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Stainless Steel Round Bar Application Material Specification

Writer
STEELTOPIA
Date
24-03-22

Stainless Steel Round Bar


Stainless steel round bars are cylindrical metal bars made of stainless steel, a type of steel alloy with a chromium content of at least 10.5% by mass. These round bars are used in a variety of industries due to their excellent mechanical properties and corrosion resistance.


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1. Composition: Stainless steel round bars are primarily composed of iron, with significant additions of other alloying elements such as chromium, nickel, and molybdenum. The specific composition varies depending on the grade of stainless steel, typically grades 304, 316, and 416. 


2. Chromium: Provides corrosion resistance by forming a passive oxide layer on the surface of steel, protecting it from rust and other forms of corrosion.


3. Nickel: Enhances corrosion resistance and toughness of stainless steel.


4. Other alloying elements: Elements like molybdenum, titanium, and copper can be added to improve specific properties such as strength, machinability, and resistance to pitting corrosion.



Characteristics of stainless steel round bars:


1. Corrosion resistance: Stainless steel exhibits excellent resistance to corrosion, making it suitable for use in harsh environments such as marine, chemical, and food processing industries.


2. High strength: Depending on the grade and heat treatment, stainless steel round bars offer high tensile strength, enabling them to withstand heavy loads and stresses.


3. Heat resistance: Stainless steel maintains its mechanical properties even at high temperatures, making it suitable for applications involving elevated temperatures or thermal cycling.



Applications: Valve shafts, rotating shafts, tableware, kitchen appliances, and various mechanical parts.


Materials: 304 / 316, and many others.


Finishes:


- Polished: A smooth, reflective surface finish achieved through mechanical or electropolishing.


- Brushed: The surface is brushed with an abrasive material to achieve a satin-like finish.


- Annealing: Heat treatment finish to eliminate internal stresses and improve machinability.



(mm)

(kg)

(mm)

(kg)

6

0.224

55

18.83

7

0.305

60

22.41

8

0.399

65

26.3

9

0.504

70

30.502

10

0.622

75

35.015

11

0.753

80

39.84

12

0.896

85

44.975

13

1.052

90

50.422

14

1.22

95

56.181

15

1.4

100

62.25

16

1.593

105

68.631

19

2.247

110

75.323

20

2.49

115

82.326

22

3.012

120

89.64

25

3.89

130

105.203

28

4.88

140

122.01

30

5.602

150

140.063

32

6.374

160

159.361

35

8.067

170

179.904

38

8.994

180

201.691

40

9.96

190

224.724

42

10.98

200

249.002

45

12.605

250

389.065

48

14.342

300

560.254

50

15.562

350

762.588