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Round steel V1

2 year ago
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Product details
Product Description

Round steel is a long, solid steel bar with a circular cross-section. Its specifications are expressed in diameter, unit mm (mm), such as "50mm" which means the diameter of 50mm round steel.

Round steel is classified as hot rolled, forged, and cold drawn. Hot rolled round steel is 5.5-250 mm in size. Among them: 5.5-25 mm small round steel mostly to straight strips into bundles of supply, commonly used for reinforcing bars, bolts, and various mechanical parts; Round steel larger than 25 mm, mainly used in the manufacture of machine parts, seamless steel pipe billet, etc.

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Round steel specification sheet
material specification material specification
8#-10# 16-290 65Mn 40-300
153 14-150 45Mn2 18-75
20# 8-480 60Si2Mn 16-150
35# 8-480 20CrMnTi 10-480
45# 6.5-480 20CeMnTiB 16-75
Q235B 6.5-180 GCr15 16-400
40Cr 8-480 ML35 8-150
20Cr 10-480 T8-T13 8-480
42CrMo 12-480 Cr12 16-300
35CrMo 12-480 Cr12MoV 16-300
20CrMo 12-300 3Cr2W8V 16-300
38CrMoAl 20-300 45Cr50Cr 20-300
5CrMnMo 20-450 20CrMnMo 20-300
16Mn(Q345B) 14-365 40Mn2 28-60
50Mn 40-200 35Cr 55
12CrMo 212475 15Mn 32170
25# 16-820 40CrMnMo 80160
YF45MnV 28-80 20CrMnMo 20-300
30# 6.5-480 27SiMn 20-350
30CrMo ∮28-80 Crwmn 20-300
30CrMoTi 16-300 H13(4Cr5MoSiVi) 20-300
60# 210260 40CrNiMo 20-400
Round steel theory weight scale
Round steel diameter[(d)(model)] Theoretical weight(kg/m) Round steel diameter[(d)(model)] Theoretical weight(kg/m)
5.5 0.186 13 1.04
6 0.222 14 1.21
6.5 0.26 15 1.39
7 0.302 16 1.58
8 0.395 17 1.78
9 0.499 18 2
10 0.617 19 2.23
* 11 0.746 20 2.47
12 0.888 21 2.72
22 2.98 63 24.5
* 23 3.26 * 65 26
24 3.55 * 68 28.5
25 3.85 70 30.2
26 4.17 75 34.7
* 27 4.49 80 39.5
28 4.83 85 44.5
* 29 5.18 90 49.9
30 5.55 95 55.6
* 31 5.92 100 61.7
32 6.31 105 68
* 33 6.71 110 74.6
34 7.13 115 81.5
* 35 7.55 120 88.8
36 7.99 125 96.3
38 8.9 130 104
40 9.86 140 121
42 10.9 150 139
45 12.5 160 158
48 14.2 170 178
50 15.4 180 200
53 17.3 190 223
* 55 18.6 200 247
65 19.3 220 298
* 58 20.7 250 385
60 22.2
Theoretical weight calculation formula of round steel: outer diameter × outer diameter ×0.00617=kg/m
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Product Features

The difference between round steel and other steel bars:

1, The appearance is not the same: The round steel appearance is round, with no lines and no ribs, the surface appearance of other steel bars is engraved or ribbed, so that the adhesion of round steel and concrete is small, and the adhesion of other steel bars and concrete is large.

2, The composition is not the same: Round steel (first-grade steel) belongs to ordinary mild steel, and other steel bars are alloy steel.

3, The strength is not the same: The strength of round steel is low, and the strength of other steel is high, that is, the diameter of the same round steel compared with other steel bars, round steel can withstand the tension is smaller than other steel bars, but the plasticity of the round steel is stronger than other steel bars, that is, the round steel has a larger deformation before being pulled off, and the deformation of other steel bars is much smaller before being pulled off.

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Application fields

Small round steel with a diameter of 5.5-25mm is generally supplied in bundles. Small round steel is commonly used for reinforcing bars, bolts, and various mechanical parts. Generally, round steel with a diameter greater than 25mm is mainly used for manufacturing mechanical equipment, parts, and tube billets of seamless steel pipes.

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Company Introduction

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Our advantages:

1. We are a specialized supplier of steel materials, and can provide a reasonable price!
2. We have more than 20 years of experience in exporting products to worldwide countries, and can provide high-quality products!
3. We have five thousand tons of stock in warehouses with abundant capital. Furthermore, we offer charge sales, credit, and 7-day 24-hour services.
4. Wide excellent experiences with after-sale service.
5. Every process will be checked by the responsible QC which insures every product's quality.
6. Professional packing teams which keep every packing safe.
7. Trial order can be done in one week.
8. Samples can be provided as per your requirements.

Other products:
Seamless Stainless Steel Pipe, Galvanized Coil, Aluminum Alloy Pipe, 304 Stainless Steel Round Rod, 316 Stainless Steel Rod, 316 Stainless Steel Round Rod, Astm Stainless Steel Bar, Copper, Mirror Stainless Steel Round Bar, etc.
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