Docol 500DP Dual Phase Steel (DP)-Shandong Hengding Sheng Steel Co., Ltd.

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Docol 500DP Dual Phase Steel (DP)

Docol 500DP: Docol 500DP dual-phase steel has good formability and weldability and is suitable for automotive safety components such as reinforcements. This steel is subjected to a special heat treatment, which mainly produces a two-phase structure. Ferrite, which can impart formability, represents one phase, while martensite, which is responsible for strength, represents the other phase.

Product Description

Mechanical Properties

Steel Grade	Standard	Plating	Test Direction	Yield Strength Rp0.2 (MPa)	Tensile Strength Rm (MPa)	Extension Rate A80( min%)	Minimum Bend Inner Diameter for 90 ° Bend
Docol CR290Y490T-DP	VDA239- 100:2016	UC, GI, GA*, FR	L	290-380	490-600	24	UC 0.0xtGI, GA, FI0.5xt
Docol CR230Y500T- DL	SSAB	UC	T	230-300	500-600	24	0.0xt
Docol CR290Y500T- DP	SSAB	UC	T	290-370	500-600	20	0.0xt

Chemical Composition

Steel Grade	Plating	C (max %)	Si (max %)	Mn(max %)	P (max %)	S(max %)	Al( %)	Cr Mo(max%)	B(max %)	Nb Title(max %)
Docol CR290Y490T-DP	UC	0.10	0.50	1.00	0.025	0.010	0.015-	-	0.10	-
Docol CR290Y490T-DP	GI,GA,ZA	0.14	0.50	1.80	0.050	0.010	0.015-1.0	1.00	0.15	0.005
Docol CR230Y500T- DL	UC	0.08	0.40	1.80	0.025	0.010	0.015-	-	0.10	-
Docol CR290Y500T- DP	UC	0.10	0.50	1.00	0.025	0.010	0.015-	-	0.10	-

Plating

Plating Type	Plating Grade	Standard	Single-sided coating quality, single-point test (g/m2)	Single side thickness, for reference only(μm)
GI	40/40	VDA239-100	40-60	5.6-8.5
GI	50/50	VDA239-100	50-70	7.0-9.9
GI	60/60	VDA239-100	60-90	8.5-12.7
GI	70/70	VDA239-100	70-100	9.9-14.1
GI	85/85	VDA239-100	85-115	12.0-16.2
GI	115/115	VDA239-100	115-155	16.2-21.8
GA	40/40	VDA239-100	40-60	5.6-8.5
GA	50/50	VDA239-100	50-80	7.0-11.3
ZA	95	As required		7-
ZA	130	As required		10-

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