Docol 355HE High Edge Ductility Steel (HE)

Docol 355 high edge ductile steel is a hot-rolled high-strength alloy with superior local formability. It is a pure steel of fine metallographic structure that adopts a new and tightly controlled method.

Product Description


Docol HE is a new range of hot-rolled advanced high-strength steels with greatly improved edge ductility for automotive manufacturers facing production technology challenges. The advantages of Docol HE include improved edge ductility, local formability, and substantial increases in shear edge quality and hole expansion ratio. This reduces scrap, increases cost-efficiency, and enables the development of new and innovative components that take full advantage of the properties of steel. Various chassis components, consoles, seats, as well as driveline parts, clutches are the common automotive parts suitable for Docol 355 high edge ductile steel. Compared with the traditional HSLA grade, this new production method has improved the quality of cutting edges, and the steel can well adapt to the requirements of mold adjustment and wear resistance, so it is suitable for precision blanking.

 

Mechanical Properties

Yield Strength Rp0.2 (MPa)Tensile Strength Rm (MPa)Extension Rate A80( min%)Extension Rate A5( min%)Reaming(% typical)90 ° Bend the MostSmall Bend Inner Diameter
355430-54019231100.0xt

 

Chemical Composition

C (max %)Si (max %)Mn(max %)P (max %)S(max %)Everything( %)Nb(max %)V(max%)Ti(max %)
0.100.031.500.0250.0100.0150.090.200.15

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    • Our Service

    Pre-sale Service

    √1. We provide samples free of charge, but the freight should be paid by the buyer.
    √2. We have full stock,and can deliver within short time.Many styles for your choices.
    √3. OEM and ODM order are accepted, Any kind of logo printing or design are available.
    √4. Good Quality + Factory Price + Quick Response + Reliable Service, is what we are trying best to offer you.
    √5. All of our products are produce by our professional workman and we have our high-work-effect foreign trade team, you can totally believe our service.

    After you choose

    √1. We will count cheapest shipping cost and make invoice to you at once.
    √2. Check quality again, then send out to you at 1-2 working day after your payment
    √3. Email you the tracking no, and help to chase the parcels until it arrive you.

    After-sale choose

    √1. We are very glad that customer give us some suggestion for price and products.
    √2. If any question,please contact with us freely by E-mail or Telephone.

    FAQ

    Q: Can you send samples?

    A: Of course, we can provide customers with free samples and express shipping service to all over of the world.
    Q: What product information do I need to provide?

    A: Please kindly provide the grade, width, thickness, surface treatment requirement should you have and quantities you need to purchase. 

    Q: It's my first time to import steel products, can you help me with it?

    A: Sure,we have agent to arrange the shipment, we will do it together with you.

    Q: What ports of shipment are there?
    A: Under normal circumstances, we ship from Shanghai, Tianjin, Qingdao, Ningbo ports, you can specify other ports according to your needs. 

    Q: What about product prices information?

    A: Prices various according to periodic price changes of raw materials. 

    Q: What is your terms of payment ?

    A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shipment or based on BL copy or LC at sight.

    Q: Do you provide custom made Products service?

    A: Yes,if you have your own design , we can produce according to your specification and drawing.

    Q: What are the certifications for your products?

    A: We have ISO 9001, MTC, third parties’ inspections are all available such SGS, BV ect.

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