40NiCrMo8-4 Steel Round Bar Properties
Type:Round bar
Delivery condition: Annealed black surface/Turned bright surface/Q+T
40NiCrMo8-4 Steel Round Bar Properties
Are you in search of a high-quality, durable steel product to suit your industrial needs? Look no further than the 40NiCrMo8-4 Steel Round Bar Properties, manufactured and available for wholesale from one of China's leading manufacturers.
Our 40NiCrMo8-4 Steel Round Bar Properties have been expertly crafted from a combination of nickel, chromium, and molybdenum, resulting in a high-strength and high-toughness steel product suitable for a range of industrial applications. This steel product boasts exceptional wear resistance, as well as providing strong mechanical properties at elevated temperatures.
With a composition of 0.37-0.44% carbon, 0.50-0.80% silicon, 0.80-1.10% manganese, 0.90-1.20% chromium, 0.15-0.25% molybdenum, 0.80-1.10% nickel, and 0.035% phosphorus and sulfur, our 40NiCrMo8-4 Steel Round Bar Properties are built to last, withstanding a range of environments and applications.
Notably, our 40NiCrMo8-4 Steel Round Bar Properties exceed the strengths of other standard steels, making them a standout choice for industrial purposes. The steel bars have been precisely machined to maintain their strength and durability while reducing the risk of fractures or cracks, ensuring a prolonged service life.
Another key aspect of our product is the range of sizes and shapes available, making it an ideal option for a variety of industries such as automotive, aerospace, and oil and gas. The steel bars come in various diameters, ranging from 20mm to 600mm, and lengths of up to 6000mm. Whether you require a small or large stock, we've got you covered.
In terms of applications, the 40NiCrMo8-4 Steel Round Bar Properties are ideal for high-load transmission gears, high-performance shafts, and other heavy-duty mechanical components. With its wear resistance and high-strength properties, our steel bars can withstand various demanding conditions, such as high pressure, high temperature, or wear and friction.
Our commitment to quality assurance means that our 40NiCrMo8-4 Steel Round Bar Properties have undergone stringent quality testing measures, including heat treatment tests, ultrasonic testing, and hardness testing, to ensure that our customers receive only the best quality products.
Our team of experts is dedicated to delivering quality products and services to our valued customers. We take pride in our manufacturing processes and strive to deliver consistent, high-quality products to exceed your expectations.
In conclusion, if you are in search of a high-strength, high-toughness steel product to suit your industrial needs, the 40NiCrMo8-4 Steel Round Bar Properties are an ideal choice. With its versatile range of shapes and sizes, exceptional wear resistance, and strong mechanical properties at elevated temperatures, our steel bars are the perfect solution for heavy-duty applications. Our commitment to quality means that our products are consistently robust, reliable and durable, guaranteed to meet your high standards. Contact us today to learn more about our 40NiCrMo8-4 Steel Round Bar Properties, and how we can supply this steel solution for your industrial requirements.
Products Description
40NiCrMo8-4 steel is used as important quenched and tempered parts requiring good toughness, high strength and large size, such as heavy machinery high load shaft, turbine wheel shaft with diameter greater than 250mm, helicopter rotor shaft, turbine shaft, blade, high load transmission parts of turbojet engine, and crankshaft fastener. Gear, etc; It can also be used for rotor shafts and blades with operating temperature exceeding 400 ℃; It can also be used to manufacture important parts with special performance requirements after nitriding, and can be used as ultra-high strength steel after low-temperature tempering or isothermal quenching.
