A517 Grade B high-strength steel plate
Products Description
ASTM A517 Grade B is a quenched and tempered alloy steel plate primarily used in pressure vessel and boiler applications. It is known for its high strength and weldability, making it suitable for applications requiring added strength in elevated temperature environments.
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What is the chemical composition of A517 Grade B steel?
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What is A517 Grade B material? What are its main applications?
Material Type:
A517 Grade B is a quenched and tempered high-strength low-alloy steel (compliant with ASTM A517 standard).
Typical Applications:
– High-pressure vessels (e.g., hydraulic cylinders, gas storage tanks)
– Wind turbine towers
– Critical load-bearing components in engineering machinery
What is difference for ASTM A517 grade e steel materials and ASTM A517 grade B ?
| Property | A517 Grade E | A517 Grade B |
|---|---|---|
| Standard | ASTM A517 (High-Strength Quenched & Tempered Alloy Steel) | |
| Primary Application | Heavy-duty structural components (e.g., crane booms, mining equipment) | Pressure vessels, wind turbine towers |
| Tensile Strength | ≥760 MPa (110 ksi) | ≥860 MPa (125 ksi) |
| Yield Strength | ≥690 MPa (100 ksi) | ≥760 MPa (110 ksi) |
| Key Composition | – Lower carbon (C ≤0.22%) – Higher chromium (Cr 0.40-0.80%) – Nickel (Ni 0.70-1.20%) |
– Higher carbon (C ≤0.23%) – Molybdenum (Mo 0.45-0.65%) – Boron (B 0.001-0.003%) |
| Impact Toughness | Excellent low-temperature toughness (Charpy V-notch @ -40°C) | Moderate toughness (typically tested at room temp) |
| Weldability | Requires preheat (~150°C) and post-weld heat treatment (PWHT) | Similar requirements but more sensitive to cracking due to boron content |
| Corrosion Resistance | Better (due to Ni/Cr content) | Standard (relies on coatings for harsh environments) |
| Cost | Higher (alloy-intensive) | More economical |
aBOUT US
GNEE's corporate culture emphasizes "achieving customers and making employees happy". We adhere to the values of "embracing changes and taking responsibility in actions; there is no best, only better", encouraging employees to constantly pursue excellence and make continuous progress. The company not only focuses on the technical development of the team, but also cares about the personal growth and happiness of employees, striving to create a healthy and harmonious working environment.
If you want to know about certain products, you can send an email to alloy@gneesteelgroup.com.
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Q: What are your payment methods?
A: To facilitate the procurement of customers around the world, we support a variety of flexible payment methods, including telegraphic transfer (T/T) and letter of credit (L/C). We can provide suitable payment terms and conditions according to your needs to ensure the security and efficiency of the transaction.
Q: Do you offer discounts?
A: We provide customers with a flexible discount policy:
Large orders of more than 5,000 tons are eligible for a volume discount of 1-3%. The specific discount rate can be negotiated according to your needs and the order situation.
Existing customers have the opportunity to receive additional discounts and can enjoy exclusive customized prices and after-sales services.
In addition, we will launch promotional activities from time to time to provide more benefits to our customers.
You are welcome to contact our team to further discuss your order requirements. We will provide you with the most competitive quotations and services.
Q: Do you have any international certifications? Could you share some examples?
A: Our steel products have obtained certifications from major global authoritative institutions, including ASME in the field of pressure vessels (ASME U STAMP, S STAMP, H STAMP) and the EU PED (2014/68/EU) certification. If you want to view examples of Gnee Steel's international certification certificates, please leave your email address, and our sales manager will send them to you.
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