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SM520B
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SM520B

SM520B

SM520B is a high-strength and low-alloy structural steel that offers excellent weldability and improved toughness compared to SM490B. It is commonly used in construction and engineering projects that require superior strength and durability. SM520B also provides good corrosion resistance, making it suitable for various applications in different industries. With its remarkable properties, SM520B is highly regarded as a dependable and versatile material.
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Product Introduction

JIS G3106 SM520B Carbon and Low-alloy High-strength Steel Plate

JIS G3106 SM520B Carbon and Low-alloy High-strength Steel Plate Chemical Composition

Chemical composition % max

Grade

TH(MM)

C

Si

Mn

P

S

SM520B

≤100

0.20_

0.55

1.65

0.035

0.035

 

JIS G3106 SM520B Carbon and Low-alloy High-strength Steel Plate Mechanical Property

SM520B Mechanical properties min

Yield strength (N/mm2)

Tensile strength (N/mm2)

Elongation %

≤16

>16-40

>40-75

>75-100

≤100

≤15

>5-16

>16-50

>40

365

355

335

325

520-640

≥19

≥15

≥19

≥21

 

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