High Tensile Hot Rolled SAE4140 / SCM440 / 1.7225 Mold Steel Plate

SAE4140 mold steel plate is an alloy structural steel, it has good machinability, processing deformation is small, 4140 alloy structural steel fatigue resistance is quite good, is a medium hardenability steel.

After heat treatment, it has good strength and good mechanical properties, good workmanship, high yield.

The maximum temperature is 427 degrees Celsius.

Equivalent grades

Chemical Composition(%)

Feature

1. High strength

2. High hardenability

3. Good toughness,

4. Small deformation during quenching,

5. High creep strength and long-lasting strength at high temperatures.

Applications

Used in the manufacture of high strength, large cross-section forgings such as supercharger transmission gear,rear axle, hummar shank etc.

Recommend heat treatment

Available size(mm)

Mechanical Properties:

Tensile strength:σb (MPa): ≥1080(110)
Yield strength:σs (MPa): ≥930(95)
Elongation:δ5 (%): ≥12
Section shrinkage:ψ (%): ≥45
Impact work:Akv (J): ≥63
Impact toughness value:αkv (J/cm²): ≥78(8)

Standards and Practices:

Bars & Forgings – To comply with all requirements of the latest edition of the Standards of the Society of Automotive Engineers for SAE 4140 steel.

Plates – To comply with all requirements of the latest edition of the Steel Products Manual of the Iron and Steel Society of AIME, for 4140 alloy steel plate.

Our Advantages

• We are a stockist who have a lot of stocks all the time, we can arrange fast shipment
• All products 100% pass UT test before the shipment.
• The 3^rd party inspection is accept.
• Low MOQ request
• TT, LC payment are both accepted
• High quality, you won’t have any quality problems

We are here waiting for a cooperation chance between us, contact us today then you will get one more chance to find a loyal Hot Rolled Alloy Steel supplier!

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Guangzhou ChangFeng Steel Co., Ltd. is a professional special steel company, which specialized in exporting mould steel products based in China.With twenty years experience in special steel industry, our main products are Plastic Mould Steel, Hot Work Mould Steel, Cold Work Mould Steel, Alloy Structural Steel, Tool Steel, Stainless Steel, Carbon Steel and Forged Block.

To ensure provide high quality products to customers, we have close cooperation with many Chinese first class special steel enterprises, including Baosteel Group, Dongbei Special Steel, Changcheng Special Steel, Hongsheng Heavy Industry, Xingcheng Special Steel, Daye Special Steel. We have thousand tons of stock materials in our own factory and also can provide processing services to customers. We are full of export experience for many years, the product covers America, Germany, France, Italy, Turkey, Singapore, Thailand, Malaysia, Vietnam, Taiwan, and Middle-East.

After years of development, the company has established a complete quality management and export service system. We have a group of experienced and competent elites and is capable of offering the best service to clients. Our company equips with large-sized Vertical saw machines, Horizontal saw machines, Milling machines, Grinding machines and other advanced equipments to provide customers with cutting and other processing services. All the products should be inspected the metallographic analysis, hardness, ultrasonic flaw detection and other strict inspection processes, which meet the standards of DIN, AISI, JIS and GB to ensure their function and quality.

Our company keeps the principle of “sincerely cooperation, endless striving for perfection”. We desire to establish the long-term mutual beneficial and win-win relationship with clients all over the world.