What is the Renowned Q235B Steel?
The Q235B steel plate is a remarkable example of low carbon steel, falling under the national standard GB/T 700-2006 "Carbon Structural Steel." This standard provides a clear and authoritative definition of its classification. As one of China's most prevalent steel products, Q235B is celebrated for its affordability and versatility, making it a top choice for a myriad of applications that do not demand high-performance characteristics. Its cost-effective nature and adaptability ensure it remains a staple material in various industrial sectors.
Exploring the Distinction: Q235A vs. Q235B
The distinction between Q235A and Q235B lies within their classification as carbon steels. According to the national standard GB700-88, the primary difference is the carbon content in these two materials. Q235A boasts a carbon content range of 0.14-0.22%, which sets it apart from its counterpart, Q235B. This variation in carbon content is a critical factor in determining their respective applications and suitability for different engineering needs.
In standard practice, steel mills ensure that the finished profiles are distinctly marked on identification plates before exiting the factory. This meticulous labeling allows users to easily ascertain whether the material is Q235A, Q235B, or another type. Key design parameters include a design pressure of P≤1.6MPa, operating temperatures ranging from 0 to 350ºC, and a minimum steel plate thickness of 20mm, ensuring reliability and safety in various applications.
Diverse Applications of Q235B Steel
Steel grade Q235B is extensively utilized to bring civil engineering projects to life, offering a robust foundation for various structures. From creating steel frameworks for industrial and residential buildings to forming essential parts of power transmission towers, Q235B proves its worth. This versatile steel grade is also integral in constructing offshore structures, oil and gas platforms, and automobile bridges, among other critical infrastructure, highlighting its essential role in modern engineering feats.
Available Stock for Immediate Delivery:
Hot Rolled Steel (Q235B): Q235B, SS400, S235Jr, S355jr,1015, RSt37-2, USt37-2, St37-2, 40B, Fe360B, RSt360B, USt360B, Ст2пс, Ст2сп, Ст3пс, Ст3сп..

Boasting over 15 years of unparalleled manufacturing expertise
Shanghai Baori Steel Industries Co., Ltd
Renowned for our professional, efficient, and exceptional service
With sincerity at our core, we forge global connections
Our primary business realm encompasses the manufacturing, processing, and distribution of premium silicon steel products, including: Hot dip aluminized steel coils/plates, stainless steel, galvanized steel, channel steel, rebar, and pipes,among others.
Our extensive experience of over 15 years in manufacturing, coupled with 20 years of thriving in the domestic market, enables us to offer bespoke production capabilities. Our dedicated team of over 20 employees operates within a sprawling facility exceeding 8,000 square meters, achieving an annual production capacity of 100,000 tons.
We proudly serve as agents for industry giants such as Baosteel, Wisco, Shougang Group, Shagang, An Steel, and Tisco, ensuring an unrivaled supply chain and competitive pricing that meets diverse quality and budgetary needs. Our esteemed clients span across the globe, covering regions including the Middle East, Africa, South America, Southeast Asia, Latin America, and Europe.



1. As a leading manufacturer with a substantial inventory, we are ready to cater to your unique customization needs, ensuring rapid delivery times that set us apart.
2. Entrust us, a reliable manufacturer, to provide you with a robust and consistent product supply, stable pricing, and impeccable after-sales servicethat exceeds expectations.
3. We uphold rigorous raw material screening standards and employ comprehensive quality testing methods. Our exported products boast a 100% qualified rate, and we welcome any third-party inspections prior to shipping to guarantee quality assurance.
4. Situated in close proximity to the Shanghai port, we ensure exceptionally affordable freight costs and swift delivery servicesto enhance your experience with us.
For optimal handling of our Strong Q235B Hot Rolled Steel, we ensure each unit weighs under 4 Tons for ease and efficiency in transportation.
* Featuring a specialized internal and external layer of dedicated air anti-corrosion paper to safeguard against moisture and rust: 1 protective layer applied.
* Equipped with robust internal and external paper angle protection, providing an extra pair for enhanced corner security.
* Includes a sturdy internal and external surrounding protection plate to shield against impacts: 1 durable piece included.
* Reinforced with an internal and external metal angle protection ring, ensuring double the defense with one pair on each side.
Unit weight ≥ 4 Tons
* Our dedicated air anti-corrosion paper, used both internally and externally, forms a reliable barrier against corrosion: 1 robust layer applied.
* Enhanced with an external buffering plate, providing superior protection during transit: 1 piece included.
* Fortified with internal and external paper angle protection, each with an additional pair for comprehensive security.
* Includes a steadfast internal and external surrounding protection plate to resist external forces: 1 resilient piece provided.
* Equipped with an internal and external metal angle protection ring, offering reinforced stability with a pair on each side.
Q1: How many countries you already exported?
A1: We have already exported to several countries like America,Australia,South Africa,Pakistan, India,Japan,Russia,Saudi Arabia,Brazil,etc.
Q2: How long will it take to execute my order?
A2: Once we get your order,We will proceed ASAP.The production time within 7 days.
Q3 Can I get a sample for testing?
A3: Free samples.
Q4 Do you have inspection for the products before packing?
A4: 100% self-inspection for the products, we put the quality as our first priority.
Q5 Can I visit to your factory before the order?
A5: Sure, We take our customers seriously, welcome to visit our factory.