Marcus Metals is the leading manufacturer and supplier based in Midland, UK, which offers good quality metal products and helps with the supply of Carbon Steel Spring Bars and Rods with better strength and performance for applications that require the most demanding. Our carbon steel products are well known for their strength, resistance, and versatility, making them an excellent choice for various uses. Our goal at Marcus Metals is to provide timely, cost-effective solutions tailored to your needs.
Carbon Steel Spring Bars and Rods are composed primarily of carbon, with traces of manganese, silicon, and other elements for added strength. They offer excellent mechanical properties, including high tensile strength, flexibility and resistance to wear. These materials exhibit good spring characteristics, making them ideal for applications requiring high durability and resilience. Advantages include cost-effectiveness, ease of fabrication, superior fatigue resistance and the ability to withstand heavy loads and harsh conditions, ensuring long-lasting performance in various applications.
|
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.
Carbon Steel Spring Bars are used in various applications where strength, flexibility and durability are necessary. They are widely used in springs as well as in manufacturing automotive parts, suspension systems, or precision machinery. Moreover, these materials are used in the manufacture of heavy-duty tools, fasteners and structural supports. However, with high tensile strength and fatigue resistance, they are best suited for use in certain industries, such as construction, engineering and transportation, where reliable performance under stress and wear is critical to long-term functionality.






We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Marcus Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Midland, UK
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