Material No.: 1.5415

DescriptionChemical
composition		Physical
mechanical
properties		Temparature
information		StandardsProcess
information		Application
Certification		ProductsAll

Description

EN symbol (short)16Mo3(alt:15Mo3)
UNSK 11562
Grade P12 / T12
UNSK 11597
Grade P11 / T11
AFNOR16 Mo3 / EN 10216 (008/2007) (FR)
BS16 Mo3 / EN 10216 (008/2007) (GB)
Density kg/dm37,85
Hardness HB30130-170 (to max 60mm)
Composition
CategoryHigh-temperature steel
Structure

Chemical Composition

 CSiMnPSCrCuMoNiN
1.5415Min %0,12 0,40    0,25  
Max %0,200,350,900,0250,0100,300,300,350,300,012
(Key to steel 2010)
K 11562 Min %0,05 0,30  0,80 0,44  
Max %0,150,500,610,0250,0251,25 0,65  
UNS K11562(ASTM A 335/213 -P12/T12)
K 11597Min %0,050,500,30  1,00 0,44  
Max %0,151,000,600,0250,0251,50 0,65  
K 11597 (ASTM A335 /213-P11/T11)

Physical properties

PropertyValue
Density: kg/dm37,85
Hardness: HB30130-170 (to max 60mm)
Tensile strenght Rm (Mpa) /ksi440 /63,8
magnetizableyes
Temperature T
°C/F
(°C/F)		Specific heat
J / kgK
(Btu / lb °F)		Thermal conductivity
W/mK
(Btu·in / ft2·h·°F)		Electric resistance
µΩ · cm
(Ω circ mill / ft)		Modulus of elasticity
kN/mm2
(103 ksi)		Expansion rate from 70°F bis T
10-6 / K
(10-6 / °F)
20 /68461(--948,5 (--)0,20 (--)210 (--)11,5 (--)
300 / 572517 (--)43,1 (--)0,412 (--)192 (--)12,9 (--)
400 / 752538 (--)39,9 (--90,514 (--)184 (--)13,5 (--)
500 / 932556 (--)38,6 (--)0,633 (--)176 (--)13,9 (--)
Temp.Creep strain limitCreep strain limitCreep rupture strengthCreep rupture strengthCreep rupture strength
°C / °F10 000h100 000h200 000h
°C / °FN/mm2 / ksiN/mm2 /ksiN/mm2 /ksi
450 / 842  298 / 43,2239 / 34,6217 / 31,4
470 / 878  247 / 35,8178 / 25,8159 / 23,0
500 / 932  171 / 24,8101 / 14,684 / 12,2
510 / 950  147 / 21,391 / 13,269 / 10,0
530 / 986  102 / 14,853 / 7,745 / 6,5
ksi value calculated
(for Plate )
Temperaturoffset yield strength
or 0,2-limitation
in high temperatures
°C/°FN/mm2 / ksi
100 / 212265 / 41,3
200 / 392240 / 34,8
300 / 572195 / 28,3
400 / 752150 / 21,7
500 7 932140 / 20,3

Mechanical properties (20°C / 68°F)

Yield strength Mpa / ksi (min)380 / 55
offset yield strength( 0,2% mind.Rp0,2 )] Mpa / ksi440 / 63,8
Tensile strenght Rm (N/mm2) /ksi490-735 /71-106,6
Elongation A5 (%)30≤ 3 ≤ 75 mm Thickness
Notched impact strength ISO-V31 J< 75mm ,transverse
E-Modul (Mpa)212.000

Temparature information

Application area
Operation temperature-4 ºF  to 986 ºF to AD-Merkblatt W 1
Solution heat treatment
Working temperature ºF  to  ºF .
Hardening
Working temperature1670 ºF  to 1724 ºF 
Explanation reportcooling-down: oil
Solution heat treatment
Working temperature2012 ºF  to 1562 ºF 
Explanation reportcooling-down: air
Normalizing
Working temperature1634 ºF  to 1742 ºF 
Explanation reportcool down:air
Processing informationsAvoid further holding, when working temperature is reached throughout entire cross section
annealing
Working temperature1256 ºF  to 1310 ºF .
stress relief annealing
Working temperature986 ºF  to 1148 ºF 

Standards / information

StandardsDesciption
ASTM A 161seamless destillation tubes made of low-alloy or M o-C steel used in refinery construction
ASTM A 209Standard Specification for Seamless Carbon-Molybdenum Alloy-Steel Boiler and Superheater Tubes
ASTM A 335Standard Specification for Seamless Ferritic Alloy -Steel Pipe for High-Temperature apllications
DIN 10217-2 (10/2007)Welded steel pipes under compression load Electro-welded pipes made from non-alloyed and alloyed steel with specified properties in high temperatures
DIN EN 10216-2(10/2007)Stanless steel tubes for pressure purposes. Non-alloy and alloy steel tubes with specified elevated temperature properties
SEW 310 (08/1992)physical properties of steel
VdTÜV / Werkstoffblatt 570 / Ausgabe 09.11normalisingly rolled flats made from 16Mo3 (Material-Nr. 1.5415) ribbon, sheet from ribbon

Process information

Welding
 - Material classification acc. CEN ISO/TR 156081.1
 - TypeWIG
submerged arc welding
manual arc welding (E)
MAG solid wire
MAG cored wire
 - Hintsmaterial is weldable in all widths using aforementioned techniques
pre-heat to 392°F if material width >0.4"

Main fields of application

Details of applicationuninterrupted service up to 986°F wall temperature
Certifications
Power plantspressure containers
Steam boiler construction
header
pipes and tubes
crude oilvarious plant parts

Range of products

Product typeProduct
Processing / Constructionfrom sheets
from pipes, fittings, flanges (welded)
Plates / Sheetsplates/sheets
plate/sheet cuts
Fittingswelded elbows
welded reductions
Welded T-pieces
seamless elbows
seamless reductions
seamless T-pieces
Flanges / Collars / Flared tube endsvarious flanges (weld neck flange,blind flange etc.)
Bumped boiler ends / caps / round blanksfrom sheets
Pipes / Tubeswelded pipes/tubes
welded square pipes/tubes
seamless pipes/tubes
Bar steelflat steel
section steel

Liability exclusion

All aforementioned specifications serve as a general orientation and have to be reviewed depending on the conditions of use.
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