EN 10216-2 1.5415 16Mo3 Seamless Steel Tubes

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EN10216-2 16Mo3 seamless steel tubes are are used for high temperature service applications in oil refinery piping, steam pipeline, and power plant projects, etc.

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EN 10216-2 16Mo3 Seamless steel tubes
 
Standard:EN 10216-2
Seamless steel tubes for pressure purposes —Technical delivery conditions
Part 2: Non-alloy and alloy steel tubes with specified elevated temperature properties
 
EN 10216-2 16Mo3 Seamless steel tubes for pressure purposes

Application
EN10216-2 16Mo3 seamless steel tubes are are used for high temperature service applications in oil refinery piping, steam pipeline, and power plant projects, etc.
 
 
EN 10216-2 16Mo3 Seamless steel tubes Quick Details
Manufacture:Seamless process
Wall thickness(WT): 2.1mm——20 mm.
Outer diameter (OD): 21 mm——509mm
Length: 6M or specified length as required.
Ends: Plain End, Beveled End, Treaded
 
Additional Info
Port of Shipment: Tianjin, China
Payment Terms:T / T, LC
Delivery: 30 days after payment,7 days for stock goods.
Surface: Tubes will be varnished (Outside only) to prevent rust.
Marking: Standard + Steel Grade + Size + Heat No + Lot No
Package: Bundles (hexagonal),Wooden Boxes,Crates (steel/wooden) or as required
 

MANUFACTURING PROCESS
(1)Steel making process
Steels shall be fully killed.
(2)Tube manufacture and delivery conditions
The tubes shall be manufactured by a seamless process.
The tubes can be either hot or cold finished.The tubes shall be cold finished before heat treatment.
 
Heat Treatment EN 10216-2 16Mo3 Seamless steel tubes

Steel grade Heat
treatment
a		 Austenizing Tempering
Steel
name		 Steel
number		 Temperature °C Cooling
Medium		 Temperature °C Cooling
medium
16Mo3 1.5415 +N 890 to 950 Air - -
Note:+N (Normalising includes Normalising Forming)
 

Chemical composition of EN 10216-2 16Mo3
Steel grade Steel number C Si Mn P max S max
16Mo3 1.5415 0.12- 0.20 ≤ 0.35 0.40- 0.70 0.025 0.020
 
Cr Mo Ni Al tot Cu
≤0.30 0.25- 0.35 ≤ 0,30 ≥ 0.020 ≤ 0.30 
 
 
Mechanical properties of EN 10216-2 16Mo3

Grade

Yield Strength min

Tensile Strength

　

Minimum energy average absorbed KVJ at the temperature of 0°C

T≤16

16<T≤40

40<t≤60

60<T≤100

Elongation A min%

I

T

MPa

MPa

MPa

MPa

MPa

I

t

20

0

-10

20

0

16Mo3(1.5415)

280

270

260

-

450- 600

22

20

40

-

-

27

-
Note:l = longitudinal t = transverse
 
 
 
 Dimensions tolerances of EN 10216-2
 
Tolerances on outside diameter and wall thicknes
Outside Diameter D mm Tolerances on
D		 Tolerances on T for a T/D ratio
    ≤ 0,025 > 0,025
≤ 0,050		 > 0,050
≤ 0,10		 > 0,10
D ≤ 219,1 ± 1% or ± 0.5mm  
whichever is the greater		 ± 12,5% or ± 0.4mm whichever is the greater
D > 219,1 ± 20% ± 15% ± 12,5% ± 10% a
a For outside diameters D ≥ 355,6 mm it is permitted to exceed the upper wall thickness locally by a further 5% of the wall thickness T
 

Tolerances on inside diameter and wall thickness
Tolerances on inside diameter Tolerances on T for a T/d ratio
d d min ≤ 0,03 > 0,03
≤ 0,06		 > 0,06
≤ 0,12		 > 0,12
± 1% or ± 2 mm whichever is the greater (+ 2% ,0)or (+ 4 mm,0)
 		 whichever is the greater ± 20% ± 15% ± 12,5% ± 10% a
a For outside diameters D ≥ 355,6 mm it is permitted to exceed the upper wall thickness locally by a further 5% of the wall thickness T
 
 
Tolerances on outside diameter and minimum wall thickness
Outside diameter D mm Tolerances on D Tolerances on T min for a T min /D ratio
≤ 0,02 > 0,02
≤ 0,04		 > 0,04
≤ 0,09		 > 0,09
D ≤ 219,1 ± 1% or ± 0.5mm
whichever is the greater		 (+ 28%,0) or (+ 0.8 mm,0) whichever is the greater
D > 219,1 + 50%
0		 + 35%
0		 + 28%
0		 + 22% a
0
a For outside diameters D ≥ 355,6 mm it is permitted to exceed the upper wall thickness locally by a further 5% of the wall thickness T
 
 
Tolerances on inside diameter and minimum wall thickness
Tolerances
on inside diameter		 Tolerances on T min for a
T min /d ratio
d d min ≤ 0,05 > 0,05
≤ 0,1		 > 0,1
± 1% or ± 2 mm
whichever is the greater		 (+2%,0) or (+ 4 mm,0) whichever is the greater + 35%
0		 + 28%
0		 + 22% a
0
a For outside diameters D ≥ 355,6 mm it is permitted to exceed the upper wall thickness locally by a further 5% of the wall thickness T
 
 
Tolerances on exact lengths
Dimension in mm
Length L Tolerance on exact length
L ≤ 6000 +10
0
6000 < L ≤ 12 000 +15
0
L > 12 000 + by agreement
0

 
 
TESTINGS
(1)Chemical analysis
(2)Tensile test(Tensile test at room temperature, Tensile test at elevated temperature)
(3)Flattening test
(4)Ring tensile test
(5)Drift expanding test
(6)Ring expanding test
(7)Impact test
(8)Leak tightness test(Hydrostatic test,  Electromagnetic test)
(9)Dimensional inspection
(10) Visual examination
(11) Non-destructive testing
 
 
MARKING
Marking to be applied
The marking shall be indelibly marked on each tube at least at one end. For tubes with outside diameter D ≤ 51 mm the marking on tubes may be replaced by the marking on a label attached to the bundle or box.
 
 
PROTECTION
The tubes will be delivered with A temporary protective coating or durable coating and/or lining
 

Ordering Information
Mandatory information
a) the quantity (mass or total length or number);
b) the term "tube";
c) the dimensions ;
d) the designation of the steel grade in accordance with this Part of EN 10216 ;
e) the test category for non-alloy steel .
 
 
Options
1) Cold finishing.
2) Restriction on copper and tin content.
3) Product analysis.
4) Impact testing .
5) Longitudinal impact testing at -10° C for non-alloy steel grades.
6) Tensile testing at elevated temperature .
7) Selection of leak-tightness test method .
8) Non-Destructive Testing for test category 2 tubes for detection of transverse imperfections.
9) Non-Destructive Testing for test category 2 tubes for detection of laminar imperfections .
10) Special ends preparation.
11) Set of dimensions other than D and T.
12) Exact lengths ).
13) The type of inspection document other than the standard document.
14) Test pressure for hydrostatic leak-tightness test .
15) Wall thickness measurement away from the ends .
16) Non-Destructive Testing method.
17) Additional marking .
18) Protection .

Packaging Picture of EN 10216-2 16Mo3 Seamless Steel Tubes




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