EN 10216-1Seamless steel tubes for pressure purposes – Technical delivery conditions – Part 1:Non-alloy steel tubes with specified room temperature properties
This Part of EN 10216 specifies the technical delivery conditions for two qualities TR1 and TR2 of seamless tubes of circular cross section with specified room temperature made of non-quality steel.
Steel grades in this standard
P195TR1 (1.0107)
P195TR2 (1.0108)
P235TR1 (1.0254)
P235TR2 (1.0255)
P265TR1 (1.0258)
EN 10208:2 Steel pipes for pipelines for combustible fluids – conditions
Part 2: Pipes of requirements class B
This European Standard specifies the technical delivery conditions for seamless and welded steel pipes for
the on land transport of combustible fluids primarily in gas supply systems but excluding pipeline applications
in the petroleum and natural gas industries. It includes more stringent quality and testing requirements than
those in EN 10208-1.
Steel Grades in this standard
Steels for seamless and welded pipes
L245NB (1.0457)
L290NB (1.0484)
L360NB (1.0582)
L415NB (1.8972)
Steels for seamless pipes
L360QB (1.8948)
L415QB (1.8947)
L450QB (1.8952)
L485QB (1.8955)
L555QB (1.8957)
Steels for welded pipes
L245MB (1.0418)
L290MB (1.0429)
L360MB (1.0578)
L415MB (1.8973)
L450MB (1.8975)
EN 10208:1 Steel pipes for pipelines for combustible fluids – conditions
Part 1: Pipes of requirements class A
This European Standard specifies the technical delivery conditions for seamless and welded steel pipes for
the on land transport of combustible fluids primarily in gas supply systems but excluding pipeline applications
in the petroleum and natural gas industries. It includes less stringent quality and testing requirements than
those in EN 10208-2.
Steel grades in this standard
L210GA (1.0319)
L235GA (1.0458)
L245GA (1.0459)
L290GA (1.0483)
L360GA (1.0499)
ASTM A519
Chemical Requirements of Low-carbon steel and other Carbon Steel Grades
Chemical Composition Limits, %, max
| Grade | C | Mn | P | S |
| MT1010 | 0.05-0.15 | 0.30-0.60 | 0.040 | 0.050 |
| MT1015 | 0.10-0.20 | 0.30-0.60 | 0.040 | 0.050 |
| MT X 1015 | 0.10-0.20 | 0.60-0.90 | 0.040 | 0.050 |
| MT1020 | 0.15-0.25 | 0.30-0.60 | 0.040 | 0.050 |
| MT X 1020 | 0.15-0.25 | 0.70-1.00 | 0.040 | 0.050 |
| 1008 | 0.10 | 0.30-0.50 | 0.040 | 0.050 |
| 1010 | 0.08-0.13 | 0.30-0.60 | 0.040 | 0.050 |
| 1012 | 0.10-0.15 | 0.30-0.60 | 0.040 | 0.050 |
| 1015 | 0.13-0.18 | 0.30-0.60 | 0.040 | 0.050 |
| 1016 | 0.13-0.18 | 0.60-0.90 | 0.040 | 0.050 |
| 1017 | 0.15-0.20 | 0.30-0.60 | 0.040 | 0.050 |
| 1018 | 0.15-0.20 | 0.60-0.90 | 0.040 | 0.050 |
| 1019 | 0.15-020 | 0.70-1.00 | 0.040 | 0.050 |
| 1020 | 0.18-0.23 | 0.30-0.60 | 0.040 | 0.050 |
| 1021 | 0.18-0.23 | 0.60-0.90 | 0.040 | 0.050 |
| 1022 | 0.18-0.23 | 0.70-1.00 | 0.040 | 0.050 |
| 1025 | 0.22-0.28 | 0.30-0.60 | 0.040 | 0.050 |
| 1026 | 0.22-0.28 | 0.60-0.90 | 0.040 | 0.050 |
| 1030 | 0.28-0.34 | 0.60-0.90 | 0.040 | 0.050 |
| 1035 | 0.32-0.38 | 0.60-0.90 | 0.040 | 0.050 |
| 1040 | 0.37-0.44 | 0.60-0.90 | 0.040 | 0.050 |
| 1045 | 0.43-0.50 | 0.60-0.90 | 0.040 | 0.050 |
| 1050 | 0.48-0.55 | 0.60-0.90 | 0.040 | 0.050 |
| 1518 | 0.15-0.21 | 1.10-1.40 | 0.040 | 0.050 |
| 1524 | 0.19-0.25 | 1.35-1.65 | 0.040 | 0.050 |
| 1541 | 0.36-0.44 | 1.35-1.65 | 0.040 | 0.050 |
EN 10216-2 Seamless steel tubes for pressure purposes – Technical delivery conditions – part 2: Non- alloy and alloy steel tubes with specified elevated temperature
This Part of EN10216 specifies the technical delivery conditions in two categories for seamless tubes of circular cross section, with specified elevated temperature properties, made of non-alloy and alloy steel.
