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EN 10297-1 Seamless Circular Steel Tubes For Mechanical And General
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EN 10297-1 Seamless Circular Steel Tubes For Mechanical And General
  • Nombre
  • Nombre
  • Nombre
  • Nombre
  • Nombre

EN 10297-1 Seamless Circular Steel Tubes For Mechanical And General

Cuota De Producción: 1 toneladas
Precio: 800-1000 USD/Tons
Embalaje Estándar: En fardos o en cajas de madera.
Período De Entrega: 20-30 días sobre los productos
Método De Pago: LC, D/A, D/P, T/T, Western Union, MoneyGram
Capacidad De Suministro: 60000 toneladas/toneladas por año
Información de detalles
Descripción del producto
Información detallada
Lugar de origen
Zhejiang/China
Nombre de la marca
TORICH
Certificación
ISO9001, ISO14001, TS16949
Número de modelo
En el caso de los vehículos de motor
Técnica:
Dibujado en frío, enrollado caliente, enrollado en frío
Solicitud:
Mecanica y generales
Estándar:
ASTM, GB, DIN, API, BS
Aleación o no:
Sin aleación
Espesor:
0.5 - 20 mm
Forma de sección:
Redondo, rectangular/ cuadrado/ redondo
Calificación:
E235 (1.0308) E275 (1.0225) E355 (1.0580) 25CrMo4 42CrMo4
Tubería especial:
Tubo de pared gruesa, tubo sin costura de precisión, tubo de acero sin costura de precisión, retirad
Secundario o no:
No secundario
Diámetro exterior (redondo):
20 - 480 mm
Longitud:
1-12m/as peticiones de los clientes
Nombre del producto:
tubo de acero sin costura
Tipo:
Sin costura, enrollados en caliente
Descripción del producto

EN 10297-1 Seamless Circular Steel Tubes For Mechanical And General 0

EN 10297-1 Seamless Circular Steel Tubes for Mechanical & General Engineering

Material Overview

EN 10297-1 covers seamless circular steel tubes manufactured from non-alloy and alloy steels for mechanical engineering and general engineering components where reliable strength, machinability, and dimensional stability are required. Typical supply routes include hot-finished and cold-finished tubes, with heat treatment options (e.g., normalized) selected to match forming, welding, and final-part performance expectations.

Specifications

Product form: Seamless round tube (circular)
Manufacturing: Hot-finished / cold-finished (per order)
Delivery condition (common): As-rolled / annealed / normalized / quenched & tempered (grade- and requirement-dependent)
Dimensional tolerances (typical reference per EN 10297-1 practice):

  • Outside diameter tolerances commonly ±1% (and for small OD, often ±0.5 mm)

  • Wall thickness tolerances depend on T/D ratio, with typical bands such as ±12.5% to ±20% depending on size relationships

Optional testing & documentation (often requested by buyers):

  • EN 10204 3.1 material inspection certificate (MTC)

  • Dimensional inspection report

  • NDT (UT/ET) by agreement

  • Mechanical testing (tensile, impact where applicable)

Key Features

  • Seamless integrity for higher reliability versus welded tubing in critical load paths

  • Grade flexibility (from E-series structural/mechanical grades to Cr-Mo alloy grades) for cost/performance optimization

  • Good manufacturability: suitable for machining, drilling, boring, and controlled forming depending on grade & condition

  • Engineering-ready traceability with heat number / batch identification and MTC alignment

Our Advantages

  1. “Will the tube meet my machining and strength targets without surprises?”
    We recommend the grade + delivery condition combination based on your use case (machining vs. forming vs. high-strength shafts). Minimum mechanical property requirements are aligned to EN 10297-1 grade tables (example values shown below), reducing rework risk.

  2. “Can you control OD/WT tolerances for assembly-fit components?”
    We manage production routing (hot-finished vs. cold-finished) and apply tolerance controls consistent with EN 10297-1 dimensional tolerance guidance (OD and WT tolerance bands linked to diameter and T/D ratio).

