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16Mo3

16Mo3

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

Worldwide fabricators who supply the oil, gas and petrochemical industry, require the highest specification steels for use in the manufacture of weldable steel pressure vessels and industrial boilers. 16Mo3, which is supplied under the EN 10028 euro norm specification, is one of these steels.

16Mo3 is a chrome molybdenum based steel which has excellent heat resistance and corrosion resistant characteristics. For these reasons alone, the steel is a popular in the manufacture of pressurised vessels and boilers. The material offers good welding properties when using conventional welding methods and due to the materials excellent heat resistance, 16Mo3 is also used in pipework for transporting hot liquids.

Added chromium in the steel increases the corrosion resistance whilst the higher molybdenum content promotes the increase in resistance to elevated temperatures. 16Mo3 also has good hot and cold forming properties and is normally delivered in 'as rolled' condition. Consideration should be made concerning the level of tensile strength required before procuring 16Mo3 - whilst the material offers good overall tensile strength, this strength decreases as the temperature rises.

EN 16Mo3 Chemical Composition:

Grade

C. max

Mn.

S.

N

Cu

Si.

P.

Cr.

Ni.

Mo.

16Mo3

0.12- 0.2

0.40- 0.90

0.01

0.012

0.30

0.35

0.025

0.30

0.30

0.25- 0.35

EN 16Mo3 Mechanical Properties:

Grade

Tensile trength
(Mpa)

Yield Strength
(Mpa)

Elongation in
100-150 mm(%)

Elongation in
16 mm(%)

Max Thickness
(mm)

16Mo3

440-590

220-275

19

24

250

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. 

Equivalents for this steel grade can be found under both the ASTM and ASME steel specifications for chrome moly (A387 and SA387 respectively).

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