EN Standard

1. EN 10210

• Name: Hot-finished structural hollow sections of non-alloy and fine grain steels;
• Scope: This part of this European Standard specifies technical delivery conditions for hot-finished hollow sections of circular, square, rectangular, or elliptical forms and applies to hollow sections formed hot, with or without subsequent heat treatment, or formed cold with subsequent heat treatment to obtain equivalent metallurgical conditions to those obtained in the hot formed product;
• Dimensions:
  wall thicknesses up to 120 mm;
  Circular: Outside diameters up to 2500 mm;
  Square: Outside dimensions up to 800 mm x 800 mm;
  Rectangular: Outside dimensions up to 750 mm x 500 mm;
  Elliptical: Outside dimensions up to 500 mm x 250 mm;
• Grade: S235JRH, S275J0H, S275J2H, S355J0H, S355J2H, S355K2H, S275NH, S275NLH, S355NH, S355NLH, S420NH, S420NLH, S40NH, S460NLH;
• Download: EN 10210-1 -2006 | EN 10210-2 -2019 | EN 10210-3 -2020 |;

2. EN 10216-1 – 2013

• Name: Seamless steel tubes for pressure purposes – Technical delivery conditions – Part 1: Non-alloy steel tubes with specified room temperature properties;
• Scope: This European Standard specifies the technical delivery conditions for two qualities TR1 and TR2 of seamless tubes of the circular cross-section with specified room temperature properties made of non-alloy quality steel;
• Dimensions: –;
• Grade: P195TR2, P235TR2, P265TR2, P195TR1, P235TR1, P265TR1;
• Download: EN 10216-1 – 2013;

3. EN 10216-2 – 2019

• Name: Seamless steel tubes for pressure purposes – Technical delivery conditions – Part 2: Non-alloy and alloy steel tubes with specified elevated temperature properties;
• Scope: This European Standard specifies the technical delivery conditions in two test categories for seamless tubes of circular cross-section, with specified elevated temperature properties, made of non-alloy and alloy steel;
• Dimensions: –;
• Grade: P195GH, P235GH, P265GH, 20MnNb6, 16Mo3, 8MoB5-4, 14MoV6-3, 10CrMo5-5, 13CrMo4-5, 10CrMo9-10, 11CrMo9-10, 25CrMo4, 20CrMoV13-5-5, 15NiCuMoNb5-6-4, 7CrWVMoNb9-6, 7CrMoVTiB10-10, X11CrMo5+l, X11CrMo5+NT1, X11CrMo5+NT2, X11CrMo9-1+l, X11CrMo9-1+NT, X10CrMoVNb9-1, X10CrWMoVNb9-2, X11CrMoWVNb9-1-1, X20CrMoV11-1;
• Download: EN 10216-2 – 2019;

4. EN 10216-3 – 2013

• Name: Seamless steel tubes for pressure purposes – Technical delivery conditions – Part 3: Alloy fine grain steel tubes;
• Scope: This European Standard specifies the technical delivery conditions in two test categories for seamless tubes of circular cross-section, made of weldable alloyed fine-grained steel;
• Dimensions: –;
• Grade: P275NL1, P275NL2, P355N, P355NH, P355NL1, P355NL2, P460N, P460NH, P460NL1, P460NL2, P620Q, P620QH, P620QL, P690Q, P690QH, P690QL1, P690QL2;
• Download: EN 10216-3 – 2013;

5. EN 10217-1 – 2019

• Name: Welded steel tubes for pressure purposes – Technical delivery conditions – Part 1: Electric welded and submerged arc welded non-alloy steel tubes with specified room temperature properties;
• Scope: This document specifies the technical delivery conditions for qualities TR1 and TR2 of electric welded and submerged arc welded tubes of circular cross-section, with specified room temperature properties, made from non-alloy quality steel;
• Dimensions: –;
• Grade: P195TR1, P235TR1, P265TR1, P195TR2, P235TR2, P265TR2;
• Download: EN 10217-1 – 2019;