  3. “How do I ensure compliance, traceability, and incoming inspection efficiency?”
    We support batch traceability, provide EN 10204 3.1 MTCs, and can add NDT and extra testing (UT/ET, impact tests when required) so your incoming QC can verify compliance quickly and consistently.

Chemical Composition

Grade C (%) Si (%) Mn (%) P (%) S (%) Cr (%) Mo (%)
E235 (1.0308) ≤0.17 ≤0.35 ≤1.20 ≤0.030 ≤0.035 — —
E275 (1.0225) ≤0.21 ≤0.35 ≤1.40 ≤0.030 ≤0.035 — —
E355 (1.0580) ≤0.22 ≤0.55 ≤1.60 ≤0.030 ≤0.035 — —
25CrMo4 0.22–0.29 ≤0.40 0.60–0.90 ≤0.035 ≤0.035 0.90–1.20 0.15–0.30
42CrMo4 0.38–0.45 ≤0.40 0.60–0.90 ≤0.035 ≤0.035 0.90–1.20 0.15–0.30

Mechanical Properties 

Grade Reference thickness category Yield Strength ReH (MPa) min Tensile Strength Rm (MPa) min Elongation A (%) min
E235 T ≤ 16 mm 235 360 25
E275 T ≤ 16 mm 275 410 22
E355 T ≤ 16 mm 355 490 20
25CrMo4 T ≤ 8 mm 700 900 12
42CrMo4 T ≤ 8 mm 900 1100 10

Execution Standards 

  • EN: EN 10297-1

  • ASTM (similar use-case): ASTM A519

  • JIS (similar use-case): JIS G3441

  • GOST (similar product family): GOST 8732

  • GB (similar structural/mechanical usage): GB/T 8162

Application Areas

General application domains: mechanical engineering, automotive components, construction machinery, industrial equipment, structural/mechanical assemblies.

Where used (examples):

  • E235 / E275: brackets, sleeves, frames, general machined parts, moderate-load shafts

  • E355: higher-load structural parts, machine frames, hydraulic and mechanical assemblies requiring higher strength

  • 25CrMo4 / 42CrMo4: high-stress shafts, pins, drive components, crane/boom and heavy equipment parts where higher hardenability/strength is needed

 

EN 10297-1 Seamless Circular Steel Tubes For Mechanical And General 1

EN 10297-1 Seamless Circular Steel Tubes For Mechanical And General 2     EN 10297-1 Seamless Circular Steel Tubes For Mechanical And General 3

 

EN 10297-1 Seamless Circular Steel Tubes For Mechanical And General 4     EN 10297-1 Seamless Circular Steel Tubes For Mechanical And General 5

 

EN 10297-1 Seamless Circular Steel Tubes For Mechanical And General 6EN 10297-1 Seamless Circular Steel Tubes For Mechanical And General 7EN 10297-1 Seamless Circular Steel Tubes For Mechanical And General 8

TORICH Group, an one-stop service provider of raw materials engaged in raw material production, R&D and
trade, has 30+ years of experience in the market, exported to 56 +countries, and won good reputation and
credibility among domestic and foreign customers.
 
The company's production plant covers an area of over 10,000 square meters, with an annual production
capacity of 50,000 tons of materials and a comprehensive trading and warehousing capacity of 100,000 tons, which can satisfy customers' personalized needs for raw materials in terms of diversity and timeliness.
 
The group holds shares in more than ten domestic production entities, whose main products include
seamless steel pipes ( carbon steel and stainless steel), welded pipes ( carbon steel and stainless steel), pipe fittings ( carbon steel and stainless steel), titanium (titanium tubes, titanium rods, titanium cakes, titanium plates, etc.), aluminum (aluminum tubes, aluminum rods, aluminum die casting, aluminum casting, CNC machining), and CNC deep processing of metal materials such as tubes, rods, and casting parts.
 
