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Alloy Steel Flat Bar 8620

FOB Price: US $200 - 600 / Ton Get Latest Price
Min.Order Quantity: 20 Ton/Tons small quantity is also acceptable
Supply Ability: 500000 Ton/Tons per Month we can produce according to your requests
Port: shenzhen
Payment Terms: L/C,T/T
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Quick Details

Place of Origin:
Guangdong China (Mainland)
Brand Name:
Model Number:
tool steel
Hot Rolled
Special Use:
Mold Steel

Packaging & Delivery

Packaging Detail: in bulk
Delivery Detail: within 5-7 days


Alloy Steel Flat Bar 8620
SAE 4140/DIN 1.7225/42CrMo4
SAE 4340/DIN1.6511/40CrNiMo
SAE 8620/DIN 1.6523/20CrNiMo

Alloy Steel Flat Bar 8620

1) SAE 4140/DIN 1.7225/42CrMo4
SAE 4340/DIN 1.6511/40CrNiMo
SAE 8620/DIN 1.6523/20CrNiMo


2) Chemical composition of alloy steel plate4140:

C:0.38~0.45   Si:≤0.40   Mn:0.60~0.90   S:≤0.035  P:≤0.035 Cr:0.90~1.20 Ni:≤0.030      Cu:≤0.030  Mo:0.15~0.30 

 Chemical composition of alloy steel plate4340:

C:0.38~0.43 Si:0.15~0.35 Mn:0.60~0.90 S:≤0.040 P:≤0.035 Cr:0.60~0.90 Ni:1.65~2.00 Cu:≤0.025 Mo:0.20~0.30

 Chemical composition of alloy steel plate8620:

C :0.18~0.23 Si:0.15~0.35 Mn:0.70~0.90 S:≤0.035 P:≤0.035 Cr:0.40~0.60 Ni:0.40~0.70 Cu:≤0.030 Mo:0.15~0.25


3.Process:  EAF + LF + VD + Heat Treatment (optional)


4)Delivery condition: Hot-rolled,black surface


5.Technical Data of alloy steel plate 4140,4340,8620: According to the customer's requirement of Chemical Composition, Physical Properties and Mechanical Testing


7.Test: ultrasonic test according to SEP 1921-84 3C/c


8.Material details will be as per agreed technical specifications


9.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.


10.Marking: Heat No. will be cold stamped and Steel grade, diameter (mm), length (mm), and  the manufacturer LOGO and weight (kg) is painted





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Dongguan Bo Yunte Metal Co., Ltd. was established in 1999. Our company is located in Chang'an Town, Dongguan City, Guangdong Province.We are specialized in Mould Steels,Special Steels and Tool Steels,.The main grades of Mould Steels,Special Steels and Tool Steels we deal is as follows

Plastic Mould Steel/Hot Work Die Steel/Cold Work Tool Steel/High Speed Tool Steel/Carbon Structure Steel/Special Steel/Alloy Tool Steel/Bearing Steel/Spring Steel

Since the date of establishment, Dongguan Bo ... View detail

Basic Information

Product/Service (We Sell): Alloy Tool Steel,Tool Die Steel,Special Steel,Mould Steel,Carbon Steel  
Brands: boyunte  
Number of Employees: 101 - 200 People  

Trade & Market

Main Markets: North America
South America
Eastern Europe
Southeast Asia
Mid East
Eastern Asia
Western Europe
Central America
Northern Europe
Southern Europe
South Asia
Domestic Market
Total Annual Sales Volume: Above US$100 Million  
Export Percentage: 71% - 80%  

Factory Information

Number of R&D Staff: 5 - 10 People  
Number of QC Staff: 11 - 20 People  

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Verified Supplier - Dongguan Bo Yunte Metal Co., Ltd.
China (Mainland) | Trading Company | Contact Details
Experience: Established 2009

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Mr. Charlie Cho
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