16Mo3 Steel

16Mo3 Steel Plate
16Mo3 Steel Plate

 

16Mo3 is a EN10028 specified pressure vessel grade chrome molybdenum steel alloy for use in elevated working temperatures.

The material is used as a weldable steel in the fabrication of industrial boilers and steel pressurised vessels found in the oil, gas and chemical industry. Due to the materials chrome and molybdenum content, 16Mo3 has excellent heat resistance and corrosion resistant characteristics.Grade 16Mo3 is available ex-stock from Santok Steel and the material comes with test certification and stamping. Technical details are outlined in the data tables below.

16Mo3 steel is a pressure vessel steel that is used in applications with elevated temperatures according to EN 10028–2. It has improved mechanical properties and better creep resistance allowing it to be used up to 500°C. This makes it ideal for a wide range of uses where the plates will have to perform at a high temperature continuously.

16MO3 Steel Application

Typical applications for 16Mo3 include a wide range of power plant equipment, industrial exhaust, venting and flare systems and waste recycling and incineration plants. It is also valuable for machinery where parts are likely to remain hot for an extended period.In power plants it is regularly used in boilers, superheater tubes, collector and hot steam pipes, stove tubes and conduits. 16Mo3 is also used in various types of heat exchanger in both the upstream and downstream oil and gas industry

One example of how 16Mo3 plates is used is in the steel making process itself. The blast furnace requires plenty of hot air to convert the iron to steel and much of the output air is recovered and used to reheat the input and reduce costs. Traditionally the blast furnaces are made of standard carbon pressure vessel steels, but 16Mo3 provides a good alternative as it is more resistant to the huge thermal stresses that it undergoes on a daily basis. The 16Mo3 is also more resistant to the corrosion formed by nitrates as nitrogen oxide is removed from the steel mix. And this combination of properties can increase the life expectancy of critical plant equipment and reduce downtime.

16Mo3 Steel Specification
 

Grade :
    16Mo3
    Number:     1.5415
    Classification:     Alloy special steel
    Density:     7.85   g/cm ³
    Standard:
    EN 10028-2: 2009 Flat products made of steels for pressure purposes. Non-alloy and alloy steels with specified elevated temperature properties
    EN 10222-2: 2000 Steel forgings for pressure purposes. Ferritic and martensitic steels with specified elevated temperature properties
    EN 10216-2: 2014 Seamless steel tubes for pressure purposes. Technical delivery conditions. Non-alloy and alloy steel tubes with specified elevated temperature properties
    EN 10217-5: 2002 Welded steel tubes for pressure purposes. Submerged arc welded non-alloy and alloy steel tubes with specified elevated temperature properties
    EN 10217-2: 2002 Welded steel tubes for pressure purposes. Electric welded non-alloy and alloy steel tubes with specified elevated temperature properties
    EN 10253-2: 2007 Butt-welding pipe fittings. Non alloy and ferritic alloy steels with specific inspection requirements
    EN 10273: 2007 Hot rolled weldable steel bars for pressure purposes with specified elevated temperature properties

 

16Mo3 – Chemical Composition

Element

Percentage %

Element

Percentage %

C

0.12/0.20

Ni

0.30

Si

0.35

Nb

-

Mn

0.40/0.90

Ti

-

P

0.025

V

-

S

0.010

Al

Cr

0.030

N

0.012

Mo

0.25/0.35

Cu

0.30

 

16Mo3 – Mechanical Properties
Grade

Thickness

Temperature (°C)

50

100

150

200

250

300

350

400

450

500

(mm)

MPa

MPa

MPa

MPa

MPa

MPa

MPa

MPa

MPa

MPa

16Mo3

≤16

273

264

250

233

213

194

175

159

147

141

 

>16 ≤40

268

259

245

228

209

190

172

156

145

139

 

>40 ≤60

258

250

236

220

202

183

165

150

139

134

 

>60 ≤100

238

230

218

203

186

169

153

139

129

123

 

>100 ≤150

218

211

200

186

171

155

140

127

118

113

 

>150 ≤250

208

202

191

178

163

148

134

121

113

108

Cross reference table for  Steel 16Mo3 (DIN, WNr )   and its European equivalent 16Mo3 (1.5415) ( EN )

EU 
EN
USA
-
Germany
DIN,WNr
Japan
JIS
France
AFNOR
England
BS
Italy
UNI
Spain
UNE
Sweden
SS
Poland
PN
Czechia
CSN
Austria
ONORM
Inter
ISO
16Mo3 (1.5415)
A204Gr.A
A204Gr.B
15Mo3
16Mo3
STBA12
15D3
1503-243B
240
243
15Mo3
16Mo3
16Mo3
2912
16M
15020
15Mo3KW
F26
P26
TS26