Astm 4340 Steel Equivalent 1 6511 40crnimoa Sncm439 Alloy Round Bar - Chinaprice: 1600.00 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%).
1 - AISI 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 2 - SAE 4340 Equivalent Steel Grade
China GB steel number40CrNiMoA, German DIN steel number 36CrNiMo4, German DIN material number 1.6511, French NF standard 40NCD3, Japanese JIS standard SNCM439, British BS standard 816M40, American AISI/ASTM4340, American UNS standard G43400 3.4340 Alloy Steel Mechanical Properties Tensile Strength
σb (MPa): ≥900(100)
Yield Strength σs (MPa): ≥835(85)
Elongation δ5 (%): ≥12
Reduction ψ (%): ≥55
Impact Energy Akv (J): ≥78
Impact Toughness akv (J/cm2): ≥98(10)
Annealed Hardness ≤269HB 4 - Surface Treatment Plate: Origin Black, Orign cold rolled bright, Machined, Grinded
Bar: Origin Black, Orign cold rolled(drawn) bright, Turned, Peeled, Grinded 5 - Craft Adopt electric furnace, LF furnace, VD furnace, pouring, primary bar / large material opening and rolling process, as well as slow cooling, flaw detection, annealing and other smelting processes 6 - 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 7 - 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.
8 - Customer Photos We warmly welcome new and old customers to establish good and long term relationship with us based on equality and mutual assistance.
9 - 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.
10 - 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 4340 steel product information, please click this link:
- Posted By: Dongguan Songshun Mould Steel Co., Ltd.
- Phone: 076985475596
- Address: 1st Floor, No. 1, Dongda Fourth Street, Shatou Community, Chang'an Town, Dongguan , Guangdong , China
- Website: https://steelpurchase.com/
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
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4140 steel is a kind of alloy structural steel. It belongs to the steel with the American grade equivalent to the 42CrMo grade in my country. This kind of steel belongs to the medium hardenability steel with high yield, good comprehensive mechanical ...
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