$500.00
Min. Order : 100 Tons
$300.00
>=200 Tons

S690Q high yield strength quenched and tempered steel S690QL S690QL1 S690QL2 thcikness20mm

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Quick Details

Port: Tianjin/Shanghai/Qingdao
Payment Terms: L/C,T/T,Western Union,MoneyGram
Supply Ability: 1000 Piece/Pieces per Week
Brand Name: WuYang
Special Use: High-strength Steel Plate
Type: steel plate
Place of Origin: Henan China
Length: 20000mm
Surface Treatment: COATED
Grade: S690QL1
Standard: AISI,ASTM,BS,DIN,GB,JIS
Technique: quenching and tempering
Model Number: S690QL1
Width: below 4500mm
Application: machine
Packaging Detail: Woden box or wooden pallet
Shuo Jia Steel Sheet Processing and Marketing Co., Ltd. of Wugang
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S550Q - S690Q high yield strength quenched and tempered steel
1 main use


This kind of products are mainly used in the manufacture of low temperature resistant, high strength of key parts, construction machinery, mining machinery structure, etc.

2 grades and standards

Brand: S550Q, S620Q, S690Q.Execution standard: BS EN10025-04 were disappointed

3 supply technical conditions

3.1 Product specifications: 3.1 6 ~ 100 mm x 100 ~ 100 mm x 6000 ~ 12000 mm

3.2 chemical composition
Table 1 composition of smelting, %

Material

Quality

C

Mn

Si

P

S

all grades

/

≤0.20

≤1.70

≤0.80

≤0.025

≤0.015

L

≤0.020

≤0.010

L1

≤0.020

≤0.010

The largest carbon equivalent and the calculation of the carbon equivalent standard BS EN10025-04 were disappointed
3.3 mechanical properties
Mechanical properties in table 2

 

Material

Yield strength  σ0.2  MPa

Tensible strength σb  MPa

Elongation  δ5  %

V Impact

Lengthways

≥6- 50

>50-100

≥6 -50

>50-100

S550Q

≥550

≥530

640-820

≥16

-20℃  ≥30J

S550QL

-40℃  ≥30J

S550QL1

-60℃  ≥30J

S620Q

≥620

≥580

700-890

≥15

-20℃  ≥30J

S620QL

-40℃  ≥30J

S620QL1

-60℃  ≥30J

S690Q

≥690

≥650

770-940

760-930

≥14

-20℃  ≥30J

S690QL

-40℃  ≥30J

S690QL1

-60℃  ≥30J

3.4 delivery status: quenched and tempered condition


4 steel plate physical quality


Table 3 physical quality

Material

Thickness mm

Yield strength  σ0.2  MPa

Tensible strength σb  MPa

Elongation  δ5  %

Impact

Lengthways,J

S550Q

16

650

780

18

-20℃  214

S550QL

25

630

750

19

-40℃  184

S550QL1

40

615

730

21

-60℃  139

S620Q

16

710

820

17

-20℃  192

S620QL

25

670

790

19

-40℃  136

S620QL1

40

650

780

20

-60℃  140

S690Q

16

810

860

16

-20℃  178

S690QL

25

770

830

17

-40℃  140

S690QL1

40

740

815

19

-60℃  116

        

5 application performance :
The steel grade of this series are widely used in engineering structures, such as bridge steel structure, construction machinery, heavy truck, pressure vessel, etc.

 

 

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