6. EN 10217-2 – 2019

• Name: Welded steel tubes for pressure purposes – Technical delivery conditions – Part 2: Electric welded non-alloy and alloy steel tubes with specified elevated temperature properties;
• Scope: This document specifies the technical delivery conditions for two test categories of electric welded tubes of circular cross-section, with specified elevated temperature properties, made from non-alloy quality steel or alloy special steel;
• Dimensions: –;
• Grade: P195GH, P235GH, P265GH, 16Mo3;
• Download: EN 10217-2 – 2019;

7. EN 10217-3 – 2019

• Name: Welded steel tubes for pressure purposes – Technical delivery conditions – Part 3: Electric welded and submerged arc welded alloy fine grain steel tubes with specified room, elevated and low-temperature properties;
• Scope: This document specifies the technical delivery conditions for two test categories of electric welded and submerged arc longitudinally (SAWL) or helically (SAWH) welded tubes of circular cross-section, made from weldable fine grain steel;
• Dimensions: –;
• Grade: P275NL1, P275NL2, P355N, P355NH, P355NL1, P355NL2, P460N, P460NH, P460NL1, P460NL2;
• Download: EN 10217-3 – 2019;

8. EN 10217-5 – 2019

• Name: Welded steel tubes for pressure purposes – Technical delivery conditions -Part 5: Submerged arc welded non-alloy and alloy steel tubes with specified elevated temperature properties;
• Scope: This document specifies technical delivery conditions for two test categories of submerged arc longitudinally (SAWL) or helically (SAWH) welded tubes of circular cross-section, with specified elevated temperature properties, made from non-alloy quality steel or alloy special steel;
• Dimensions: –;
• Grade: P235GH, P265GH, 16Mo3;
• Download: EN 10217-5 – 2019;

8. EN 10219

• Name: Cold-formed welded structural hollow sections of non-alloy and fine grain steels;
• Scope: This part of this European Standard specifies the technical delivery conditions for cold-formed welded structural hollow sections of circular, square, or rectangular forms and applies to structural hollow sections formed cold without subsequent heat treatment;
• Dimensions:
  wall thicknesses up to 40 mm;
  Circular: Outside diameters up to 2500 mm;
  Square: Outside dimensions up to 500 mm x 500 mm;
  Rectangular: Outside dimensions up to 500 mm x 300 mm;
  Elliptical: Outside dimensions up to 480 mm x 240 mm;
• Grade: S235JRH, S275J0H, S275J2H, S355J0H, S355J2H, S355K2H, S275NH, S275NLH, S355NH, S355NLH, S40NH, S460NLH;
• Download: EN 10219-1 – 2006 | EN 10219-2 – 2019 | EN 10219-3 – 2020 |;

9. EN 10297-1 – 2003

• Name: Seamless circular steel tubes for mechanical and general engineering purposes – Technical delivery conditions -Part 1: Non-alloy and alloy steel tubes;
• Scope: This Part of EN 10297 specifies the technical delivery conditions for seamless circular tubes made of non-alloy and alloy steels for mechanical and general engineering purposes;
• Dimensions: –;
• Grade:
  Non-alloy quality steel: E235, E275, E315, E355, E470, E275K2, E420J2, E590K2, C22E, C35E, C45E, C60E, 38Mn6, C10E, C15E, C15R;
  Alloy quality steel: E355K2, E460K2, E730K2, 41Cr4, 25CrMo4, 30CrMo4, 34CrMo4, 42CrMo4, 36CrNiMo4, 30CrNiMo8, 41NiCrMo7-3-2, 16MnCr5, 16MnCrS5, 20NiCrMo2-2, 20NiCrMoS2-2;
• Download: EN 10297-1 – 2003;

10. EN 10305-1 – 2016

• Name: Steel tubes for precision applications – Technical delivery conditions – Part 1: Seamless cold-drawn tubes;
• Scope: This European Standard specifies the technical delivery conditions for seamless cold-drawn steel tubes of the circular cross-section for precision applications with specified outside diameter D ≤ 380 mm;
• Dimensions: 380 mm or less;
• Grade:
  Non-alloy quality steel: E215, E235, E355, E255, E410, 26Mn5, 10S10, 15S10, 18S10, 37S10, C35E, C45E;
  Alloy quality steel: 26Mo2, 25CrMo4, 42CrMo4;
• Download: EN 10305-1 – 2016;

