S235JRH
TUSPIPE manufactures its products strictly in accordance with EN 10219 S235JRH standards. Our S235JRH type steel pipes are structurally stable and reliable, making them an ideal choice for a variety of engineering applications.
S235JRH
The EN 10219 S235JRH pipe is made in accordance with all applicable ASTM, ASME, and international standards. These pipes have greater corrosion resistance and are suitable for use in a variety of temperatures.
Cold-Formed S235JRH Steel Welded Pipe has tensile strengths ranging from 316Mpa to 510Mpa and yield strength of at least 235Mpa. These pipes may be readily extended by 26%. The S235JRH Tube is widely utilized in civil engineering applications such as bridge construction, structural frames, factory structures, and mechanical engineering systems.
¿Por qué elegir tuspipe?
Desde 1998, Tianjin United Steel Piping Co., Ltd (TUSPIPE) se ha comprometido a suministrar tubos de línea de alta calidad.
Con más de 500.000 toneladas de capacidad de producción anual, la empresa presta servicio a diversos campos e industrias, como la explotación y transmisión de petróleo y gas, la construcción naval y de automóviles, el agua y la electricidad, la protección del medio ambiente, la ingeniería mecánica, la construcción de infraestructuras, etc.
TUSPIPE da mucha importancia a la calidad de los productos y a un riguroso control de calidad de los mismos. Para mantener la buena calidad de los productos, la empresa ha establecido un Centro de Pruebas e Inspección desde 2004. Con una serie de pruebas de última generación y equipos de inspección, el centro de pruebas e inspección es capaz de realizar las pruebas de tracción, pruebas hidráulicas, pruebas de impacto, DWTT, etc.
Designation for EN 10219 S235JRH Steel Grade
- El número de este Norma europea (especificación EN 10219);
- La letra S mayúscula para el acero estructural;
- La indicación del límite elástico mínimo especificado para un espesor ≤16mm se expresa en N/mm2;
- Las mayúsculas JR para las calidades con propiedades de impacto especificadas a temperatura ambiente;
- La letra mayúscula J y un número 0 o 2 para las calidades con propiedades de impacto especificadas a 0℃ y -20℃ respectivamente;
- La letra H mayúscula indica secciones huecas
Dimensions and Sizes of EN10219 S235JRH Pipe
| DN | O. D. | W. T. | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| En pulgadas | mm | SCH5S | SCH10S | SCH10 | SCH20 | SCH30 | SCH40 | SCH60 | SCH80 | SCH100 | SCH120 | SCH140 | SCH160 | Sth | XS | XXS | |
| 50 | 2″ | 60.3 | 1.65 | 2.77 | – | – | – | 3.91 | – | 5.54 | – | – | – | 8.74 | 3.91 | 5.54 | 11.07 |
| 65 | 2 1/2″ | 73 | 2.11 | 3.05 | – | – | – | 5.16 | – | 7.01 | – | – | – | 9.53 | 5.16 | 7.01 | 14.02 |
| 80 | 3″ | 88.9 | 2.11 | 3.05 | – | – | – | 5.49 | – | 7.62 | – | – | – | 11.13 | 5.49 | 7.52 | 15.24 |
| 90 | 3 1/2″ | 101.6 | 2.11 | 3.05 | – | – | – | 5.74 | – | 8.08 | – | – | – | – | 5.74 | 8.08 | – |
| 100 | 4″ | 114.3 | 2.11 | 3.05 | – | – | – | 6.02 | – | 8.58 | – | 11.13 | – | 13.49 | 6.02 | 8.56 | 17.12 |
| 125 | 5″ | 141.3 | 2.77 | 3.4 | – | – | – | 6.55 | – | 9.53 | – | 12.7 | – | 15.88 | 6.55 | 9.53 | 18.05 |
| 150 | 6″ | 168.3 | 2.77 | 3.4 | – | – | – | 7.11 | – | 10.97 | – | 14.27 | – | 18.26 | 7.11 | 10.97 | 21.95 |
| 200 | 8″ | 219.1 | 2.77 | 3.76 | – | 6.35 | 7.04 | 8.18 | 10.31 | 12.7 | 15.09 | 18.26 | 20.62 | 23.01 | 8.18 | 12.7 | 22.23 |
| 250 | 10″ | 273.1 | 3.4 | 4.19 | – | 6.35 | 7.8 | 9.27 | 12.7 | 15.09 | 18.26 | 21.44 | 25.4 | 28.58 | 9.27 | 12.7 | 25.4 |
| 300 | 12″ | 323.9 | 3.96 | 4.57 | – | 6.35 | 8.38 | 10.31 | 14.27 | 17.48 | 21.44 | 25.4 | 28.58 | 33.32 | 9.53 | 12.7 | 25.4 |
| 350 | 14″ | 355.5 | 3.96 | 4.78 | 6.35 | 7.92 | 9.53 | 11.13 | 15.09 | 19.05 | 23.83 | 27.79 | 31.75 | 35.71 | 9.53 | 12.7 | – |
| 400 | 16″ | 406.4 | 4.19 | 4.78 | 6.35 | 7.92 | 9.53 | 12.7 | 16.66 | 21.44 | 26.19 | 30.96 | 36.53 | 40.49 | 9.53 | 12.7 | – |
| 450 | 18″ | 457.2 | 4.19 | 4.78 | 6.35 | 7.92 | 11.13 | 14.27 | 19.05 | 23.83 | 39.36 | 34.93 | 39.67 | 45.24 | – | – | – |
| 500 | 20″ | 508 | 4.78 | 5.54 | 6.35 | 9.53 | 12.7 | 15.09 | 20.62 | 26.19 | 32.54 | 38.1 | 44.45 | 50.01 | – | – | – |
| 550 | 22″ | 558.8 | 4.78 | 5.54 | 6.35 | 9.53 | 12.7 | – | 22.23 | 28.58 | 34.93 | 41.28 | 47.63 | 53.98 | – | – | – |
| 600 | 24″ | 609.6 | 5.54 | 6.35 | 6.35 | 9.53 | 14.27 | 17.48 | 24.61 | 30.96 | 38.89 | 46.02 | 52.37 | 59.54 | – | – | – |
Weldability of EN 10219 S235JRH Pipe
This European standard specifies weldable steel. EN 1011-1 and EN 1011-2 provide the essential specifications for welding items covered by this European standard.
