This product is manufactured by
DONGIL STEEL
Manufacturer
DONGIL STEEL
Brand
-
SKU
127817
Product Name
Round Bar
Model No.
-
Size
-
Weight
-
Product Details
Usage, Quality of Material, Product Standard
| Product | Grade | Size Range | Applications |
|---|---|---|---|
| Cold Drawn Steel Round Bar | S10C ~ S55C SCM SUJ2 | 6MM ~ 80MM |
Kind and mechanical properties
| Division | Tension strength (kgf/mm2) | Hardness(HRB) | Remark | |
|---|---|---|---|---|
| Rolled steel for general structure | over 45 | over 70 | SS330, SS400, SS490, SS540 | |
| Carbon steel for Machine structure | ~S25C | over 50 | over 75 | S10C, S12C, S15C, S17C, S20C, S25C |
| 30C~ | over 60 | over 85 | S30C, S35C, S38C, S40C, S45C(S) | |
| Alloy steel | Non Heat treatment | over 58 | over 80 | SCr415, SCM415, SUM31 |
| Heat treatment | over 60 | over 85 | SCr435, SCM440, AISI4140 | |
| Spring steel | over 70 | over 90 | SUP 7, 9, 10, 12, SAE9254, 500CrV4 | |
| Bearing steel | over 70 | over 90 | SUJ 1, 2, 3, 4, 5 | |
| Stainless steel | 304 system | over 55 | over 85 | STS 304M, 304HC, 304CS, 304L, T304 |
| 316 system | over 55 | over 85 | STS 316, 316L, T316, T316L | |
| 303 system | over 65 | over 90 | STS 303, 303F, 303C, T303, T303F | |
| 400 system | over 60 | over 87 | STS 410, 416, 420J2, 420F | |
Dimension tolerance
| Diameter(mm) | h7 | h8 | h9 | h10 | h11 | h12 |
|---|---|---|---|---|---|---|
| More than 6.0 below 10.0 | 0 -0.015 | 0 -0.022 | 0 -0.036 | 0 -0.058 | 0 -0.090 | 0 -0.15 |
| More than 10.0 below 18.0 | 0 -0.018 | 0 -0.027 | 0 -0.043 | 0 -0.070 | 0 -0.11 | 0 -0.18 |
| More than 18.0 below 30.0 | 0 -0.021 | 0 -0.033 | 0 -0.052 | 0 -0.084 | 0 -0.13 | 0 -0.21 |
| More than 30.0 below 50.0 | 0 -0.025 | 0 -0.039 | 0 -0.062 | 0 -0.10 | 0 -0.16 | 0 -0.25 |
| More than 50.0 below 80.0 | 0 -0.030 | 0 -0.046 | 0 -0.074 | 0 -0.12 | 0 -0.19 | 0 -0.30 |
Tolerance and Diameter Deviation
| Product Shape | Product Standard(Diameter X Length) | Dimension tolerance Grade Application | ||
|---|---|---|---|---|
| Diameter(mm) | Length(mm) | |||
| CD BAR | Round | ~13.0 | 4,000~6,000 | h9 |
| 13.0~ | 4,000~6,000 | |||
| Hexagon | 12.0~60.0 | 4,000~6,000 | h11 | |
| Square | 8.0~60.0 | 4,000~6,000 | h12 | |
| Diameter Deviation | Within diameter tolerance 30% | |||
Chemicals
| Standard Name | Chemicals and mechanical property |
|---|---|
| Rolled carbon steel for cold - finished steel bars |
|
| Carbon steel for machine structural use |
|
| Structural steel with specified hardenabilith bands |
|
| Chromium steels |
|
| Chromium molybdenum steels |
|
For forty years we, Dongil steel, has produced and supplied basic iron and steel products kile Channel, round bar and steel round bar for all the industries.
Also, we contributed greatly to the economic development of Korea by exporting those products to USA, South-East and Middle East Asian countries.
Moreover, we continuously make every effort to develop a new product for our customers' satisfaction and promise our utmost effort on 'Quality satisfaction and that we will never stop or neglect the make Dongil Steel as the with ins 'Technique Quality' and 'Reputation'.
Once again, welcome to visit Dongil steel and we appreciate for your encouragement.
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ⓒ2025 Komarine Inc. All rights reserved.