Placa de acero ASTM A709 para puentes: Acero estructural de alta resistencia y baja aleación

ASTM A709 Steel Plate Supplier for Bridge Projects

Placa de acero ASTM A709 is widely used in highway, railway, and long-span bridge construction due to its high strength, excellent weldability, and reliable toughness under dynamic loads.

As an experienced ASTM A709 steel plate supplier, CJM provides A709 steel plates in stock with fast delivery, flexible processing, and export-ready solutions for global bridge projects. Available grades include ASTM A709 Grade 50, Grade 50W weathering steel, and HPS 70W high-performance steel, covering different load and environmental requirements.

ASTM A709 Steel Plate Supply Range

CJM suministra una gama completa de ASTM A709 steel plates for bridge fabrication and structural applications:

• Grados: A709 Gr.36, Gr.50, Gr.50W, HPS 50W, HPS 70W
• Grosor: 6 mm - 200 mm
• Anchura: 1500 mm - 3200 mm
• Longitud: 6000 mm - 18000 mm
• Delivery condition: As-rolled, Normalized, TMCP

A709 chapa de acero pesada is available for large-span bridges and heavy-load structural components such as girders, cross beams, and gusset plates.

Available ASTM A709 Steel Plate Grades

The ASTM A709 standard includes multiple grades designed for different bridge applications:

• ASTM A709 Grado 36
• ASTM A709 Grado 50
• ASTM A709 Grado 50W
• ASTM A709 Grado HPS 50W
• ASTM A709 Grado HPS 70W

Among these grades:

• ASTM A709 Grado 50 is commonly used for standard bridge structures requiring higher yield strength than Grade 36.
• ASTM A709 Grado 50W acero para intemperie is preferred for exposed bridge environments where reduced maintenance is required.
• ASTM A709 HPS 70W is designed for large-span bridges and heavily loaded structures requiring higher strength and improved toughness.

ASTM A709 Steel Plate for Bridge Applications

Placa de acero ASTM A709 is widely used in:

• Puentes de carretera y ferrocarril
• Long-span and cable-stayed bridges
• Coastal and marine bridges (A709 50W weathering steel)
• Soportes estructurales para cargas pesadas

Grade Selection by Application

• Standard bridges → A709 Grade 50 steel plate
• Corrosive environments → Acero para intemperie A709 Grado 50W
• Large-span / heavy load → HPS 70W steel plate

For corrosion resistance and long-term durability requirements, see our ASTM A709 grade selection guide for bridge applications and weathering steel performance.

ASTM A709 Steel Plate Price Factors

El precio de Placa de acero ASTM A709 depende de:

• Steel grade (Gr.50 vs 50W vs HPS 70W)
• Plate thickness and dimensions
• Delivery condition (as-rolled / normalized / TMCP)
• Order quantity and processing requirements

For an accurate quotation, please provide grade, size, and quantity.

ASTM A709 Steel Plate Mechanical Properties

Grado	Límite elástico (MPa)	Resistencia a la tracción (MPa)	Alargamiento (%)
A709 Gr. 36	≥ 250	400-550	≥ 20
A709 Gr. 50	≥ 345	485-620	≥ 21
A709 Gr. 50W	≥ 345	485-620	≥ 21
HPS 50W	≥ 345	485-620	≥ 21
HPS 70W	≥ 485	585-760	≥ 18

For a detailed comparison of ASTM A709 Grade 50, 50W, and HPS 70W, see our ASTM A709 selection guide.

ASTM A709 Steel Plate Chemical Composition

Typical chemical composition of Placa de acero ASTM A709 varies by grade. Weathering grades such as A709 50W and HPS 70W contain additional alloying elements (Cu, Cr, Ni) to improve corrosion resistance.

(Detailed composition available upon request.)

Processing and Export Supply Capability

Como A709 steel plate supplier, CJM provides:

• Cutting, beveling, drilling services
• Surface preparation and protective coating
• Export packaging for long-distance shipping
• Fast delivery from stock

Suministramos ASTM A709 steel plates to Southeast Asia, the Middle East, Europe, and the Americas.

Explore nuestra gama completa de placas de acero para puentes different load conditions, including ASTM A709 and other structural grades.

Why Choose CJM as Your ASTM A709 Steel Plate Supplier

CJM es una empresa con experiencia ASTM A709 steel plate supplierofreciendo:

• Full grade coverage from Grade 36 to HPS 70W
• Heavy plate supply up to 200 mm thickness
• As-rolled, normalized, and TMCP delivery options
• Customized cutting, packing, and logistics solutions
• Long-term export experience for bridge and infrastructure projects

Packaging & Shipping of ASTM A709 Steel Plate

• Protective wrapping to prevent surface damage
• Moisture-proof and corrosion-resistant packaging
• Reinforced pallets for heavy plates
• Reliable global logistics partners

Get a Quote for ASTM A709 Steel Plate

Buscando un ASTM A709 steel plate supplier?
Please send us your required grade, thickness, dimensions, and quantity for a fast and accurate quotation.

WhatsApp: +8618191906640
Correo electrónico: info@cjmstainlesssteel.com

Preguntas frecuentes

• Q1: What is the delivery time for ASTM A709 steel plate?
  Usually 7–15 days for stock plates, depending on size and quantity.
• Q2: Do you supply A709 heavy steel plate?
  Yes, we supply A709 steel plate up to 200 mm thickness.
• Q3: Can you provide cutting and processing services?
  Yes, cutting, drilling, and beveling are available.
• Q4: What certifications are available?
  Mill test certificates (MTC) and third-party inspection can be provided.
• Q5: What is the MOQ for A709 steel plate?
  Flexible MOQ depending on stock availability.

P: ¿Cuáles son los principales productos/servicios de su empresa?

R: Somos fabricantes profesionales de productos de acero al carbono, acero aleado y perfiles. Tenemos la experiencia del negocio de acero por más de 10 años y nuestros productos se exportan a Oriente Medio, Suramérica, Asia sudoriental, África, Asia del sur y del este etc.

P: ¿Puedo visitar su fábrica?

R: Por supuesto, invitamos a clientes de todo el mundo a visitar nuestra fábrica.

P: ¿Cuáles son sus condiciones de pago?

R: 30% T/T depósito y 70% saldo antes del envío.

P: ¿Cuál es su plazo de entrega?

R: Para las existencias, podríamos transportar las mercancías al puerto de carga dentro de los 7 días después de recibir el depósito; Para la producción, por lo general toma alrededor de 15-30 días después de recibir el depósito.

P: ¿Proporcionan muestras? ¿Son gratuitas o de pago?

R: Las muestras están disponibles de forma gratuita, pero el flete de mensajería será cubierto por la cuenta del cliente.

P: ¿Aceptan la inspección de terceros?

R: Sí, aceptamos inspecciones de terceros.

P: ¿Por qué debería comprarles a ustedes y no a otros proveedores?

R: Integrando los recursos superiores de la industria siderúrgica de China, proporcionamos a los clientes productos de acero de alta calidad a precios preferenciales, y podemos garantizar que las mercancías se entregan a los clientes a tiempo.

P: ¿Cómo garantizan la calidad?

A: Siempre una muestra de pre-producción antes de la producción en masa;Siempre 100% inspeccionado antes del envío