EN 10217-5 Welded steel tubes for pressure purposes
 
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EN 10217-7 2005 is the material standard for stainless steel for welded tubes for pressure purposes. This new standard was first published in February 2005.

EN 10217-5/A1 Document Information:

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

This part of EN 10217 specifies the technical delivery conditions in two test categories of submerged arc welded tubes of circular cross section, with specified elevated temperature properties, made of non-alloy and alloy steel.

Included in the standard are chemical compositions, delivery conditions and process route symbols, ambient temperature mechanical properties, some additional optional tests (leak testing, flattening, drift expansion, bending and non-destructive testing) and some dimensional and tolerance requirements.

Austenitic, and austenitic-ferritic duplex stainless steel grades are included in the range of grades specified in this standard. Only the chemical composition of the stainless steel in the standard are listed in this article.


It is interesting to compare the grades listed in this standard with those in the standard for welded stainless steel for general engineering purposes EN 10296-2. See table below. The implication of this is that some grades can be used for pressure purposes which cannot be used for general purposes. It is unlikely that this anomaly was the intention of  the standards writers.

The Cr and Ni contents are quoted to 2 decimal places in EN 10217-7 whereas EN 10296-2 quotes only 1 dp. The reason for this is not clear.

For grade 1.4307, the composition differs from that in EN 10296-2, in that the Ni content is 8.00/10.00 compared to 8.0/10.5. This reflects the difference in the flat products standards to which the original strip would be made:

EN 10088-2 - Flat products for general purposes 1.4307 Ni 8.0/10.5

EN 10028-7 Flat products for pressure purposes 1.4307 Ni 8.00/10.00

The reason for these differences is not explained in the standard.

It might be expected that any steels appearing in EN 10028-7 Flat products for pressure purposes would appear in the comparable welded tube standard. This is not the case. The following grades in EN 10028-7 are not found in BS EN 10217-7:

Ferritic grades - 1.4003, 1.4516, 1.4510, 1.4521, 1.4520, 1.4509

Martensitic grades - 1.4313, 1.4418

Austenitic grades - 1.4318, 1.4315, 1.4406, 1.4335, 1.4466, 1.4580, 1.4434, 1.4537

Duplex grades - 1.4507

Creep resisting steels - 1.4948, 1.4950, 1.4951, 1.4941 EN 10217-7 chemical composition tables

Corrosion Resistant Steel

Designation Chemical composition (% by mass - max unless stated)
Steel name Steel No. C Si Mn P S Cr Mo Ni Cu N Others In 
10296
-2?
Austenitic steels
X2CrNi18-9 1.4307 0.030 1.00 2.00 0.045 0.015 17.50/19.50 - 8.00/10.00 - 0.11 - Yes
X2CrNi19-11 1.4306 0.030 1.00 2.00 0.045 0.015 18.00/20.00 - 10.00/12.00 - 0.11 - Yes
X2CrNiN18-10 1.4311 0.030 1.00 2.00 0.045 0.015 17.00/19.50 - 8.50/11.50 - 0.12
/0.22
- Yes
X5CrNi18-10 1.4301 0.07 1.00 2.00 0.045 0.015 17.00/19.50 - 8.00/10.50 - 0.11 - Yes
X6CrNiTi18-10 1.4541 0.08 1.00 2.00 0.045 0.015 17.00/19.00 - 9.00/12.00 - -

Ti 5xC

/0.70

Yes
X6CrNiNb18-10 1.4550 0.08 1.00 2.00 0.045 0.015 17.00/19.00 - 9.00/12.00 - -

Nb
10xC

/1.00

Yes
X2CrNiMo17-12-2 1.4404 0.030 1.00 2.00 0.045 0.015 16.50/18.50 2.00/
2.50
10.00/13.00 - 0.11 - Yes
X5CrNiMo17-12-2 1.4401 0.07 1.00 2.00 0.045 0.015 16.50/18.50 2.00/
2.50
10.00/13.00 - 0.11 - Yes
XCrNiMoTi17-12-2 1.4571 0.08 1.00 2.00 0.045 0.015 16.50/18.50 2.00/
2.50
10.50/13.50 - -

Ti
5xC

/0.70

Yes
X2CrNiMo17-12-3 1.4432 0.030 1.00 2.00 0.045 0.015 16.50/18.50 2.50/
3.00
10.50/13.00 - 0.11 - Yes
X2CrNiMoN17-13-3 1.4429 0.030 1.00 2.00 0.045 0.015 16.50/18.50 2.50/
3.00
11.00/14.00 - 0.12
/0.22
- Yes
X3CrNiMo17-13-3 1.4436 0.05 1.00 2.00 0.045 0.015 16.50/18.50 2.50/
3.00
10.50/13.00 - 0.11 - Yes
X2CrNiMo18-14-3 1.4435 0.030 1.00 2.00 0.045 0.015 17.00/19.00 2.50/
3.00
12.50/15.00 - 0.11 - Yes
X2CrNiMoN17-13-5 1.4439 0.030 1.00 2.00 0.040 0.015 16.50/18.50 4.00/
5.00
12.50/14.50 - 0.12
/0.22
- Yes
X2CrNiMo18-15-4 1.4438 0.030 1.00 2.00 0.045 0.015 17.50/19.50 3.00/
4.00
13.00/16.00 - 0.11 - No
X1NiCrMoCu31-27-4 1.4563 0.020 0.70 2.00 0.030 0.010 26.00/28.00 3.00/
4.00
30.00/32.00

