Docol 800CP Complex Phase Steel

OVERVIEW

Docol 800CP complex phase steel overview

Docol 800CP is a type of complex phase steel (CP steel for short), which is an important category of high-strength automotive steel. The "800" in its name usually represents the specified minimum tensile strength of 800MPa. It has the characteristics of combining high strength with good formability. In the automotive industry, it can be used to manufacture structural parts and safety parts with strict material performance requirements

Mechanical Properties

Steel Grade

Standard

Plating

Test 

Direction

Yield 

Strength 

Rp0.2 (MPa)

Tensile 

Strength 

Rm (MPa)

Extension

 Rate 

A80( min%)

Extension 

Rate 

A5( min%)

BH2

(Min MPa)

Docol CR

570Y780T-CP

VDA239- 

100:2016

UC*, GI, 

GA*, FOR

L

570-720

780-920

10

-

30

Docol HR

660Y760T-CP

VDA239- 

100:2016

UC, 

Cam tho

L

660-820

760-960

10

13

30

DocolHR

800HER-75

SSAB

UC

L

660-820

760-960

11

14

-

DocolHR

800HER- 100

SSAB

UC

L

660-820

760-960

12

15

-

Docol Roll

800

SSAB

UC

T

660-750

800-950

10

-

-


Chemical Composition

Steel Grade

C

(max %)

Si

(max %)

Mn

(max %)

P

(max %)

S

(max %)

Al

( %)

Nb Title

(max %)

Cr Mo

(max%)

B

(max %)

Cu

(max %)

Docol CR

570Y780T-CP

0.18

1.00

2.50

0.050

0.010

0.015-1.00

0.15

1.00

0.005

0.20

Docol HR

660Y760T-CP

0.18

1.00

2.20

0.050

0.010

0.015-1.2

0.25

1.00

0.005

0.20

DocolHR

800HER- 100

0.18

1.00

2.20

0.050

0.010

0.015-1.2

0.25

1.00

0.005

0.20

DocolHR

800HER-75

0.18

1.00

2.20

0.050

0.010

0.015-1.2

0.25

1.00

0.005

0.20

Docol Roll

800

0.16

0.40

1.80

0.020

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

EG

ZE25/25

EN10152

12

1.7

EG

ZE50/50

EN10152

29

4.1

EG

ZE75/75

EN10152

47

6.6

EG

ZE100/100

EN10152

65

9.1

Analysis of related characteristics and applications of Docol 800CP steel

Material property correlation

From the performance of the same type of complex phase steel (such as CP800), it can be seen that this type of steel usually requires high tensile strength, high hole expansion performance and good welding performance, which is difficult to produce and has a high market entry threshold. Its composition configuration and controlled rolling and controlled cooling process need to be optimized to meet the use requirements such as stamping forming and fatigue strength.

Typical applications in the automotive field

Complex phase steel (CP steel) is mainly used in chassis suspension parts, B-pillars, bumpers, seat rails and other parts in the automotive industry. These parts require materials with both strength and toughness. Combined with the case that CP800 steel can be used in large quantities for key parts such as automobile swing arms, it is speculated that Docol 800CP is also suitable for similar high-strength structural parts, such as chassis reinforcements or safety anti-collision parts.


Classification of high-strength automobile steel and positioning of complex phase steel

1. Main types of high-strength automobile steel

Dual-phase steel (DP steel): used for bottom cross members, anti-collision bars, etc.

Complex phase steel (CP steel): used for chassis suspension parts, B-pillars, etc.

Transformation induced plasticity steel (TRIP steel): used for B-pillar reinforcement plates, front longitudinal beams, etc.

Martensitic steel (MS steel): used for bumpers, door sill reinforcement plates, etc.

2. Technical status of complex phase steel

As the first generation of high-strength automobile steel, complex phase steel has made important contributions to automobile lightweighting, and Docol 800CP, as a complex phase steel of 800MPa level, represents a product with a higher strength level in this category and is suitable for key automobile parts with strict requirements on material properties.

PRODUCT DISPLAY

CERTIFICATE

PACKING

CUSTOMER FEEDBACK

FAQ

Q:Can you send samples? 
A:Of course, we can send samples to all parts of the world, our samples are free, but customers need to bear the courier costs. 
Q:What product information do I need to provide? 
A:You need to provide the grade, width, thickness, coating and the number of tons you need to purchase. 
Q:About product prices? 
A:Prices vary from period to period due to cyclical changes in the price of raw materials. 
Q:What are the certifications for your products? 
A:We have ISO 9001, SGS, EWC and other certifications. 
Q:How long does your delivery time take? 
A:In general, our delivery time is within 7-45 days, and may be delayed if the demand is extremely large or special circumstances occur. 
Q:Can I go to your factory to visit? 
A:Of course, we welcome customers from all over the world to visit our factory. 
Q:Does the product have quality inspection before loading? 
A:Of course, all our products are strictly tested for quality before packaging, and unqualified products will be destroyed. 
Q:How to pack the products? 
A:The inner layer has a waterproof paper outer layer with iron packaging and is fixed with a fumigation wooden pallet. It can effectively protect products from corrosion during ocean transportation. 

INQUIRY

Requiredwrong format
Requiredwrong format
Requiredwrong format
Required

RELATED PRODUCTS

©  Fangge Metal Products (Shandong) Co., Ltd. Rights Reserved