AISI JIS Round Bar Steel Hot Rolled Forger Tool Steel 40cr S140 SCR440 1.7035/1.7045 41cr4/42g Structural Alloy Steel Bar Machinery Part Steel Material
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Product Details
| Customization: | Available |
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| Standard: | DIN, JIS, AISI, ASTM, GB |
| Technics: | Hot Rolled/Hot Forged |
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Basic Info.
- Model NO.
- 40Cr / S140 / SCr440
- Application
- Structural Steel Bar
- Surface
- Polished
- Alloy
- Alloy
- Special Use
- High-strength Steel Plate, Wear Resistant Steel, Silicon Steel, Cold Heading Steel, Free Cutting Steel, Mold Steel
- Test
- SGS / Ut 100% / Element Testing
- Special
- Cutting Tools, Measuring Tools
- Cusoimized
- Yes / OEM
- Shape
- Round/Plate/Sheet/Flat Bar
- Delivery Condition
- Hot Rolled/ Hot Forged
- Business Way
- Wholesaler and Retail
- Available Steel Shape
- Round Bar/Plate
- Our Service
- Cutting by Bandsaw Machine /Peeling/ Grinding
- Inspection
- 100% Ultrasonic According to The Test Standards:Se
- Matrial
- Alloy Steel SCR440
- Hardness
- Annealing / Pre-Hardness
- Technology
- Ef, Ef/Eaf+Lf+Vd, Ef/Eaf+ESR
- Delivery State
- Anneal
- Tolerance
- +_2mm
- Use
- Machinery Part
- Transport Package
- Wood Brick/ Wirerope
- Specification
- Dia 10~500mm*2500~5000mm
- Trademark
- ISO9000
- Origin
- China
- HS Code
- 7228300000
- Production Capacity
- 3000/Month
Product Description
AISI JIS Round Bar Steel Hot Rolled Forger Tool Steel 40cr S140 Scr440 1.7035/1.7045 41Cr4/42G Structural Alloy Steel Bar machinery part steel material
Characteristics and scope of application
1.International Standard
2.Chemical Composition(Wt%) :3.Available Size(mm) :
4.Product Process:
Electric-Furnace Smelting(EF)→Ladle Furnace(LF)→Vacuum Degassing(VD)→ Argon protected ingot →Multidirectional Forging → (Concave forging →)Normalizing+Hydrogen Diffusion Annealing → Ultrasonic Flaw Detection →Queching+Tempering Prehardened
Characteristics and scope of application
It is the most commonly used alloy structure steel, tensile strength, yield strength, and quenching permeability were more than 40 steel high, but welding Limited, have a tendency to crack formation. Conditioning parts for the more important, such as working under alternating load parts, parts of the medium speed and medium load. After surface quenching can load and high wear resistance without the impact of a large part, such as gear, sleeve, crankshaft, pin.
Heat treatment and metallurgical structure:
Specification of heat treatment: hardening 850ºC, oil cooling; tempering 520 ºC water cooling, oil cooling.
Metallurgical Structure: tempered martensite
1.International Standard
| GB | AISI | JIS |
| 40Cr | S140 | SCr440 |
2.Chemical Composition(Wt%) :3.Available Size(mm) :
| C | Si | Mn | S | P | Cr | Ni | Cu |
| 0.38-0.43 | 0.15-0.35 | 0.60~0.90 | Max 0.03 | Max 0.03 | 0.13-0.16 | Max 0.25 | Max 0.03 |
| Flat Bar Size(mm) | Round bar Size(mm) | |||
| Thickness | Width | Length | Diameter | Length |
| 10-700 | 155-2200 | 2000-6000 | 20-200 | 3000-550 |
4.Product Process:
Electric-Furnace Smelting(EF)→Ladle Furnace(LF)→Vacuum Degassing(VD)→ Argon protected ingot →Multidirectional Forging → (Concave forging →)Normalizing+Hydrogen Diffusion Annealing → Ultrasonic Flaw Detection →Queching+Tempering Prehardened
5. Mechanical Property:
| Tensile strength σb (MPa) |
Yield Strength σs 0.2 (MPa) |
Elongation δ 5 (%) |
specimen size | Reduction of crosssection area ψ (%) |
Hardness (HB) |
| Min 980 | Min 785 | Min 9 | 25mm | Min 45 | Max 207 |
6. About us :
HK JIMI STEEL Was established in 2012, located in the Shunde District of Guangdong Province, It is an import and export trading company mainly engaged in advanced special steel, die steel, alloy steel, and steel processing general machinery and equipment. The company adheres to the concept of "high quality, high requirements and good faith",
Cooperating with more than 20 famous steel mills in China, rich in spot stock of products.
Our company has a variety of processing equipment and all kinds of inspection and testing equipment, such as horizontal sawing machine, vertical sawing machine, milling machine, bilateral milling machine, precision milling machine, plane grinder and so on. The products with short producing time, excellent quality and high precision can provide a high-quality product choice for the vast number of customers at home and abroad.