BS Standard

1. BS 3604-2 – 1991

• Name: Steel pipes and tubes for pressure purposes: ferritic alloy steel with specified elevated temperature properties – Part 2: Specification for longitudinally arc welded tubes;
• Scope: This Part of BS 3604 specifies requirements for the plain end, longitudinally arc-welded ferritic alloy steel tubes suitable for pressure purposes;
• Dimensions: –;
• Grade: 620, 621, 622;
• Download: BS 3064-2 – 1991;

2. BS EN 10210

• Name: Hot-finished structural hollow sections of non-alloy and fine grain steels;
• Scope: This part of this European Standard specifies technical delivery conditions for hot-finished hollow sections of circular, square, rectangular, or elliptical forms and applies to hollow sections formed hot, with or without subsequent heat treatment, or formed cold with subsequent heat treatment to obtain equivalent metallurgical conditions to those obtained in the hot formed product;
• Dimensions:
  wall thicknesses up to 120 mm;
  Circular: Outside diameters up to 2500 mm;
  Square: Outside dimensions up to 800 mm x 800 mm;
  Rectangular: Outside dimensions up to 750 mm x 500 mm;
  Elliptical: Outside dimensions up to 500 mm x 250 mm;
• Grade: S235JRH, S275J0H, S275J2H, S355J0H, S355J2H, S355K2H, S275NH, S275NLH, S355NH, S355NLH, S420NH, S420NLH, S40NH, S460NLH;
• Download: BS EN 10210-1 – 2006 | BS EN 10210-2 – 2019 | BS EN 10210-3 – 2020;

3. BS EN 10216-1 – 2013

• Name: Seamless steel tubes for pressure purposes – Technical delivery conditions Part 1: Non-alloy steel tubes with specified room temperature properties;
• Scope: This European Standard specifies the technical delivery conditions for two qualities TR1 and TR2 of seamless tubes of circular cross-section with specified room temperature properties made of non-alloy quality steel;
• Dimensions: –;
• Grade: P195TR2, P235TR2, P265TR2, P195TR1, P235TR1, P265TR1;
• Download: BS EN 10216-1 – 2013;

4. BS EN 10216-2 – 2013

• Name: Seamless steel tubes for pressure purposes – Technical delivery conditions Part 2: Non-alloy and alloy steel tubes with specified elevated temperature properties;
• Scope: This European Standard specifies the technical delivery conditions in two test categories for seamless tubes of circular cross-section, with specified elevated temperature properties, made of non-alloy and alloy steel;
• Dimensions: –;
• Grade: P195GH, P235GH, P265GH, 20MnNb6, 16Mo3, 8MoB5-4, 14MoV6-3, 10CrMo5-5, 13CrMo4-5, 10CrMo9-10, 11CrMo9-10, 25CrMo4, 20CrMoV13-5-5, 15NiCuMoNb5-6-4, 7CrWVMoNb9-6, 7CrMoVTiB10-10, X11CrMo5+l, X11CrMo5+NT1, X11CrMo5+NT2, X11CrMo9-1+l, X11CrMo9-1+NT, X10CrMoVNb9-1, X10CrWMoVNb9-2, X11CrMoWVNb9-1-1, X20CrMoV11-1;
• Download: BS EN 10216-2 – 2013;

5. BS EN 10216-3 – 2013

• Name: Seamless steel tubes for pressure purposes – Technical delivery conditions Part 3: Alloy fine grain steel tubes;
• Scope: This European Standard specifies the technical delivery conditions in two test categories for seamless tubes of circular cross-section, made of weldable alloyed fine-grained steel;
• Dimensions: –;
• Grade: P275NL1, P275NL2, P355N, P355NH, P355NL1, P355NL2, P460N, P460NH, P460NL1, P460NL2, P620Q, P620QH, P620QL, P690Q, P690QH, P690QL1, P690QL2;
• Download: BS EN 10216-3 – 2013;