The greatest concern while welding these materials is the development of cold cracking in the welded zone as the thickness, strength level, and CEV of the product increase. Cold cracking occurs as a result of the following factors:
- Enhanced diffusible hydrogen concentrations in the weld metal;
- Brittle structure in the heat-affected zone;
- High tensile stress concentrations in the welded joint
Chemical composition of S235JRH for product thicknesses ≤ 40 mm (Heat analysis in %)
| Grado de acero | Material Number | Type of Deoxidation1) | C | Si | Mn | P | S | N2) |
|---|---|---|---|---|---|---|---|---|
| S235JRH | 1.0039 | FF | ≤ 0,17 | – | ≤ 1,40 | ≤ 0,040 | ≤ 0,040 | ≤ 0,009 |
| FF = Fully killed steel containing nitrogen binding elements in amounts sufficient to bind available nitrogen (e. g. min. 0,020 % total Al or 0,015 % soluble Al). | ||||||||
| The maximum value for nitrogen does not apply if the chemical composition shows a minimum total Al content of 0,020 % with a minimum Al/N ratio of 2:1, or if sufficient other N-binding elements are present. The N-binding elements shall be recorded in the Inspection Document. | ||||||||
Mechanical Properties of S235JRH at Room Temperature
| Grado de acero | Material Number | Yield Strength ReH N/mm² min. for Nominal Wall Thickness in mm | Resistencia a la tracción Rm N/mm² for Nominal Wall Thickness in mm | Elongation A 4) % min. for Nominal Wall Thickness in mm | Impact Energy KV5) J min. at a Temperature °C of | ||||
|---|---|---|---|---|---|---|---|---|---|
| £ 16 | > 16 £ 40 | < 3 | ≥ 3 ≤40 | ≤40 | -20 | 0 | 20 | ||
| S235JRH1) | 1.0039 | 235 | 225 | 360 -510 | 360 – 510 | 242) | – | – | 27 |
| The impact test has to be proved only if option 1.3 is determined. For wall thicknesses > 3 mm and section sizes D/T < 15 (circular) and (B+H)/2T x 12,5 (square or rectangular) the minimum elongation is reduced by 2. For wall thicknesses £ 3 mm the minimum value for elongation is 17 %. For section sizes D/T < 15 (circular) and (B+H)/2T x 12,5 (square or rectangular) the minimum elongations are reduces by 2. For wall thickness below 3 mm see DIN EN 10219-1, 9.2.2. For impact tests with test pieces with reduced cross-section see DIN EN 10219-1, 6.7.2. | |||||||||
Manufacturing Tolerances of EN 10219 S235JRH Pipe
| Característica | Round Hollow Sections | Square and Rectangular Hollow Sections |
|---|---|---|
| Outside Dimension | ± 1% with min ± 0.5mm and max ± 10mm | ± 1% with min of ± 0.5mm |
| Thickness (T) | T≤5mm: ±10% | T≤5mm: ±10% |
| T>5mm: ± 0.5mm | T>5mm: ± 0.5mm | |
| Out-of-Roundness | 2% | – |
| Convexity | – | Max .8% with min 0.5mm |
| Squareness of side | – | 90° ± 1° |
| External Corner Profile | – | T≤6mm: 1.6T to 2.4T |
| – | 6<T≤10mm: 2.0T to 3.0T | |
| – | T,10: 2.4T to 3.6T | |
| Twist | – | 2mm plus 0.5mm/m |
| Rectitud | 0.2% of total | 0.15% of total |
| Mass | ±6% on individual length | |
Inspection and Testing of EN 10219 S235JRH Hollow Sections of Non-alloy Steels
EN 10219 S235JRH is tensile tested according to EN 10002-1 and Charpy impact tested according to EN 10045-1.
| Requisitos de inspección | Frecuencia de inspección | |||
|---|---|---|---|---|
| Tipo de prueba | No específico inspección | Inspección específica | ||
| Obligatorio pruebas | 1 | Análisis del reparto | Un resultado por entrega artículo | Uno por reparto |
| 2 | Ensayo de tracción | Un resultado por entrega artículo | Uno por unidad de ensayo ( b) | |
| 3 | Prueba de impacto para Sólo calidades J2 y K2 | No aplicable | Un juego por unidad de ensayo (b) | |
| 4 | Estado de la superficie y dimensiones | – | – | |
| 5 | END de la soldadura | No aplicable | Todos los productos | |
| Opcional pruebas | 6 | Análisis de productos | No aplicable | Uno por unidad de ensayo a |
| 7 | Análisis del reparto elementos adicionales | No aplicable | Véase la opción 1.2 | |
| 8 | Ensayo de impacto para calidades JR y J0 | No aplicable | Un juego por unidad de ensayo (b) | |
| b - Muestras longitudinales o transversales a discreción del fabricante. | ||||
