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  • Sae Astm Aisi 4340 Steel Properties Tolerance Hot Rolled Forged Equivalent - China

    price: 688.00 Dollar US$

    4340 belongs to the American standard high-strength alloy structural steel, which is made of high-quality carbon structural steel by appropriately adding one or more alloying elements (the total content does not exceed 5%).

    ASTM 4340 grade steel is often substituted with European based standards 817M40/EN24 and 1.6511/36CrNiMo4 or Japan based SNCM439 steel.

    You have the detailed data of 4340 steel below.

    1 - SAE 4340 steel Product Details · GB steel number: CN: 40CrNiMoA DIN: 36CrNiMo4 JIS: SNCM439 BS: 816M40 US: AISI/ASTM 4340

    ·keyword: AISI 4340 Steel, 4340 Steel Properties

    · Other Steel Types: 5140 /4140 / 4340 / 4142 / 15CrMo / 6150 / 38CrMoAI / 8620

    ·Usage: It is used as important quenched and tempered parts that require good toughness, high strength and large size, such as heavy machinery and high-load shafts, turbine shafts with a diameter greater than 250mm, helicopter rotor shafts, turbojet engine turbine shafts, blades, high Loaded transmission parts, crankshaft fasteners.

    gears, etc.


    ·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 2 - AISI/ASTM 4340 Chemical Composition C: 0.37-0.44 Si: 0.17-0.37 S:≤0.035 P: ≤0.035

    Mn: 0.50-0.80 Cr: 0.60-0.90 Mo: 0.15-0.25 N: 1.25-1.65 3 - Charateristics 4340 steel offers toughness and high strength inthe heat treated condition, with in round bar 4340 is available fully certified and suitable for applications requiring a quality tensile alloy steel.

    AISI 4340 is commonly supplied quenched and tempered with a hardness of between 24 to 29HRc 4 - 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.

    5 - Customer Photos We warmly welcome new and old customers to establish good and long term relationship with us based on equality and mutual assistance.

    6 - 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.

    7 - Contact us

    Feel free to contact us, we are glad to serve for you.

    Songshun Always Open the Door for You.

    MiKi Zhuo

    Skype/Whatsapp/Wechat: +86-1 8 2 6 9 2 6 0 2 8 3

    ADD: No.

    4 Dongda Street, Shatou, Changan Town, Dongguan City, Guangdong Province, P.R.C China 8 - Our advantage:

    1 - Focus on the steel industry for more than ten years

    2 - Strength factory

    3 - Professional Services

    4 - Ensure quality

    5 - Customized according to customer requirements

    6 - Factory price

    7 - Fast delivery time

    8 - Good after-sales service

    9 - Happy cooperation

    10 - High repurchase rate songshunmoldsteel41404340

    Company Contact:

    • Phone: 076985475596

    • Address: 1st Floor, No. 1, Dongda Fourth Street, Shatou Community, Chang'an Town, Dongguan , Guangdong , China

    • Email: Email

    Published date: April 22, 2022

    • Business Description: Established in 2009,Songshun Steel supplies a wide range of carbon, alloy and tool steel products, including high speed tool steel, cold work tool steel, hot work tool steel, plastic mould steel, engineering steel and machine structural steel etc.

      After more than 10 years development and growing, Songshun Steel becomes one comprehensive special steel factory, stockist and exporter.

      Combined with experienced exporting team and professional technical knowledge, Songshun Steel offers both technical advice and support, as well as global professional steel solution and service.

      Due to satisfactory reliable quality and professional service, Songshun expands our market worldwide, such as Colombia, Chile, Spain, Turkey, Iran, Vietnam, Malaysia ,UAE, Canada, Brazil, Mexico and so on.

      Songshun specialized in Special Steel for almost 20 years.

      We can supply mold steel, high speed steel, alloy steel, free cutting steel and etc.

      Welcome your contact 24 hours a day!!!

      Skype/Whatsapp/We chat: +86-18269260283

      Songshun Tiktok: mikizhuo

      Songshun Facebook: Songshun Steel

      Songshun YouTube: MiKi Zhuo

      songshunmoldsteel414 04340

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