6. BS EN 10216-4 – 2013

• Name: Seamless steel tubes for pressure purposes – Technical delivery conditions Part 4: Non-alloy and alloy steel tubes with specified low-temperature properties;
• Scope: This European Standard specifies the technical delivery conditions in two test categories for seamless tubes of circular cross-section, with specified low-temperature properties, made of non-alloy and alloy steel;
• Dimensions: –;
• Grade: P215NL, P255QL, P265NL, 26CrMo4-2, 11MnNi5-3, 13MnNi5-3, 12Ni14, X12Ni5, X10Ni9;
• Download: BS EN 10216-4 – 2013;

7. BS EN 10217-2

• Name: Welded steel tubes for pressure purposes – Technical delivery conditions – Part 2: Electric welded non-alloy and alloy steel tubes with specified elevated temperature properties;
• Scope: This document specifies the technical delivery conditions for two test categories of electric welded tubes of circular cross-section, with specified elevated temperature properties, made from non-alloy quality steel or alloy special steel;
• Dimensions: –;
• Grade: P195GH, P235GH, P265GH, 16Mo3;
• Download: BS EN 10217-2 – 2019;

8. BS EN 10219

• Name: Cold-formed welded structural hollow sections of non-alloy and fine grain steels;
• Scope: This part of this European Standard specifies the technical delivery conditions for cold-formed welded structural hollow sections of circular, square, or rectangular forms and applies to structural hollow sections formed cold without subsequent heat treatment;
• Dimensions:
  wall thicknesses up to 40 mm;
  Circular: Outside diameters up to 2500 mm;
  Square: Outside dimensions up to 500 mm x 500 mm;
  Rectangular: Outside dimensions up to 500 mm x 300 mm;
  Elliptical: Outside dimensions up to 480 mm x 240 mm;
• Grade: S235JRH, S275J0H, S275J2H, S355J0H, S355J2H, S355K2H, S275NH, S275NLH, S355NH, S355NLH, S40NH, S460NLH;
• Download: BS EN 10219-1 – 2006 | BS EN 10219-2 – 2019 | BS EN 10219-3 – 2020;

9. BS EN 10255 – 2004

• Name: Non-alloy steel tubes suitable for welding and threading – Technical delivery conditions;
• Scope: This document specifies the requirements for circular non-alloy steel tubes suitable for welding and threading and provides a number of options for the finish of tube ends and coatings. This document covers tubes of specified outside diameter 10.2 mm to 165.1 mm (thread size 1/8 to 6) in two series, medium and heavy, and three types of designated thicknesses;
• Dimensions: 10.2 mm – 165.1 mm;
• Grade: S195T;
• Download: BS EN 10255 – 2004;

10. BS EN 10297-1 – 2003

• Name: Seamless circular steel tubes for mechanical and general engineering purposes- Technical delivery conditions – Part 1: Non-alloy and alloy steel tubes;
• Scope: This Part of EN 10297 specifies the technical delivery conditions for seamless circular tubes made of non-alloy and alloy steels for mechanical and general engineering purposes;
• Dimensions: –;
• Grade:
  Non-alloy quality steel: E235, E275, E315, E355, E470, E275K2, E420J2, E590K2, C22E, C35E, C45E, C60E, 38Mn6, C10E, C15E, C15R;
  Alloy quality steel: E355K2, E460K2, E730K2, 41Cr4, 25CrMo4, 30CrMo4, 34CrMo4, 42CrMo4, 36CrNiMo4, 30CrNiMo8, 41NiCrMo7-3-2, 16MnCr5, 16MnCrS5, 20NiCrMo2-2, 20NiCrMoS2-2;
• Download: BS EN 10297-1 – 2003;

11. BS EN 10305-1 – 2016

• Name: Steel tubes for precision applications – Technical delivery conditions – Part 1: Seamless cold-drawn tubes;
• Scope: This European Standard specifies the technical delivery conditions for seamless cold-drawn steel tubes of the circular cross-section for precision applications with specified outside diameter D ≤ 380 mm;
• Dimensions: 380 mm or less;
• Grade:
  Non-alloy quality steel: E215, E235, E355, E255, E410, 26Mn5, 10S10, 15S10, 18S10, 37S10, C35E, C45E;
  Alloy quality steel: 26Mo2, 25CrMo4, 42CrMo4;
• Download: BS EN 10305-1 – 2016;

