Alloy Metal Round Bar one.7225/SAE4140 For Machinery Q+T
Solution Introduction
AISI 4140 Steel Bar, Metal Plate, Flats Provider, Stockist and Exporter. AISI SAE 4140 alloy steel is a chromium molybdenum alloy steel specification widely utilised in common goal substantial tensile steel for factors, like axles, shafts, bolts, gears and other purposes. Similar to alloy grade AISI 4130 chrome moly alloy steel but with a slightly higher carbon articles. The greater carbon articles of AISI 4140 metal gives better strength and heat treatment method capabilities in comparison to AISI / ASTM 4130 alloy steels, nonetheless it does have inferior weldability traits.
Equal Grades(figures)
| Place | United states of america | German | British | Japan | China | Australia |
| Regular | ASTM A29 | DIN 17200 | BS 970 | JIS G4105 | GB/T 3077 | AS 1444 |
| Grades | 4140 | 1.7225/ 42crmo4 |
42CrMo4 | SCM440 | 42CrMo | 4140 |
Chemical Composition
| Standard | Grade | C | Mn | P | S | Si | Cr | Mo |
| ASTM A29 | 4140 | .38-.43 | .seventy five-one.00 | .035 | .040 | .15-.35 | .eight-one.10 | .15-.twenty five |
| EN 10250 | 42CrMo4/ 1.7224 |
.38-.forty five | .six-.nine | .035 | .035 | .4 | .nine-one.two | .15-.thirty |
| JIS G4105 | SCM440 | .38-.43 | .60-.85 | .03 | .03 | .15-.35 | .9-one.2 | .fifteen-.30 |
| Mechanical Homes | Metric | Imperial |
| Tensile toughness | 655 MPa | 95000 psi |
| Produce energy | 415 MPa | 60200 psi |
| Bulk modulus (standard for steel) | 140 GPa | 20300 ksi |
| Shear modulus (standard for steel) | 80 GPa | 11600 ksi |
| Elastic modulus | one hundred ninety-210 GPa | 27557-30458 ksi |
| Poisson’s ratio | .27-.thirty | .27-.thirty |
| Elongation at crack (in 50 mm) | 25.70% | 25.70% |
| Hardness, Brinell | 197 | 197 |
| Hardness, Knoop (transformed from Brinell hardness) | 219 | 219 |
| Hardness, Rockwell B (transformed from Brinell hardness) | 92 | ninety two |
| Hardness, Rockwell C (converted from Brinell hardness. Benefit beneath standard HRC assortment, for comparison reasons only) | thirteen | 13 |
| Hardness, Vickers (converted from Brinell hardness) | 207 | 207 |
| Machinability (primarily based on AISI 1212 as 100 machinability) | 65 | 65 |
Forging
Preheat the steel cautiously, warmth to 1150 oC – 1200 oC optimum, keep until finally temperature is uniform throughout the area.
Do not forge below 850 oC.Pursuing forging procedure the operate piece ought to be cooled as slowly and gradually as achievable.
Heat Treatment method
- Annealing
Heat ASTM 4140 steels to 800 oC – 850 oC, maintain right up until temperature is uniform during the segment and great in furnace. - Normalizing
Warmth steel alloy 4140 to 870 oC – 900 oC, hold until temperature is uniform throughout the section, soak for 10 – 15 minutes and great in even now air. - Tempering
Re-heat 4140 quality metal to 550 oC – seven hundred oC as essential, keep until finally temperature is uniform during the section, soak for 1 hour for every 25 mm of part, and great in nonetheless air.
Hardening
AISI alloy 4140 metal bar, plate and sq. can be hardened by chilly functioning, or heating and quenching.
SAE 4140 alloy metal is usually equipped ready heat treated to hardness in 18-22 HRC. If more heat therapy is needed, then warmth to 840 oC – 875 oC, maintain until finally temperature is uniform during the section, soak for 10 – 15 minutes for each twenty five mm area, and quench in oil, water, or polymer as necessary.
Application
ASTM alloy 4140 metal bar, flat or plate content can be utilized for as extensive variety of applications the place higher toughness and use resistance is necessary more than reduce carbon grades. Typical applications for 4140 tool steel uses consist of Factors, Adapters, Arbors,strippers, holder blocks, mildew bases, ejectors, again up and assist tooling, fixtures, jigs, molds, cams, drill collars, Axle Shafts, Bolts, Crankshafts,stubs, couplings, reamer bodies, axles, shafting, piston rods, rams, hydraulic machinery shafts, gears, sprockets, equipment racks, chain backlinks, spindles, instrument bodies, instrument holders, tie rods, Connection Rods, Chuck Bodies, Collets, Conveyor Pins & Rolls, Ejector Pins, Forks, Gears, Information Rods, Hydraulic Shafts & Components,Lathe Spindles, Logging Elements, Milling Spindles, Motor Shafts, Nuts, Pinch Bars, Pinions, Pump Shafts,dull bars,tracks, slides, use strips or areas, forming dies, brake dies, trim dies, bolsters, machinery components and parts, and so forth.
