16Mo3

Low-alloy, heat-resistant steel for pressure vessels. Chromium molybdenum steel.
High heat and corrosion resistance thanks to a higher percentage of chromium and molybdenum in the chemical composition. Good weldability and good cold and hot-rolling properties.

Technical Characteristics:

Standard

EN10028-2

Identification Number

1.5415

Classification

Type

Alloyed/Unalloyed

Rolling State

Normalised

Brief Description

Low-alloy, heat-resistant steel for pressure vessels. Chromium molybdenum steel.
High heat and corrosion resistance thanks to a higher percentage of chromium and molybdenum in the chemical composition. Good weldability and good cold and hot-rolling properties.

Applications

Pressure vessels, boiler works, pipes containing hot liquids.

Standard Coil Stock Range

16Mo3 1500 2000
2
3
4
5
6
8
10

Chemical Composition

Regulatory standard

Element Value
C (%) 0,12-0,20
Si (%) ≤ 0,35
Mn (%) 0,40-0,90
P (%) ≤ 0,025
S (%) ≤ 0,010
AI (%)
Nb (%)
Ti (%)
V (%)
Mo (%) 0,25-0,35
Cu (%) ≤ 0,30
Element Value
Cr (%) ≤ 0,30
Ni (%) ≤ 0,30
N (%) ≤ 0,012
B (%)
Nb+Ti+V (%)
Cr+Mo+Ni (%)
Ni+Cr+Cu+Mo (%)
C.E.V. (%)

C.E.V. (%) = C+(Mn/6)+[(Cr+Mo+V)/5]+[(Ni+Cu)/15]

Mechanical Properties

According to UNI EN 10028

Mechanical characteristics Direction Thicknesses Values
 Re (MPa) T ≤ 16 ≥ 275
T > 16 ≤ 40 ≥ 270
 Rm(MPa) T ≤ 16 440-590
T > 16 ≤ 40 440-590
 A80 (%) T ≥ 18
 A5 (%) T ≥ 22
 Bend Test 180°
 KV 20°C (J) T ≥ 31
 KV 0°C (J)
 KV -20°C (J)
 KV -40°C (J)
 KV -50°C (J)

* = Standard option
t = thickness in mm of the test piece for the bend test
L = Tensile testing carried out on longitudinal test pieces
T = Bend tests carried out on cross-cut test pieces

Tolerances

Tolerances on the dimensions and on the shape                     UNI EN 10051
Surface condition                                                                         UNI EN 10163-2

Certifications

EN 10204-3.1 PED 97/23/EC AD2000W1

DISCLAIMER: SIDASTICO S.p.A. declines any and all liability for the accuracy and precision of the information herein and reserves the right to modify any part without advanced notice.

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