DIN Standard

1. DIN 1629 – 1986

• Name: Seamless circular tubes of non-alloy and alloy steel for special purposes;
• Scope: This standard is used for seamless round steel tubes and pipes specified in Table 2, which are mainly used for equipment manufacturing, vessel, and piping works, and for general machinery and equipment works, with allowable working pressures and allowable working temperatures listed in Table 1;
• Dimensions: –;
• Grade: St37, St44, St52;
• Download: DIN 1629 – 1986;

2. DIN 2391

• Name: Seamless precision steel tubes;
• Scope: This standard is for cold-finished seamless precision steel tubes. The tubes are mainly used where accuracy to size and, possibly, a small wall thickness, a particular surface condition, and specific mechanical properties are required.
• Dimensions: 4 – 260 mm;
• Grade: St30Si, St30Al, St35, St45, St52;
• Download: DIN 2391-1-1994 | DIN 2391-2-1994;

3. DIN 2440 – 1978

• Name: Steel Tubes Medium-Weight Suitable for Screwing;
• Scope: This Standard applies to medium-weight tubes suitable for screwing. They are suitable for a nominal pressure of 25 for liquids and a nominal pressure of 10 for air and non-hazardous gases;
• Dimensions: DN 8 – DN 150;
• Grade: –;
• Download: DIN 2440 – 1978;

4. DIN 2448 – 1981

• Name: Seamless Steel Pipes and Tubes Dimensions, Conventional Masses per Unit Length;
• Scope: This Standard applies to the dimensions and the conventional masses per unit length of seamless steel pipes according to the technical conditions of delivery as stipulated in DIN 1629 Part 1 to Part 4, DIN 17 172 and DIN17175;
• Dimensions: Conforms to the requirements of DIN ISO 4200;
• Grade: –;
• Download: DIN 2448 – 1981;

5. DIN 2458 – 1981

• Name: Welded steel pipes and tubes;
• Scope: This Standard applies to the dimensions and the conventional masses per unit length of welded steel pipes according to the technical conditions of delivery as stipulated in DIN 1628 Part 1 to Part 4, DIN 17172, and DIN 17177;
• Dimensions: Conforms to the requirements of DIN ISO 4200;
• Grade: –;
• Download: DIN 2458 – 1981;

6. DIN EN 10305-1 – 2003

• Name: Steel tubes for precision applications – Technical delivery conditions – Part 1: Seamless cold-drawn tubes;
• Scope: This European Standard specifies the technical delivery conditions for seamless cold-drawn steel tubes of the circular cross-section for precision applications with specified outside diameter D ≤ 380 mm;
• Dimensions: 380 mm or less;
• Grade:
  Non-alloy quality steel: E215, E235, E355, E255, E410, 26Mn5, 10S10, 15S10, 18S10, 37S10, C35E, C45E;
  Alloy quality steel: 26Mo2, 25CrMo4, 42CrMo4;
• Download: DIN EN 10305-1 – 2003;

7. DIN 17175 – 1979

• Name: Seamless Tubes of Heat-resistant Steels Technical Conditions of Delivery;
• Scope: This standard applies to seamless tubes including tubes for headers of heat-resístant steels according to Table 1 which are used in the construction of boilers, pipe-lines, pressure vessels, and equipment to service up to 600℃ and at simultaneous high pressures, where the total stress and the relevant scaling conditions can raise or lower the temperature limit;
• Dimensions: –;
• Grade: St35.8, St45.8, 17Mn4, 19Mn5, 15Mo3, 13CrMo4-4, 10CrMo9-10, 14Mov6-3, X20CrMoV12-1;
• Download: DIN 17175 – 1979;

8. DIN 17177 – 1979

• Name: Electric Pressure-welded Steel Tubes for Elevated Temperatures Technical Conditions of Delivery;
• Scope: This Standard applies to electric resistance or induction welded tubes manufactured from the heat-resisting steels listed in Table 1 for the construction of boilers, pipework, pressure vessels, and equipment based on the existing selection of steels used in part for temperatures up to 530 ℃and at simultaneous high pressures, where the total stress and the relevant scaling conditions can raise or lower the temperature limit;
• Dimensions: –;
• Grade: St37.8, St42.8, 15Mo3;
• Download: DIN 17177 – 1979;