Over the past 30 years, the company has been gradually developing new technologies and materials to meet
the growing needs of customers and various diversified needs, exporting to more than 56 countries and still
increasing the number of exporting countries, aiming to help customers to solve the demand for raw materials, and to facilitate one-stop purchasing for customers.
EN 10297-1 Seamless Circular Steel Tubes For Mechanical And General 9EN 10297-1 Seamless Circular Steel Tubes For Mechanical And General 10EN 10297-1 Seamless Circular Steel Tubes For Mechanical And General 11EN 10297-1 Seamless Circular Steel Tubes For Mechanical And General 12EN 10297-1 Seamless Circular Steel Tubes For Mechanical And General 13

 

Q: Are you trading company or manufacturer ?

A: manufacturer,also can do trading.

 

Q: How long is your delivery time?

A: Generally speaking,it is 10-15 days if the goods are in stock,or it is 30-40 days if the goods are not in stock, it is according to quantity.

 

Q: Do you provide samples? is it free or extra ?

A: Yes, we could offer the sample for free charge but need pay the cost of freight.

 

Q: What is your terms of payment ?

A: Payment<=2000USD, 100% in advance. Payment>=2000USD, 30% T/T in advance ,balance before shippment.

If you have another question, pls feel free to contact with me.

Las etiquetas: 

tubo inconsútil retirado a frío,  

tubo sin soldadura de la precisión,  

Tubería de acero negra del carbono

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productos
DETALLES DE LOS PRODUCTOS
Productos

Tubo inconsútil del acero de la precisión

tubo de acero retirado a frío inconsútil

Tubo del acero del cilindro hidráulico

Piezas que trabajan a máquina del CNC

Piezas de aluminio del CNC

Piezas de cobre amarillo del CNC

Piezas de torneado del CNC

Tubo del acero del cambiador de calor

tubo de acero al carbono

tubo del acero de aleación

Tubo de acero soldado con autógena

tubo del acero estructural

Tubería de acero automotriz
EN 10297-1 Seamless Circular Steel Tubes For Mechanical And General
  • Nombre
  • Nombre
  • Nombre
  • Nombre
  • Nombre
EN 10297-1 Seamless Circular Steel Tubes For Mechanical And General
Cuota De Producción: 1 toneladas
Precio: 800-1000 USD/Tons
Embalaje Estándar: En fardos o en cajas de madera.
Período De Entrega: 20-30 días sobre los productos
Método De Pago: LC, D/A, D/P, T/T, Western Union, MoneyGram
Capacidad De Suministro: 60000 toneladas/toneladas por año
Información detallada
Descripción del producto
Información detallada
Lugar de origen
Zhejiang/China
Nombre de la marca
TORICH
Certificación
ISO9001, ISO14001, TS16949
Número de modelo
En el caso de los vehículos de motor
Técnica:
Dibujado en frío, enrollado caliente, enrollado en frío
Solicitud:
Mecanica y generales
Estándar:
ASTM, GB, DIN, API, BS
Aleación o no:
Sin aleación
Espesor:
0.5 - 20 mm
Forma de sección:
Redondo, rectangular/ cuadrado/ redondo
Calificación:
E235 (1.0308) E275 (1.0225) E355 (1.0580) 25CrMo4 42CrMo4
Tubería especial:
Tubo de pared gruesa, tubo sin costura de precisión, tubo de acero sin costura de precisión, retirad
Secundario o no:
No secundario
Diámetro exterior (redondo):
20 - 480 mm
Longitud:
1-12m/as peticiones de los clientes
Nombre del producto:
tubo de acero sin costura
Tipo:
Sin costura, enrollados en caliente
Cantidad de orden mínima:
1 toneladas
Precio:
800-1000 USD/Tons
Detalles de empaquetado:
En fardos o en cajas de madera.
Tiempo de entrega:
20-30 días sobre los productos
Condiciones de pago:
LC, D/A, D/P, T/T, Western Union, MoneyGram
Capacidad de la fuente:
60000 toneladas/toneladas por año
Descripción del producto

