ASTM A572 & S355JR High-Strength Structural Carbon Steel Coil for Project and Bulk Supply

ASTM A572 (S355JR Equivalent) Steel Coil Overview

A572 carbon steel coil is a high-strength structural steel material widely specified for load-bearing applications. Compared with general structural grades, ASTM A572 Grade 50 steel coil, equivalent to EN S355JR hot rolled steel coil, offers higher yield strength while maintaining good weldability and fabrication performance.

Como profesional A572 / S355JR steel coil supplier, we support project-based procurement, bulk orders, and mixed-grade sourcing for global buyers.

A572 / S355JR Carbon Steel Coil Specifications

Below are the typical technical specifications for ASTM A572 Grade 50 steel coil y EN S355JR steel coil, supplied for export projects.

Artículo	Especificación
Grado de acero	ASTM A572 / EN S355JR
Forma del producto	Hot Rolled Carbon Steel Coil
Límite elástico	≥ 345 MPa
Resistencia a la tracción	450 – 630 MPa
Gama de espesores	2.0 – 20 mm
Anchura	600 – 2100 mm
Diámetro interior de la bobina	508 mm (20”) / 610 mm (24”)
Peso de la bobina	Up to 30 MT
Estado de la superficie	As-rolled / Pickled (optional)
Supply Condition	Laminado en caliente
Inspección	Mill Test Certificate (EN 10204 3.1)
Third-Party Inspection	Available upon request

This specification range meets most requirements for ASTM A572 / EN S355JR structural steel coil used in construction, bridges, and heavy fabrication projects.

A572 / S355JR Carbon Steel Coil Processing & Available Services

To support project requirements for A572 and S355JR steel coil, we provide additional services:

• Slitting for customized coil widths
• Cut-to-length processing for fabrication use
• OEM marking and customized identification
• Export packing suitable for international transport and storage

These services help buyers reduce downstream processing time and improve procurement efficiency.

A572 / S355JR carbon steel coil Supply & Trade Information

• Packaging: export seaworthy packing
• Trade terms: FOB / CFR / CIF
• Documentation: Mill Test Certificate, packing list, commercial invoice
• Inspection: mill inspection or third-party inspection supported

We focus on export-oriented A572 / S355JR carbon steel coil supply for international markets.

Applications of A572 / S355JR Carbon Steel Coil

A572 / S355JR carbon steel coils are commonly used for:

• Structural steel fabrication and frames
• Bridges and infrastructure projects
• Transmission towers and wind tower structures
• Heavy machinery and load-bearing components

This grade is widely selected when higher yield strength is required for structural safety and cost efficiency.

Why Work With CJM Carbon Steel Coil Supply

• Multi-Standard Structural Coil Supply
  We support ASTM and EN carbon steel coil grades, allowing buyers to source ASTM A572 steel coil y S355JR steel coil under a unified procurement plan.
• Export-Oriented Quality Control
  Each batch of A572 / S355JR steel coils is supplied with complete inspection documentation to meet international project and import requirements.
• Project & Wholesale Capability
  Apoyamos A572 / S355JR steel coils with bulk orders, project schedules, and long-term cooperation with distributors, EPC contractors, and steel stockists.

ASTM A572 Grade 50 vs EN S355JR (Standards & Equivalence)

ASTM A572 Grade 50 and EN S355JR are commonly used for high-strength structural applications. Both grades meet load-bearing requirements for bridges, construction, and heavy fabrication projects, while offering higher yield strength than general structural steels.

For detailed chemical and mechanical equivalence, see our A572 equivalent guide.

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PREGUNTAS FRECUENTES

• Q1: Is ASTM A572 equivalent to EN S355JR?
  ASTM A572 Grade 50 is widely regarded as equivalent to EN S355JR in terms of yield strength and structural application. Both grades offer a minimum yield strength around 345 MPa and are commonly used for load-bearing structures. Grade substitution should be confirmed based on mill test certificates and project specifications.
• Q2: What is ASTM A572 Grade 50 used for?
  ASTM A572 Grade 50 is used for bridges, building structures, transmission towers, heavy equipment, and infrastructure projects where higher yield strength is required compared with general structural steels such as A36.
• Q3: Can A572 steel coil replace S355JR in construction projects?
  Yes, A572 Grade 50 steel coil can replace S355JR steel coil in many international projects, provided that chemical composition and mechanical properties are verified through a Mill Test Certificate (EN 10204 3.1) and approved by the project owner or engineer.
• Q4: What thickness is available for A572 steel coil?
  A572 carbon steel coils are commonly supplied in thickness ranges from 2.0 mm to 20 mm, depending on mill capability and project requirements. Wider thickness ranges may be available for bulk or project orders.

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