Steel Grade: 10CrMo9-10 Steel Number: 1.7380
Steel Grade: 11CrMo9-10 Steel Number: 1.7383
| Chemical composition (cast analysis)a, in % by mass |
| Elements | 10CrMo9-10 | 11CrMo9-10 |
| C | 0.08-0.14 | 0.08-0.15 |
| Si | ≤0.50 | ≤0.50 |
| Mn | 0.30-0.70 | 0.40-0.80 |
| P max | 0.025 | 0.025 |
| S max | 0.020 | 0.020 |
| Cr | 2.00-2.50 | 2.00-2.50 |
| Mo | 0.90-1.10 | 0.90-1.10 |
| Ni | ≤0.30 | ≤0.30 |
| Al total | ≤0.040 | ≤0.040 |
| Cu | ≤0.30 b | ≤0.30 b |
a Elements not included in this Table shall not be intentionally added to the steel without the agreement of the purchaser, except for elements which may be added for finishing the cast. All appropriate measures shall be taken to prevent the addition of undesirable lelments from scrap or other materials used in the steel making process.
b Option 2: In order to facilitate subsequent forming operations, an agreed maximum copper content lower than indicated and an agreed specified maximum tin content shall apply.
Mechanical properties
| Steel grade | Tensile properties at room temperature | Impact properties a | ||||||||||
| Upper yield stength or proof strength ReH or RP0.2 for Wall Thickness T min. | Tensile Strength Rm | Elongation A min. % a | Minimum average absorbed energy KV J at a temperature of ℃ | |||||||||
| T ≤16 | 16＜T≤40 | 40＜T≤60 | 60＜T≤100 | l | t | l | t | |||||
| Mpa | Mpa | Mpa | Mpa | Mpa | 20 | 0 | -10 | 20 | 0 | |||
| 10CrMo9-10 | 280 | 280 | 270 | – | 480 to 630 | 22 | 20 | 40 | – | – | 27 | – |
| 11CrMo9-10 | 355 | 355 | 355 | – | 540 to 680 | 20 | 18 | 40 | – | – | 27 | – |
a l = longitudinal t = transverse
EN 10216-2 Seamless steel tubes for pressure purposes – Technical delivery conditions – part 2: Non- alloy and alloy steel tubes with specified elevated temperature
This Part of EN10216 specifies the technical delivery conditions in two categories for seamless tubes of circular cross section, with specified elevated temperature properties, made of non-alloy and alloy steel.
Steel Grade: 16Mo3 Steel Number: 1.5415
| Chemical composition (cast analysis)a, in % by mass |
| Elements | 16Mo3 |
| C | 0.12-0.20 b |
| Si | ≤0.35 |
| Mn | 0.40-0.90 |
| P max | 0.025 |
| S max | 0.020 |
| Cr | ≤0.30 |
| Mo | 0.25-0.35 |
| Ni | ≤0.30 |
| Al total | ≤0.040 |
| Cu | ≤0.30 c |
a Elements not included in this Table shall not be intentionally added to the steel without the agreement of the purchaser, except for elements which may be added for finishing the cast. All appropriate measures shall be taken to prevent the addition of undesirable lelments from scrap or other materials used in the steel making process.
b For wall thickness ≥ 30mm the carbon content may be increased by 0.02% for cast and product analysis.
c Option 2: In order to facilitate subsequent forming operations, an agreed maximum copper content lower than indicated and an agreed specified maximum tin content shall apply.
Mechanical properties
| Steel grade | Tensile properties at room temperature | Impact properties a | ||||||||||
| Upper yield stength or proof strength ReH or RP0.2 for Wall Thickness T min. | Tensile Strength Rm | Elongation A min. % a | Minimum average absorbed energy KV J at a temperature of ℃ | |||||||||
| T ≤16 | 16＜T≤40 | 40＜T≤60 | 60＜T≤100 | l | t | l | t | |||||
| Mpa | Mpa | Mpa | Mpa | Mpa | 20 | 0 | -10 | 20 | 0 | |||
| 16Mo3 | 280 | 270 | 260 | – | 450 to 600 | 22 | 20 | 40 | – | – | 27 | – |
a l = longitudinal t = transverse
BS EN 10216-2 Seamless steel tubes for pressure purposes – Technical delivery conditions – part 2: Non- alloy and alloy steel tubes with specified elevated temperature
This Part of EN10216 specifies the technical delivery conditions in two categories for seamless tubes of circular cross section, with specified elevated temperature properties, made of non-alloy and alloy steel.