EN 10297-1 Seamless Circular Steel Tubes For Mechanical And General 0

EN 10297-1 Seamless Circular Steel Tubes for Mechanical & General Engineering

Material Overview

EN 10297-1 covers seamless circular steel tubes manufactured from non-alloy and alloy steels for mechanical engineering and general engineering components where reliable strength, machinability, and dimensional stability are required. Typical supply routes include hot-finished and cold-finished tubes, with heat treatment options (e.g., normalized) selected to match forming, welding, and final-part performance expectations.

Specifications

Product form: Seamless round tube (circular)
Manufacturing: Hot-finished / cold-finished (per order)
Delivery condition (common): As-rolled / annealed / normalized / quenched & tempered (grade- and requirement-dependent)
Dimensional tolerances (typical reference per EN 10297-1 practice):

  • Outside diameter tolerances commonly ±1% (and for small OD, often ±0.5 mm)

  • Wall thickness tolerances depend on T/D ratio, with typical bands such as ±12.5% to ±20% depending on size relationships

Optional testing & documentation (often requested by buyers):

  • EN 10204 3.1 material inspection certificate (MTC)

  • Dimensional inspection report

  • NDT (UT/ET) by agreement

  • Mechanical testing (tensile, impact where applicable)

Key Features

  • Seamless integrity for higher reliability versus welded tubing in critical load paths

  • Grade flexibility (from E-series structural/mechanical grades to Cr-Mo alloy grades) for cost/performance optimization

  • Good manufacturability: suitable for machining, drilling, boring, and controlled forming depending on grade & condition

  • Engineering-ready traceability with heat number / batch identification and MTC alignment

Our Advantages

  1. “Will the tube meet my machining and strength targets without surprises?”
    We recommend the grade + delivery condition combination based on your use case (machining vs. forming vs. high-strength shafts). Minimum mechanical property requirements are aligned to EN 10297-1 grade tables (example values shown below), reducing rework risk.

  2. “Can you control OD/WT tolerances for assembly-fit components?”
    We manage production routing (hot-finished vs. cold-finished) and apply tolerance controls consistent with EN 10297-1 dimensional tolerance guidance (OD and WT tolerance bands linked to diameter and T/D ratio).

  3. “How do I ensure compliance, traceability, and incoming inspection efficiency?”
    We support batch traceability, provide EN 10204 3.1 MTCs, and can add NDT and extra testing (UT/ET, impact tests when required) so your incoming QC can verify compliance quickly and consistently.

Chemical Composition

Grade C (%) Si (%) Mn (%) P (%) S (%) Cr (%) Mo (%)
E235 (1.0308) ≤0.17 ≤0.35 ≤1.20 ≤0.030 ≤0.035 — —
E275 (1.0225) ≤0.21 ≤0.35 ≤1.40 ≤0.030 ≤0.035 — —
E355 (1.0580) ≤0.22 ≤0.55 ≤1.60 ≤0.030 ≤0.035 — —
25CrMo4 0.22–0.29 ≤0.40 0.60–0.90 ≤0.035 ≤0.035 0.90–1.20 0.15–0.30
42CrMo4 0.38–0.45 ≤0.40 0.60–0.90 ≤0.035 ≤0.035 0.90–1.20 0.15–0.30

Mechanical Properties 

Grade Reference thickness category Yield Strength ReH (MPa) min Tensile Strength Rm (MPa) min Elongation A (%) min
E235 T ≤ 16 mm 235 360 25
E275 T ≤ 16 mm 275 410 22
E355 T ≤ 16 mm 355 490 20
25CrMo4 T ≤ 8 mm 700 900 12
42CrMo4 T ≤ 8 mm 900 1100 10

Execution Standards 

  • EN: EN 10297-1

  • ASTM (similar use-case): ASTM A519

  • JIS (similar use-case): JIS G3441

  • GOST (similar product family): GOST 8732

  • GB (similar structural/mechanical usage): GB/T 8162

Application Areas

General application domains: mechanical engineering, automotive components, construction machinery, industrial equipment, structural/mechanical assemblies.