Our customer group spread all over the domestic provinces and cities, abroad including Europe, the United States, Australia, the Middle East, Southeast Asia and other more than 20 countries and regions, along with over 100 long-term stable cooperation customers...Choosing Xingxiong will bring you a better experience.
PLASTIC MOULD STEEL: 1.2311, 1.2312, 1.2738, P20, 1.2083, 1.2316, NAK80, P40, 1.2738HH
HOT WORK MOULD STEEL: 1.2344, SKD61, H13, H11, FDAC, 8407
COLD WORL MOULD STEEL: SKD11, D3, SKS3, 1.2080, 1.2379, CR12MOV, O1, D2
STRUCTURAL ALLOY STEEL: 4140, 20CR, 40Cr, 35CrMo, 42CrMo, 38CrmoAi, SCM440, SCM420, 1.7225
CARBON STEEL &: Q235, Gcr15, S45C, S50C, S55C
CNC surface grinding machine, NC side boring machine, Band saw, CNC double head machine, Vertical Band saw, CNC milling machine, Double alloy saw blade, wireless remote control crane, Magnetic chuck.
HK JIMI STEEL Was established in 2012, located in the Shunde District of Guangdong Province, It is an import and export trading company mainly engaged in advanced special steel, die steel, alloy steel, and steel processing general machinery and equipment. The company adheres to the concept of "high quality, high requirements and good faith",
Cooperating with more than 20 famous steel mills in China, rich in spot stock of products.
Our company has a variety of processing equipment and all kinds of inspection and testing equipment, such as horizontal sawing machine, vertical sawing machine, milling machine, bilateral milling machine, precision milling machine, plane grinder and so on. The products with short producing time, excellent quality and high precision can provide a high-quality product choice for the vast number of customers at home and abroad.
Our customer group spread all over the domestic provinces and cities, abroad including Europe, the United States, Australia, the Middle East, Southeast Asia and other more than 20 countries and regions, along with over 100 long-term stable cooperation customers...Choosing Xingxiong will bring you a better experience.
PLASTIC MOULD STEEL: 1.2311, 1.2312, 1.2738, P20, 1.2083, 1.2316, NAK80, P40, 1.2738HH
HOT WORK MOULD STEEL: 1.2344, SKD61, H13, H11, FDAC, 8407
COLD WORL MOULD STEEL: SKD11, D3, SKS3, 1.2080, 1.2379, CR12MOV, O1, D2
STRUCTURAL ALLOY STEEL: 4140, 20CR, 40Cr, 35CrMo, 42CrMo, 38CrmoAi, SCM440, SCM420, 1.7225
CARBON STEEL &: Q235, Gcr15, S45C, S50C, S55C
CNC surface grinding machine, NC side boring machine, Band saw, CNC double head machine, Vertical Band saw, CNC milling machine, Double alloy saw blade, wireless remote control crane, Magnetic chuck.
7.Our Service:
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
B. Round bars: Cutting by bandsaw machine, peeling, grinding and turned, heat treatment, etc
8.Application:
Widely used in a die casting mold, hot extruding die, brass casting die, high strength plastic dies, etc.
Widely used in a die casting mold, hot extruding die, brass casting die, high strength plastic dies, etc.
40Cr steel is one of the most widely used steel in the machinery manufacturing industry
9. Stock:
High-quality stock for various steel flat bars and round the bar.
Alloy steel / Cold work steel / Hot work steel / Plactic mold steel and Stainless
Hot sales grade : DC53/ H13 / P20 / SCM440 / Q235,etc.
For more tool and die steel please check the list:
High-quality stock for various steel flat bars and round the bar.
Alloy steel / Cold work steel / Hot work steel / Plactic mold steel and Stainless
Hot sales grade : DC53/ H13 / P20 / SCM440 / Q235,etc.
For more tool and die steel please check the list:
10.Delivery Time
1) For abundant stock, 7-15 days.
2) For customized products, 15-30 days.
Loading Details:
1) For abundant stock, 7-15 days.
2) For customized products, 15-30 days.
Loading Details:
11.FAQ:
Q1: What do you do for the control of the quality?
A1: Before loading into the container, our products will all be inspected by ultrasonic inspection. Quality Grade conforms to SEP 1921-84 E/e, D/d, C/c as per customer's request.
Q2:: What are your hot-selling products?
A2: D2/1.2379, H13/1.2344, CR12MOV, DC53, CR8, abundant stock for both plates and rounds. Competitive prices and short lead-time.
Q3: Can we visit your company and factory?
A3: Yes, warmly welcome! We can book the hotel for you before you come to China and arrange our driver to our airport to pick you up when you come.
Q4: Are you a manufacturer or merely a trader?
A4: We are a group of companies and owned manufacturer bases and trading companies. We specialized in plastic mold steel, hot work mold steel, cold work mold steel, alloy steel for mechanical, high-speed steel, etc. All material is of high quality and competitive prices.
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