050A10 | ||||
| 060A10 | ||||
| 20 | S20C | 1020 | 050A20 | |
| S20CK | 060A20 | |||
| 40 | S40C | 1040 | 060A40/080A40/080M40/EN8 | |
| 45 | S45C | C45(1.0503) | 1045 | |
| CK45(1.1191) | ||||
| Cm45(1.1201) | ||||
| 50 | 1050 | 080M50 | ||
| 55 | S55C | C55(1.0535) | 1055 | 070M55 |
| CK55(1.1181) | EN9 | |||
| Cm55(1.1209) | ||||
| 20Mn | 1021 | 080A20 | ||
| 1022 | 070M20 |
details
| Processing | EAF+LF+(VD) |
| Commodity | steel round bar/round steel bar/round bar steel |
| Technique | hot rolled |
| Diameter | 10-310mm |
| Length | canbe required to 3-12m |
| Sizes tolerance | length: +/-100mm,straightless:3mm/m |
| Application | 1) General service industries (petroleum, food, chemical, paper, fertilizer, Fabric, aviation and nuclear) 2) Fluid, gas and oil transport 3) Pressure and heat transmission 4) Construction and ornament 5) Boiler heat exchangers |
| Quality Condition | 1): Straightness: 3mm/m (max) 2): Corner Radius: 3(max) 3): The ends will be end cut or gas cut 4): No cracks on the surface |
| Packing | 1): Paint oil on the surface to protect steel bars from rusting. 2): Bundle packing by Iron Strips. 3): Bundle weight is from 2mt to 3 mt. 4): Two or three tags will be attached on each bundle. |
| MOQ | 5 tons for each sizes |
Our company was established in April 2009, specializing in domestic and international steel trade technical services.In March 2016, the production line of cold-drawing, annealing, normalizing, tempering treatment and finishing lines such as peeling, fine grinding and chamfering were built, equipped with complete experimental equipment and testing equipment to ensure stable product quality.Make use of our strong production capacity, constantly meet the personalized and professional requirements of customers.
QT cold drawing
polishing peeling
The factory is equipped with complete testing equipment and laboratory to ensure the quality of products qualified.

Size testing Surface roughne

Tensile Strength Impact test
Our products are sold to Europe, America, Middle East, Southeast Asia and other countries, all over the world.
4140 steel bar is mainly used to produce high strength stud bolt, threaded rods, wind power bolt, pre-stressed 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.
As a Chinese steel bar professional manufacturer and supplier of more than twenty years, with complete produce and processing facilities, advanced testing equipments and big stock of steel bar, we can supply 4140 steel bar with good quality, competitive price, short delivery time and personalized customization. We welcome old and new customers to inquire to us for technical questions and demands.
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