Where used (examples):

  • E235 / E275: brackets, sleeves, frames, general machined parts, moderate-load shafts

  • E355: higher-load structural parts, machine frames, hydraulic and mechanical assemblies requiring higher strength

  • 25CrMo4 / 42CrMo4: high-stress shafts, pins, drive components, crane/boom and heavy equipment parts where higher hardenability/strength is needed

 

EN 10297-1 Seamless Circular Steel Tubes For Mechanical And General 1

EN 10297-1 Seamless Circular Steel Tubes For Mechanical And General 2     EN 10297-1 Seamless Circular Steel Tubes For Mechanical And General 3

 

EN 10297-1 Seamless Circular Steel Tubes For Mechanical And General 4     EN 10297-1 Seamless Circular Steel Tubes For Mechanical And General 5

 

EN 10297-1 Seamless Circular Steel Tubes For Mechanical And General 6EN 10297-1 Seamless Circular Steel Tubes For Mechanical And General 7EN 10297-1 Seamless Circular Steel Tubes For Mechanical And General 8

TORICH Group, an one-stop service provider of raw materials engaged in raw material production, R&D and
trade, has 30+ years of experience in the market, exported to 56 +countries, and won good reputation and
credibility among domestic and foreign customers.
 
The company's production plant covers an area of over 10,000 square meters, with an annual production
capacity of 50,000 tons of materials and a comprehensive trading and warehousing capacity of 100,000 tons, which can satisfy customers' personalized needs for raw materials in terms of diversity and timeliness.
 
The group holds shares in more than ten domestic production entities, whose main products include
seamless steel pipes ( carbon steel and stainless steel), welded pipes ( carbon steel and stainless steel), pipe fittings ( carbon steel and stainless steel), titanium (titanium tubes, titanium rods, titanium cakes, titanium plates, etc.), aluminum (aluminum tubes, aluminum rods, aluminum die casting, aluminum casting, CNC machining), and CNC deep processing of metal materials such as tubes, rods, and casting parts.
 
Over the past 30 years, the company has been gradually developing new technologies and materials to meet
the growing needs of customers and various diversified needs, exporting to more than 56 countries and still
increasing the number of exporting countries, aiming to help customers to solve the demand for raw materials, and to facilitate one-stop purchasing for customers.
EN 10297-1 Seamless Circular Steel Tubes For Mechanical And General 9EN 10297-1 Seamless Circular Steel Tubes For Mechanical And General 10EN 10297-1 Seamless Circular Steel Tubes For Mechanical And General 11EN 10297-1 Seamless Circular Steel Tubes For Mechanical And General 12EN 10297-1 Seamless Circular Steel Tubes For Mechanical And General 13

 

Q: Are you trading company or manufacturer ?

A: manufacturer,also can do trading.

 

Q: How long is your delivery time?

A: Generally speaking,it is 10-15 days if the goods are in stock,or it is 30-40 days if the goods are not in stock, it is according to quantity.

 

Q: Do you provide samples? is it free or extra ?

A: Yes, we could offer the sample for free charge but need pay the cost of freight.

 

Q: What is your terms of payment ?

A: Payment<=2000USD, 100% in advance. Payment>=2000USD, 30% T/T in advance ,balance before shippment.

If you have another question, pls feel free to contact with me.

Las etiquetas: 

tubo inconsútil retirado a frío,

tubo sin soldadura de la precisión,

Tubería de acero negra del carbono

Enlace rápido
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Teléfono

86-574-88255925

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+86 137 3616 4628
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