0.70

/1.50

0.11 - No
X1CrNiMoCu25-20-5 1.4539 0.020 0.70 2.00 0.030 0.010 19.00/21.00 4.00/
5.00
24.00/26.00

1.20

/2.00

0.15 - Yes
X1CrNiMoCuN20-18-7 1.4547 0.020 0.70 1.00 0.030 0.010 19.50/20.50 6.00/
7.00
17.50/18.50

0.50

/1.00

0.18
/0.25
- Yes
X1NiCrMoCuN25-20-7 1.4529 0.020 0.50 1.00 0.030 0.010 19.00/21.00 6.00/
7.00
24.00/26.00

0.50

/1.50

0.15
/0.25
- No
Austenitic ferritic steels
X2CrNiN23-4 1.4362 0.030 1.00 2.00 0.035 0.015 22.00/24.00 0.10/
0.60
3.50/5.50

0.10

/0.60

0.05
/0.20
- Yes
X2CrNiMoN22-5-3 1.4462 0.030 1.00 2.00 0.035 0.015 21.00/23.00 2.50/
3.50
4.50/6.50 - 0.10
/0.22
- Yes
X2CrNiMoN25-7-4 1.4410 0.030 1.00 2.00 0.035 0.015 24.00/26.00 3.00/
4.50
6.00/8.00 - 0.20
/0.35
- Yes
X2CrNiMoCuWN25-7-4 1.4501 0.030 1.00 1.00 0.035 0.015 24.00/26.00 3.00/
4.00
6.00/8.00

0.50

/1.00

0.20
/0.30
W 0.50
/1.00
No

Keywords:

ACCEPTANCE (APPROVAL)
ALLOY STEELS
ANALYSIS
CHEMICAL ANALYSIS AND TESTING
CHEMICAL COMPOSITION
COMPRESSION STRESSES
DEFINITION
DEFINITIONS
DELIVERY CONDITIONS
DESIGNATIONS
DIMENSIONS
INSPECTION
MANUFACTURING PROCESS
MARKING
METHODS OF MANUFACTURE
ORDERS (SALES DOCUMENTS)
PIPES
PRESSURE PIPES
PRESSURE VESSELS
PRODUCTION
PROPERTIES
SEAMED PIPES
SPECIFICATION (APPROVAL)
STEEL PIPES
STEEL TUBES
STEELS
SUBMERGED ARC WELDING
SURFACE PROTECTION
SURFACES
TEMPERATURE
TEMPERATURE BEHAVIOUR
TEST METHODS
TEST RESULTS
TESTING
TIGHTNESS
TOLERANCES (MEASUREMENT)
UNALLOYED STEELS
VESSELS
WEIGHT

EN 10217-7 Chemical Compositions of Stainless Steel Pipes
EN 10217-5/A1 Welded steel tubes for pressure purposes
Ambient temperature mechanical properties for EN 10217-7
Ambient temperature mechanical properties for BS EN 10253-3 and 10253-4
EN10216-5 Stainless Steel Tube
Ambient temperature mechanical properties for EN 10216-5
Chemical compositions of stainless steels to EN 10216-5
EN 10216-5 stainless steel tubes pipes
EN 10293:2005. Steel Castings for General Engineering Uses
EN 10277-1:2008 Bright Steel Products Technical delivery conditions. General
EN 10213 :2008 Steel Castings for pressure purposes
EN 10149-1:1996: Specification for hot-rolled flat products made of high yield strength steels for cold forming. General delivery conditions
EN 10132-1:2000 Cold rolled narrow steel strip for heat treatment - Technical delivery conditions (T.D.C.)-General
EN 10130:2006 Cold Rolled low-carbon steel flat products for cold forming - Technical delivery conditions
EN 10088 Stainless Steels
EN 10087 Free Cutting Steels- Technical Delivery conditions for semi-finished products hot rolled bars and rods
EN 10083-1 :2006 Quenched and Tempered Steels - Technical Delivery Conditions for Special Steels
EN 10025-1:2004 - Hot rolled products of structural steels. General technical delivery conditions
EN 10028-1:2000 - Flat products made of Steel for Pressure Purposes:General Requirements
EN 10027 Designation systems for steel. Steel names, principal symbols, Steel numbers
EN 10079:1992- Definition of steel products
British Standard Strength of Steel
EN 10088-3 Chemical Composition Stainless Steel
EN 10088-1 Elevated temperature physical properties of stainless steel
EN 10217-5 / A1 Welded steel tubes for pressure purposes
EN 10217-7 Ambient temperature mechanical properties
EN 10217-7 Chemical Compositions of Stainless Steel Pipes
EN 10088-1 Elevated temperature physical properties of stainless steel
EN 10088-1 Ambient temperature physical properties of stainless steel
EN 10216-5 Ambient temperature mechanical properties
EN 10216-5 Chemical compositions of stainless steels
EN 10253-3 and 10253-4 Ambient temperature mechanical properties

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