Steel Grade: 20MnNb6 Steel Number: 1.0471
| Chemical composition (cast analysis)a, in % by mass |
| Elements | 20MnNb6 |
| C | ≤0.22 |
| Si | 0.15-0.35 |
| Mn | 1.00-1.50 |
| P max | 0.025 |
| S max | 0.020 |
| Al total | ≤0.060 |
| Cu | ≤0.30 b |
| Nb | 0.015-0.10 |
a Elements not included in this Table shall not be intentionally added to the steel without the agreement of the purchaser, except for elements which may be added for finishing the cast. All appropriate measures shall be taken to prevent the addition of undesirable lelments from scrap or other materials used in the steel making process.
b Option 2: In order to facilitate subsequent forming operations, an agreed maximum copper content lower than indicated and an agreed specified maximum tin content shall apply.
Mechanical properties
| Steel grade | Tensile properties at room temperature | Impact properties a | ||||||||||
| Upper yield stength or proof strength ReH or RP0.2 for Wall Thickness T min. | Tensile Strength Rm | Elongation A min. % a | Minimum average absorbed energy KV J at a temperature of ℃ | |||||||||
| T ≤16 | 16＜T≤40 | 40＜T≤60 | 60＜T≤100 | l | t | l | t | |||||
| Mpa | Mpa | Mpa | Mpa | Mpa | 20 | 0 | -10 | 20 | 0 | |||
| 20MnNb6 | 355 | 345 | 335 | – | 500 to 650 | 22 | 20 | – | 40 | – | 27 | |
a l = longitudinal t = transverse
ASTM A 519 – Seamless Carbon and Alloy Steel Mechanical Tubing
This specification covers several grades of carbon and alloy steel seamless mechanical tubing. When welding is used for joining the weldable mechanical tube grades, the welding procedure shall be suitable for the grade, the condition of the components, and the intended service. This specification covers both seamless hot-finished mechanical tubing and seamless cold-finished mechanical tubing in sizes up to and including 12 – 3⁄4 in. (323.8 mm) outside diameter for round tubes with wall thicknesses as required. The tubes shall be furnished in the following shapes, as specified by the purchaser: round, square, rectangular, and special sections.
Grade: 4140
Chemical Compositions (max, %)
| Heat Analysis | C | Mn | P | S | Si | Cr | Mo |
| 0.38-0.43 | 0.75-1.00 | 0.040 | 0.040 | 0.15-0.35 | 0.80-1.10 | 0.15-0.25 |
Mechanical Requirements (min)
These requirements shall not be considered unless specified in the order.
| Condition | Ultimate Strength | Yield Strength | Elongation in 2 in. or 50 mm,% |
Rockwell Hardness B Scale |
| HR | 855 | 621 | 15 | 100 |
| SR | 855 | 689 | 10 | 100 |
| A | 552 | 414 | 25 | 85 |
| N | 855 | 621 | 20 | 100 |
HR = Hot Rolled, SR = Stress Relieved, A = Annealed, N = Normalized
EN 10305 – 4 Steel tubes for precision applications – Technical delivery conditions – Part 4: Seamless cold drawn tubes for hydraulic and pneumatic power systems
This part of this European Standard specifies the technical delivery conditions for seamless cold drawn steel tubes of circular cross section used in hydraulic and pneumatic power systems.
Tubes according to this part of this European Standard are characterized by having precisely defined tolerances on dimensions and a specified surface roughness.
The allowed pressure rates and temperatures are the responsibility of the customer in accordance with the state of the art in application of the safety coefficients specified in the applicable regulations, codes or standards.
| Chemical composition (cast analysis)a | |||||||
| Steel name | Steel number | C | Si | Mn | P | S | Al |
| max. | max. | max. | max. | max. | min. | ||
| E215 | 1.0212 | 0.1 | 0.05 | 0.70 | 0.025 | 0.025 | 0.025 |
| E235 | 1.0308 | 0.17 | 0.35 | 1.20 | 0.025 | 0.025 | – |
| E355 b | 1.0580 | 0.22 | 0.55 | 1.60 | 0.025 | 0.025 | – |
a Elements not included in this Table(but see footnote b) shall not be intentionally added to the steel without the agreement of the purchaser except for elements which may be added for finishing the cast. All appropriate measures shall be taken to prevent the addition of undesirable elements from scrap or other materials used in the steel making process.
b Addition of Nb, Ti and V are permitted at the discretion of the manufucturer. The content of these elements shall be reports.
Mechanical properties at room temperature
| Steel name | Steel number | Yield strengtha ReH | Tensile strength Rm | elongation A |
| Min.Mpa | Min.Mpa | Min.% | ||
| E215 | 1.0212 | 215 | 290 to 430 | 30 |
| E235 | 1.0308 | 235 | 340 to 480 | 25 |
| E355 | 1.0580 | 355 | 490 to 630 | 22 |
a For tubes with outside diameter ≤ 30 mm and wall thickness ≤ 3 mm the ReH minimum values are 10 MPa lower than the values given in this Table.
NOTE: The steel grades defined in this part of EN10305 have an intrinsic minimum transverse impact energy of 27 J at 0℃.
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