Welcome clients to inquiry AISI 4140 steel bar, plate, flat metal for the 4140 metal price. We are specialist provider and exporter for more than 20 many years. We supply you worldwide solution for aisi alloy 4140 steel bar.
Available Sizes in Stock
| Steel Grade | Diameter(mm) | Length(mm) | Harness(HRC) |
| SCM440/SAE4140 | 16,eighteen,20,23,twenty five,28,thirty,33,35,38,40,forty three,forty five,forty eight,fifty, 55,sixty,sixty five,70,75,eighty,85,90,ninety five,100,one hundred ten,a hundred and twenty,one hundred thirty,one hundred forty, 150,one hundred sixty,a hundred and seventy,a hundred and eighty,190,two hundred,210,220,230,240,250,260, 270,280,290,three hundred,310,320,330,340,350,360,370,380, 390,400,410,420,430,440,450 | 4000-ten thousand | HB160-220 |
Much more Picutres
Workshop
About us :
HK JIMI STEEL Was proven in 2012, situated in the Shunde District of Guangdong Province, It is an import and export buying and selling firm mainly engaged in advanced unique steel, die metal, alloy metal, and metal processing basic machinery and tools. The business adheres to the principle of “substantial quality, large needs and good religion”,
Cooperating with a lot more than 20 well-known metal mills in China, abundant in place stock of goods.
Our business has a selection of processing tools and all varieties of inspection and testing products, these kinds of as horizontal sawing device, vertical sawing equipment, milling device, bilateral milling machine, precision milling machine, airplane grinder and so on. The items with brief creating time, exceptional quality and substantial precision can provide a high-top quality merchandise option for the extensive amount of buyers at residence and abroad.
Our client team unfold all more than the domestic provinces and towns, overseas which includes Europe, the United States, Australia, the Center East, Southeast Asia and other a lot more than twenty nations and regions, alongside with in excess of a hundred prolonged-expression steady cooperation clients…Picking Xingxiong will provide you a much better knowledge.
PLASTIC MOULD Metal: 1.2311, one.2312, one.2738, P20, one.2083, 1.2316, NAK80, P40, 1.2738HH
Hot Work MOULD Metal: one.2344, SKD61, H13, H11, FDAC, 8407
Cold WORL MOULD Metal: SKD11, D3, SKS3, one.2080, one.2379, CR12MOV, O1, D2
STRUCTURAL ALLOY Metal: 4140, 20CR, 40Cr, 35CrMo, 42CrMo, 38CrmoAi, SCM440, SCM420, one.7225
CARBON Metal &: Q235, Gcr15, S45C, S50C, S55C
CNC floor grinding device, CNC aspect uninteresting machine, Band noticed, CNC double head machine, Vertical Band observed, CNC milling device, Double alloy saw blade, wireless distant management crane, Magnetic chuck.
Our Services:
A. Steel plates: Cutting by bandsaw machine, milling, heat treatment, etc
B. Round bars: Cutting by bandsaw machine, peeling, grinding and turned, heat treatment, etc
Stock:
Large-top quality stock for various metal flat bar and spherical bar.
Alloy metal / Chilly perform metal / Hot work metal / Plactic mold steel and Stainless
Very hot sales grade : DC53/ H13 / P20 / SCM440 / Q235,and many others.
For more device and die metal remember to check the listing:
Shipping and delivery Time
one) For plentiful inventory, seven-15 times.
2) For custom-made merchandise, fifteen-30 times.
Loading Information:
FAQ:
Q1: What do you do for the control of the good quality?
A1: Before loading into the container, our merchandise will all be inspected by ultrasonic inspection. Good quality Quality conforms to SEP 1921-eighty four E/e, D/d, C/c as per customer’s ask for.
Q2:: What are your hot-promoting items?
A2: D2/1.2379, H13/one.2344, CR12MOV, DC53, CR8, ample stock for both plates and rounds. Aggressive costs and quick lead-time.
Q3: Can we check out your firm and manufacturing facility?
A3: Of course, warmly welcome! We can guide the hotel for you prior to you appear to China and set up our driver to our airport to choose you up when you come.
This autumn: Are you a manufacturer or just a trader?
A4: We are a group of companies and owned maker bases and buying and selling companies. We specialized in plastic mold steel, sizzling operate mildew metal, chilly work mould steel, alloy steel for mechanical, high-velocity metal, and so on. All resources are of substantial good quality and competitive costs.
Hot income Merchandise:
one.2344 SKD11 D3 DC50