ASTM A572 Gr.50 Steel I-Beam

Product Description

ASTM A572 Gr.50 Steel I-Beam

Our A572 I-Beams are hot-rolled from premium HSLA steel, featuring a well-proportioned “I” cross-section that efficiently resists bending and shear forces. The addition of alloying elements (such as columbium and vanadium) provides enhanced mechanical properties while maintaining excellent weldability and formability. Each beam undergoes precise rolling, controlled cooling, and rigorous quality inspections to ensure dimensional accuracy, straightness, and surface quality. They are readily adaptable for cutting, welding, drilling, and coating, making them ideal for demanding structural applications.

High yield strength (50 ksi / 345 MPa minimum for Grade 50)

Excellent strength-to-weight ratio – reduces overall structural weight

Good weldability, ductility, and toughness

Conforms to ASTM A572 / ASME SA572 standards

Available in multiple grades (Gr.42, Gr.50, Gr.60, Gr.65)


PRODUCT DESCRIPTION

Grade (Material)ASTM A572 Gr.50 (Gr.42 / Gr.60 / Gr.65 available upon request)
Equivalent standards: Q345B, S355JR, SM490A
DimensionsHeight: 100 mm – 900 mm
Flange width: 68 mm – 300 mm
Web thickness: 4.5 mm – 30 mm (varies by size)
Length: 6 m, 9 m, 12 m, or custom lengths
Manufacturing ProcessHot rolled – electric arc furnace / BOF melting, continuous casting, reheating, rolling, controlled cooling, straightening, and non-destructive testing per ASTM standards
Processing ServicesCutting (flame, plasma, laser), drilling, punching, welding, hot-dip galvanizing, painting, shot blasting, and pre-assembly available
DeliveryFOB, CFR, CIF terms; lead time: 15–30 days after order confirmation; export packaging in seaworthy bundles with steel strapping and protective corners
TransportationSea freight (container or break bulk), rail, or truck; professional lashing and loading plans for safe transit
Payment TermsT/T (30% deposit + 70% against BL copy)
L/C at sight (irrevocable, confirmed)
Other terms negotiable for long-term cooperation
MOQ (Minimum Order Quantity)3 tons (trial orders accepted; flexible for larger quantities)

Designation (Nominal Depth x Weight/ft)Depth (h) / inWidth (b) / inWeb Thickness (tw) / in
S3 x 5.73.002.330.170
S4 x 7.74.002.660.193
S5 x 10.05.003.000.214
S6 x 12.56.003.330.232
S8 x 18.48.004.000.271
S10 x 25.410.004.660.311
S12 x 31.812.005.000.350
S15 x 42.915.005.500.411
S18 x 54.718.006.000.461


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Company Profile

Shandong Puxin Stainless Steel Co. Ltd. is a sophisticated manufacturer of steel products.  The company is located in Jinan, China's largest stainless steel products base, adjacent to Tianjing.  We focus on the steel industry for nearly 15 years, we have a wide range of stainless steel products, is a long-term engaged in stainless steel wholesale, sales, processing, distribution of professional company.  Other metal products are also available if required by customers.  The annual export volume is about 1 million tons.  We promise that almost all inquiries will be handled within three hours.  
In a short period of time, Shandong Puxin Stainless Steel Co. Ltd. in the eastern stainless steel market and the whole stainless steel industry in Shandong enjoys a high reputation.  Has a large customer base from all over the country, and established a long-term cooperative relationship.  Customers involved in petroleum, chemical machinery, electric power, water treatment equipment, elevators, kitchenware, food machinery, pressure vessels, solar water heaters and other industries.  "Punctuality, integrity, humanized service" has been my company and all the staff always strictly abide by the principle of development.  

 

Main products
We’re the supplier of a wide range of stainless steel products ( ss plate/sheet, ss coil, ss tube/pipe, ss bar/rod of all shapes, channel steel, angel steel and etc),  and other nonferrous metal products. 
Various Standard and non-standard specifications are both available as customers request. All products we provided are strictly in line with the international standards. 
Products of common specification or grades are adequate in stock, please feel free to contact us if you want a quote or more details about the specific products.


Service and commitment:
Service three guarantees: guarantee quality, guarantee time, guarantee quantity.
Service tenet: strong strength, high quality products, low price, first-class service.
Solemn promise: Reply to the trust of the old and new customers with the best products, the best quality, the lowest price and the most perfect service.
Operating principles: customer first, Excellent quality, great variety, and reasonable price.
Shandong Puxin Stainless Steel Co. Ltd.  will serve the majority of users with good reputation, strong strength, high quality products and low price. I would like to express my heartfelt thanks to the old and new friends and customers who have always cared, supported and helped the company! And sincerely hope to establish long-term cooperative relations with them, mutual benefit and common development .

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