Our ST37-2 carbon steel round bars possess a multitude of exceptional features. With their high tensile strength and sturdy construction, they offer unmatched durability. Additionally, these round bars are easy to fit and require minimal maintenance, ensuring a long-lasting solution.
We take pride in our round bars' impeccable dimensional accuracy and excellent surface finishes. Their corrosion resistance and ability to withstand crevice corrosion further enhance their reliability.
Our ST37-2 carbon steel round bars are available in a wide range of sizes and shapes, meeting the specific requirements of our discerning customers. Rest assured, these bars adhere to the highest standards of raw material quality, ensuring their superior performance.
What sets us apart is our commitment to affordable pricing. We believe in providing our customers with cost-effective solutions without compromising on quality. So, experience the benefits of our top-notch ST37-2 carbon steel round bars at budget-friendly rates.
At Wuxi Mingshang Special Steel Co., Ltd., we pride ourselves on being an industry leader in the manufacturing of high-quality carbon steel round bars for both the global and domestic markets. With our state-of-the-art production infrastructure, we are able to produce finished-grade round bars in a variety of grades, sections, and sizes to meet the specific needs of our clients.
Our production capabilities are unmatched in the industry, allowing us to produce large quantities of steel round bars with precision and efficiency. We are committed to using only the highest quality materials and employing the most advanced manufacturing techniques to ensure the durability and reliability of our products.
Whether you are looking for standard or customized carbon steel round bars, our team of experts is dedicated to delivering the highest quality products and services to meet your unique needs. Contact us today to learn more about our capabilities and how we can help you achieve your production goals.

Product Specifications
Product Name | ST37-2 Carbon Steel Round Bar |
OD | 5mm-300mm |
Length | ,:5.5,5.8,6,11.8,12。,。 |
Tolerance | Wall Thickness:±0.05mm Length:±6mm Diameter:±0.3mm |
Shape | Round, Square, Rectangle |
Material | Q195-Q345, 10#-45#,16Mn,A35-A369,ST35-ST52 |
Technique | ERW,cold- rolled |
Surface treatment | Black annealed,Bright annealed,None annealed |
Supply ability | 20000 Metric Ton per Month steel pipe |
Standard | ASTM, DIN, JIS,BS,GB |
Certificate | ISO, CE,SGS,BV,BIS |
Payment terms | To place an order, we require a 30% T/T deposit in advance. Once the order has been completed, the remaining 70% T/T balance must be paid after receiving a copy of the B/L. We kindly ask that you keep this payment policy in mind when placing your order. We offer two payment methods for our valued customers. The first option is a 100% Irrevocable Letter of Credit (L/C) at sight, ensuring a secure and immediate transaction. The second option is a 100% Irrevocable Letter of Credit (L/C) which becomes effective once we receive a copy of the Bill of Lading (B/L). This option allows for a payment period of 30-120 days, providing flexibility for our customers. We also offer open account terms to establish a trusted relationship with consistent customers. Choose the payment method that best suits your needs and enjoy a seamless transaction experience with us. |
Delivery times | 30 days after receiving your deposits |
Loading port | Shanghai ,Tianjin,Ninigbo China |
Advantages | 1. Reasonable price with excellent quality 2. Abundant stock and prompt delivery With a wealth of experience in both providing a diverse range of products and exporting them across the globe, we pride ourselves on delivering the most sincere and attentive service possible. |
Equivalent Grade of ST37-2 Round Bar
| USA | Germany DIN,WNr | Japan JIS | France AFNOR | England BS | Canada HG | European old EN | Belgium NBN | Spain UNE |
| 1015 A283C GradeC GradeD SSGrade33 | RSt37-2 St37-2 | SM400A SS400 | E24-2 | 40A 40B | 230G | Fe360B Fe360BFN S235JRG2 | AE235B | AE235B-FN |
Chemical Properties of ST37-2 Round Bars
| C | Mn | P | S | N | Cu | CEV |
| Max 0.2 | Max 1.4 | Max 0.04 | Max 0.04 | Max 0.012 | Max 0.55 | Max 0.38 |
Mechanical Properties of ST37-2 Round Bars
| Steel grade | Minimum yield strength Reh MPa | Tensile strength Rm MPa | Minimum elongation – A Lo = 5,65 * √So (%) | Notch impact test | ||||||||||
| Nominal thickness mm | Nominal thickness mm | Nominal thickness mm | Temperature | Min. absorbed energy | ||||||||||
| ST37-2 | ≤16 | >16 ≤40 | >40 ≤63 | >63 ≤80 | >80 ≤100 | >100 ≤125 | >3 ≤100 | >100 ≤125 | >3 ≤40 | >40 ≤63 | >63 ≤100 | >100 ≤125 | °C | J |
| 235 | 225 | 215 | 195 | 360-510 | 350-500 | 26 | 25 | 24 | 22 | +20 | 27 | |||
Size Specifications

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