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Hot rolled quality carbon steel strip


The product is characteristic of excellent weldability and hardenability, and can be used for chain and cutting tools manufacturing.

Classification:

Keyword:

Hot rolled quality carbon steel strip

Details Introduction

1. Application and Features

The product is characteristic of excellent weldability and hardenability, and can be used for chain and cutting tools manufacturing.

2. Grades and Standards

Grades :20, 45, 50, 60, 40Mn, 65Mn, S50C, S55C

Standard:GB/T711, JT015-2010, JT017-2010

3. Technical Delivery Conditions

Product specifications

Thickness: 1.2-12.7(mm)

Width: 850-1650(mm)

Delivery conditions

Delivered in hot rolled state.

4. Chemical Composition (Cast analysis) wt%

Grades

C

Mn

Si

S

P

Als

20

0.17-0.23

0.35-0.65

0.17-0.37

≤0.020

≤0.025

≥0.010

45

0.42-0.50

0.50-0.80

0.17-0.37

≤0.020

≤0.025

≥0.020

50

0.47-0.55

0.50-0.80

0.17-0.37

≤0.020

≤0.025

≥0.020

60

0.57-0.65

0.50-0.80

0.17-0.37

≤0.020

≤0.025

≥0.020

40Mn

0.37-0.44

0.70-1.00

0.17-0.37

≤0.020

≤0.025

≥0.020

65Mn

0.62-0.70

0.90-1.20

0.17-0.37

≤0.020

≤0.025

≥0.020

S50C

0.47-0.53

0.60-0.90

0.15-0.35

≤0.020

≤0.025

≥0.020

S55C

0.52-0.58

0.60-0.90

0.15-0.35

≤0.020

≤0.025

≥0.020

5. Mechanical Properties

Grades

R m /MPa

A%

20

≥410

≥28

45

≥600

≥17

50

≥625

≥16

60

≥675

≥12

40Mn

≥590

≥17

65Mn

≥735

≥9

S50C

-

-

S55C

-

-

 

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