Docol 420HE High Edge Ductility Steel (HE)
Docol 420 high edge ductile steel is the next generation of hot-rolled high-strength low-alloy steel with better local formability, resulting in higher edge ductility and better edge trimming quality.
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- Commodity name: Docol 420HE High Edge Ductility Steel (HE)
Docol 420 high edge ductile steel is the next generation of hot-rolled high-strength low-alloy steel with better local formability, resulting in higher edge ductility and better edge trimming quality.
Docol 420HE High Edge Ductility Steel (HE) 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. It has a variety of advantages including improved edge ductility, local formability, and substantial increases in shear edge quality and hole expansion ratio. Docol 420 high edge ductile steel is produced using a new and tightly controlled method. It has a very fine gold phase structure and is an extremely pure steel that greatly improves local formability while still maintaining good overall formability.
It is suitable for stamping most geometric shapes and performs well in applications where trimming quality affects forming feasibility. Lastly, 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 Most
Small Bend Inner Diameter
420
480-600
18
22
90
0.0xt
Chemical Composition
C
(max %)
Si
(max %)
Mn
(max %)
P
(max %)
S
(max %)
Everything
( %)
Nb
(max %)
V
(max%)
Ti
(max %)
0.10
0.03
1.50
0.025
0.010
0.015
0.09
0.20
0.15
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Docol 420HE High Edge Ductility Steel (HE) - Stock Warehouse

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Docol 420HE High Edge Ductility Steel (HE) - Product Inspection




Tensile Strength Testing Tensile Strength Testing Physical Performance Testing Chemical Composition Testing 



Inspection Hardness Testing Spectral Detection Mechanical Properties -
Docol 420HE High Edge Ductility Steel (HE) - Product Measurement
Thickness measurement Thickness measurement Thickness measurement Thickness measurement Thickness measurement Thickness measurement Thickness measurement Width measurement -
Docol 420HE High Edge Ductility Steel (HE) - Product Packaging

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