40NiCrMo8-4 Steel Properties
Elongation δ 5 (%)：≥12
Reduction of area ψ (%)：≥55
Impact energy Akv (J): ≥ 78
Impact toughness value α kv (J/cm2)：≥98(10)
Sample size: sample blank size 25mm
Products parameters
|
Equivalent
Steel Grade
|
AISI | NF | JIS | DIN | BS |
| 4340 | 40NCD3 | SNCM439 | 1.6511 | 816M40 |
40NiCrMo8-4 Chemical Composition
| C | 0.38-0.43% | Cr | 0.70-0.90% |
| Si | 0.15-0.35% | Mo | 0.20-0.30% |
| Mn | 0.60-0.80% | Ni | 1.65-2.00% |
| P | ≤0.025% | S | ≤0.025% |
SIZE RANGE:
Round:
Hot Forged: 80mm-1200mm
Flat:
Hot forged: Thickness: 150-600mm Width: up to 1600mm
SURFACE FINISHES:
Black, Peeled(K12), Cold Drawn, Turned & Polished(H10, H11), Precision Ground(H9, H8)
Test: Ultrasonic test according to SEP 1921-84
Certificate of Quality: issued in English, in addition the normal terms, production process, the mechanical property yield strength, tensile strength, elongation and hardness, forged ratio, UT test result, Grain size, heat treatment methods and the sample of is shown on the Certificate of Quality.
Marking: Heat No. will be cold stamped and Steel grade, diameter mm, length mm, and the manufacturer LOGO and weight kg is painted
Product Picture
Our factory
Steel Making
Ingot Production
Forged Bars
Machinary
40NiCrMo8-4 Alloy Steel Heat Treatment
1) Forging
Preheat the steel carefully, then raise the temperature to 1150-1210°C for forging. Do not forge below 850°C. 40NiCrMo8-4 has good forging characteristics but care must be taken when cooling as the steel shows susceptibility to cracking. Cooling in ash or lime after forging is recommended
2)Annealing
Heat the steel slowly to 800-860°C and allow enough time for the steel to be thoroughly heated. Cool slowly in the furnace.
3)Stress Relieving
When components are heavily machined, ground or otherwise subject to cold work, stress relieving will be beneficial prior to hardening.
4)Hardening
40NiCrMo8-4 steel is usually supplied ready heat treated. If further heat treatment is required annealed 40NiCrMo8-4 should be heated slowly to 830-865°C and after adequate soaking at this temperature quench in oil. Temper as soon as the steel reaches room temperature.
5)Tempering
Heat the steel carefully to a suitable temperature selected by reference to a tempering chart or table, soak at the temperature for 2 hours per 25mm of section, then allow to cool in air.
Packing & Delivery
Packing & Delivery
-
The inner size of container is below:
-- 20ft GP: 5.8m(length) x 2.13m(width) x 2.18m(high)
-- 40ft GP: 11.8m(length) x 2.13m(width) x 2.18m(high)
-- 40ft HG: 11.8m(length) x 2.13m(width) x 2.72m(high)
Our Service
1. Competitive price and quality from our own factory .
2. Best service with 24 hour`s reply .
3. Flexible payment with T/T,L/C , etc .
4. Smooth production ability(1000tons/month).
5. Quick delivery and standard exporting package.
Why choose us?
- Our company has gained a reputation for excellent customer service and product quality, making us a trusted supplier of Alloy Steel Bars.
- Since there are many different grades of similar products competing in this market, our 40NiCrMo8-4 Steel Round Bar Properties should be not only good in quality but also fine in appearance.
- Our Alloy Steel Bars are available in various forms, including round bars, flat bars, square bars, and hexagonal bars.
- Our company upholds the business philosophy of 'Customer first' to provide quality service to our customers. May our company and colleagues from all walks of life and distinguished customers work hand in hand to develop together and draw a grand blueprint for the new century.
- Trust us to provide you with Alloy Steel Bar products that are of the highest quality and standards.
- We thinks what customers think, the urgency of urgency to act during the interests of a purchaser position of theory, allowing for much better good quality, lower processing costs, prices are extra reasonable, won the new and old buyers the support and affirmation for Online Exporter for 40NiCrMo8-4 Steel Round Bar Properties.
- We are a reliable supplier of Alloy Steel Bars, and you can count on us for all your needs.
- We firmly believe that technological innovation is the inexhaustible impetus for the sustainable development of our company, and only innovation can seize the first opportunity and win the initiative in the fierce competition.
- Our Alloy Steel Bars are tested for durability, strength, and performance to ensure their suitability for various applications.
- We sincerely welcome friends from the business circles to come to our company for inspection and guidance, for technical cooperation and exchanges. Hope that through exchanges, we can become your trusted choice! It is our honor to cooperate with you!
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