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S550Q S550QL S550QL1 High Yield Structural Steel

Prouduct name: S550Q S550QL S550QL1 High Yield Structural Steel

abstract: S550Q S550QL S550QL1 High Yield Structural Steel

Popular in these Categories: High-strength steel plate

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EN 10025-6 S550QL steel sheet Mechanical Properties :

Mechanical Properties

Grade

Thickness

Yield Strength

Tensile Strength

Elongation

Charpy V Notch Impact Test

Degree

Min Value

S550QL

mm

Min Mpa

Mpa

Min %

-40℃

J

5≤t≤50

550

640-820

16%

30

50<t≤100

530

640-820

30

100<t≤150

490

590-770

30

Note: Impact energy for impact test is on longitudinal

S550QL high strength steel Chemical Composition :

Chemical Composition

Grade

The Element Max (%)

C

Si

Mn

P

S

N

B

S550QL

0.22

0.86

1.80

0.025

0.012

0.016

0.006

Cr

Cu

Mo

Nb

Ni

Ti

V

1.60

0.55

0.74

0.07

2.1

0.07

0.14

Carbon Equivalent: CEV=【C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15】%

Thickness, mm

Max CEV based on the ladle analysis

5≤t≤50

0.65%

50<t≤100

0.77%

100<t≤150

0.83%

Λ

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