Contact Platform Support
Help CenterAISI 4140/GB 42CrMo/DIN 1.7225/JIS SCM440 Steel High Wear Resistance Properties
Related Products
-
SAE 4140 Forged High Tensile Alloy Steel Round BarsNegotiableMOQ: 1 Ton -
4140/1.7225/42CD4/708A42 Heat Treat 241HB Hardness SteelNegotiableMOQ: 1 Ton
-
SAE 4140 Steel Best Price Per Pound Free SampleUS$ 500 - 818MOQ: 1 Ton
-
AISI 4140 Steel ｜ High Strength 4140 Pre Hard Steel | 4140 Steel China SupplierNegotiableMOQ: 1 Ton
-
4140 42CrMo Carbon Steel 4130 1.6582 4140 Hot Rolled Steel Flat Bar PlateUS$ 800 - 1500MOQ: 1 Ton
AISI 4140/GB 42CrMo/DIN 1.7225/JIS SCM440 Steel High Wear Resistance Properties
AISI 4140 Product Details
· keyword:aisi 4140,4140 steel,4140 steel properties
· Usage: It is used to manufacture forgings that require higher strength and larger quenched and tempered sections than 35CrMo steel, such as large gears for locomotive traction, supercharger transmission gears, rear axles, connecting rods and spring clips that are heavily loaded, and can also be used for Drill pipe joints and fishing tools for oil wells below 2000m, and can be used for molds of bending machines, etc.
· Other Steel Types:5140 /4140 / 4340 / 4142 / 15CrMo / 6150 / 38CrMoAI / 8620 .....
· Serve:OEM/ODM,Sample free and 24 hours online
· Delivery status:With heat treatment (normalized, annealed or high temperature tempered) or without heat treatment Goods, the delivery status should be specified in the contract
SAE 4140 Steel Equivalent Steel Grade
AISI 4140 Chemical composition
| C | 0.38-0.45% | Cr | 0.90-1.20% |
| Si | 0.17-0.37% | Mo | 0.15-0.25% |
| Mn | 0.50-0.80% | Ni | ≤0.30% |
| P | ≤0.035% | S | ≤0.035% |
4SAE 4140 Mechanical Properties
Tensile Strength |
σb (MPa):≥1080(110) |
| Yield Strength | σS (MPa):≥930(95) |
| Elongation | δ5 (%):≥12 |
| Reduction | ψ (%):≥45 |
| Impact Energy | Akv (J):≥63 |
| Impact Toughness | akv (J/cm2):≥78(8) |
| Annealed Hardness | ≤217HB |
ASTM 4140 Surface Treatment and Heat Treatment
1.Surface Treatment
Plate: Origin Black, Orign cold rolled bright, Machined, Grinded
Bar: Origin Black, Orign cold rolled(drawn) bright, Turned, Peeled, Grinded
2.Heat treatment specification
Heat treatment standard: quenching at 850℃, oil cooling; tempering at 560℃, water cooling, oil cooling;
2.1. Normalizing: Heat the furnace to 900°C~930°C, keep the thickest cross section per inch at this temperature for one hour, and cool in air.
2.2. Heat to austenitizing at a temperature of 860 ° C ~ 885 ° C, and keep the thickest cross section per inch at this temperature for one hour
2.3. Normalizing or oil quenching, and cooling to a maximum temperature of 121°C
2.4. Temper at a temperature that achieves the following mechanical properties. The thickest cross-section per inch is held for one hour at the tempering temperature. The tempering temperature range is 640℃~680℃
2.5. For each heat treatment process, a heat treatment chart must be drawn.
4140 Steel Applications
It is used to manufacture forgings that require higher strength and larger quenched and tempered sections than 35CrMo steel, such as large gears for locomotive traction, supercharger transmission gears, rear axles, connecting rods and spring clips that are heavily loaded, and can also be used for Drill pipe joints and fishing tools for oil wells below 2000m, and can be used for molds of bending machines, etc.
G41400 Steel Product Photo
Company Introduction
Dongguan Songshun Mould Steel Co., Ltd. is an Indusrtial and trading company with 2 warehouses that manufactures good & high quality kinds of steels starting from 2012. The company provides the customized products and OEM service. What´s more, we keep the mass stock of over 20000 tons. In those years, we offer
a wide range of steels to our customers from all over the world. And we enjoy high praise among them.
Customer Photos
We warmly welcome new and old customers to establish good and long term relationship with us based on equality and mutual assistance.
Certifications
Product packaging
FAQ
Q:Are you a factory or a trading company?
A: The fact is that we are a company. We have own factory and several warehouses. Under the trend of globalization of the world, we established a professional foreign trade department to change the world.
Q: What is your delivery date?
A: The delivery date is about 10-30 days after receipt of payment.
Q: Can I get some samples?
A: We are honored to offer you samples.
Q: What port do you usually ship from?
A: We have 3 common ports,Tianjin, Shanghai and Shen.
Q: What is the payment terms?
A: T/T is our priority, L/C is also OK for us.
Contact us
Feel free to contact us,we are glad to serve for you.
Songshun Always Open the Door for You.
MiKi Zhuo
ADD:No.4 Dongda Street, Shatou, Changan Town, Dongguan City, Guangdong Province, P.R.C China
For more 4140 steel product information, please click this link:
https://img13.fr-trading.com/2194011-4140-Steel-Bar
Send Inquiry to This Supplier
You May Also Like
-
Good Hardenability SAE 4140 Steel Properties Good Heat Resistance 4140 Chromoly SteelNegotiableMOQ: 1 Ton
-
AISI 4140 Steel,4140 Steel Factory Price,ASTM 4140 Steel Price Per KgUS$ 500 - 1500MOQ: 1 Ton
-
4140 Steel Manufacturing | 4140 Steel Manufacturing Company | Aisi 4140 Steel Manufacturing ManufacturerUS$ 869 - 1145MOQ: 1 Ton
-
1.7225 Steel Sheet Plate | Medium Hardenability 1.7225 Steel Sheet Plate FactoryUS$ 1023 - 1500MOQ: 1 Ton
-
AISI 4140/ GB 42CrMo Chromoly Steel High Quality SupplierNegotiableMOQ: 1 Ton
-
SAE 4140 Forged Alloy Steel Flat Bar Factory Price Steel PlateUS$ 800 - 1200MOQ: 1 Ton
-
Custom AISI 4140 Alloy Structural Steel Price Per KgUS$ 500 - 2100MOQ: 1 Ton
-
Good Heat Resistance AISI/ASTM 4140 Steel Round Bar SAE 4140 SteelUS$ 665 - 1800MOQ: 1 Ton
-
Hot Rolled AISI 4140 Alloy Mould Steel/DIN 1.7225 Special Steel BarsNegotiableMOQ: 1 Ton
-
High Hardenability Cold Drawn 4140 Steel Round BarsUS$ 1037.4 - 1037.4MOQ: 1 Ton
