What is Q235B steel?
Q235B steel plate stands as a highly versatile low carbon steel. Defined by the national standard GB/T 700-2006 'Carbon Structural Steel', it is renowned as one of China's most ubiquitous steel products. Its affordability and adaptability make it an excellent choice for a wide range of applications that do not demand high performance. This makes Q235B an invaluable resource across multiple industries.
The difference between Q235A and Q235B.
The difference between Q235A and Q235B lies in the nuances of their carbon content, as outlined in the national standard GB700-88. Both are carbon steels, yet Q235A is characterized by a carbon content range of 0.14-0.22%. This subtle distinction plays a critical role in determining the material's properties and suitability for different uses.
Typically, steel mills ensure that finished profiles are properly marked on identification plates before leaving the factory. This enables users to accurately determine whether the material is Q235A, Q235B, or another type. The design pressure is P≤1.6MPa, with operational temperatures spanning 0~350ºC, and a steel plate thickness of >=20mm, ensuring robust performance across various conditions.
The Application of Q235B Steel
Q235B steel grade is a cornerstone in the field of civil engineering, offering essential solutions for constructing both industrial and residential infrastructures. It forms the backbone of steel structures utilized in building power transmission towers, integral parts of equipment, offshore structures, oil and gas platforms, and automobile bridges. This versatility underscores its fundamental role in shaping modern engineering projects.
Available For Stock:
Hot rolled steel options (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 delivering professional, efficient, and exemplary service
Committed to integrity, we bridge connections across the globe
Our extensive business landscape encompasses the manufacturing, processing, and distribution of premium silicon steel products. Our company’s core offerings include Hot dip aluminized steel coils/plates, stainless steel, galvanized steel, channel steel, rebar, pipe,and more.
Leveraging over 15 years of manufacturing excellence and two decades of market presence, we provide bespoke production capabilities. With a dedicated team exceeding 20 employees, our expansive facility spans more than 8,000 square meters, supporting an impressive annual capacity of 100,000 tonsof output.
We proudly serve as agents for industry leaders such as Baosteel, Wisco, Shougang Group, Shagang, and Ansteel, Tisco among others. Our robust supply chain and competitive pricing meet diverse quality and cost demands. Our clientele spans globally, including regions like the Middle East, Africa, South America, Southeast Asia, Latin America, and Europe.



1. As a leading manufacturer, we pride ourselves in possessing an extensive inventory, allowing us to fulfill your customization requirements with remarkable speed and efficiency.
2. As a reliable manufacturer, we assure you of a consistent and stable supply of high-quality products, coupled with competitive pricing and comprehensive after-sales support.
3. We implement rigorous and meticulous raw material selection and quality testing procedures, ensuring an exceptional 100% qualification rate for our exported products. We confidently welcome independent third-party inspections before dispatching your order.
4. Situated in proximity to the Shanghai port, we benefit from highly affordable freight costs and expedited delivery times.
For Unit Weight < 4 Tons
* Utilizing a specialized air anti-corrosion paper, dedicated for both internal and external use: 1 protective layer
* Equipped with internal and external paper angle protection: 1 pair for each side
* Furnished with an internal and external surrounding protection plate: 1 comprehensive piece
* Enhanced with internal and external metal angle protection rings: 1 pair each for robust security
For Unit Weight ≥ 4 Tons
* Incorporates internal and external dedicated air anti-corrosion paper: 1 protective layer
* Includes an external buffering plate: 1 durable piece
* Features internal and external paper angle protection: 1 pair each, meticulously designed for safety
* Boasts an internal and external surrounding protection plate: 1 reliable piece
* Comes with internal and external metal angle protection rings: 1 pair each, ensuring ultimate protection
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.