Welcome to Maduka Metals, your trusted partner for robust manufacturing and construction materials right here in Abuja. We take pride in supplying high-quality products that meet the demanding needs of Nigeria’s growing industries. Our Carbon Steel Spring Bar Rod is a perfect example of this commitment, offering a reliable and versatile solution designed for strength and durability in a wide range of applications, from major construction projects to intricate manufacturing tasks.
This specific bar rod is crafted from high-carbon steel, a composition known for its exceptional strength. Through a carefully controlled manufacturing process, it achieves superior mechanical properties, including high tensile strength and excellent yield points. This means it can withstand significant stress and return to its original shape, a key characteristic known as resilience, which is essential for components that are constantly under load and require a dependable spring-back action.
|
Steel Grade |
C |
Mn |
Si |
P |
S |
Cr |
Ni |
B |
Cu |
Mo |
V |
|---|---|---|---|---|---|---|---|---|---|---|---|
|
55 |
0.52-0.60 |
0.50-0.80 |
0.17-0.37 |
0.035 max |
0.035 max |
0.25 max |
0.30 max |
/ |
0.25 max |
/ |
/ |
|
65 |
0.62-0.70 |
0.50-0.80 |
0.17-0.37 |
0.035 max |
0.035 max |
0.25 max |
0.25 max |
/ |
0.25 max |
/ |
/ |
|
70 |
0.62-0.75 |
0.50-0.80 |
0.17-0.37 |
0.035 max |
0.035 max |
0.25 max |
0.25 max |
/ |
0.25 max |
/ |
/ |
|
75 |
0.72-0.80 |
0.50-0.80 |
0.17-0.37 |
0.035 max |
0.035 max |
0.25 max |
0.30 max |
/ |
0.25 max |
/ |
/ |
|
85 |
0.95-1.04 |
0.40 max |
0.35 max |
0.025 max |
0.025 max |
/ |
/ |
/ |
/ |
/ |
/ |
|
65Mn |
0.62-0.70 |
0.90-1.20 |
0.17-0.37 |
0.035 max |
0.035 max |
0.25 max |
0.25 max |
/ |
0.25 max |
/ |
/ |
|
60Si2Mn |
0.56-0.64 |
0.70-1.00 |
1.50-2.00 |
0.035 max |
0.035 max |
0.35 max |
0.25 max |
/ |
0.25 max |
/ |
/ |
|
50CrVA |
0.46-0.54 |
0.50-0.80 |
0.17-0.37 |
0.025 max |
0.025 max |
0.80-1.10 |
0.35 max |
/ |
0.25 max |
/ |
0.10-0.20 |
|
55SiCrA |
0.51-0.59 |
0.50-0.80 |
1.20-1.60 |
0.025 max |
0.025 max |
0.50-0.80 |
0.35 max |
/ |
0.25 max |
/ |
/ |
|
60Si2CrA |
0.56-0.64 |
0.40-0.70 |
1.40-1.80 |
0.025 max |
0.025 max |
0.70-1.00 |
0.35 max |
/ |
0.25 max |
/ |
/ |
|
Steel Grade |
Tensile Strength Rm (Mpa) |
Yield Strength Rp0.2 (Mpa) |
Elongation A5 (%) |
Area Reduction Ratio C (%) |
|---|---|---|---|---|
|
65 |
980 min |
785 min |
9 min |
35 min |
|
70 |
1030 min |
835 min |
8 min |
30 min |
|
85 |
1130 min |
980 min |
6 min |
30 min |
|
65Mn |
980 min |
785 min |
8 min |
30 min |
|
60Si2Mn |
1275 min |
1180 min |
5 min |
25 min |
|
50CrVA |
1275 min |
1130 min |
10 min |
40 min |
|
55SiCrA |
1450-1750 |
1300 min |
6 min |
25 min |
|
60Si2CrA |
1765 min |
1570 min |
6 min |
20 min |
When selecting carbon steel spring bars, consider factors like the required strength, durability, and fatigue resistance for the specific application. Also, evaluate the environment's corrosion potential and the bar's ability to retain spring properties over time.
Carbon steel spring bars are generally not suitable for cryogenic applications due to their reduced toughness and brittleness at extremely low temperatures. Materials like stainless steel or special alloys are preferred for such conditions.
Carbon steel spring rods are available in various sizes, typically ranging from 1/4 inch to several inches in diameter, with lengths varying based on application requirements. Custom sizes can be manufactured to meet specific load, stress, or design needs.
You’ll find this bar rod hard at work across many sectors. In construction, it’s essential for reinforcing concrete structures and fabricating security grilles. Manufacturers use it to create durable springs for automotive suspensions and industrial machinery, as well as various tools and agricultural implements. Its combination of strength and flexibility makes it a go-to material for any project that demands a component capable of handling repeated stress without failing, ensuring longevity and safety in its end-use.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Maduka Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Abuja, Nigeria
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