Steel for heaters and pressure vessels. Excellent notch sensitivity and weldability.
Technical Characteristics:
Standard
ASME
Identification Number
–
Classification
–
Type
–
Rolling State
Normalised
Brief Description
Steel for heaters and pressure vessels. Excellent notch sensitivity and weldability.
Applications
Pressure vessels, boilers and heat exchangers, above all in oil, gas, and petrochemical industries.
Standard Coil Stock Range
SA516 Gr.70
1500
2000
3
●
4
●
5
●
●
6
●
●
8
●
●
10
●
●
12
●
●
15
●
Chemical Composition
Regulatory standard
Element
Value
C (%)
≤ 0,28*
Si (%)
≤ 0,40
Mn (%)
≤ 1,20*
P (%)
≤ 0,025
S (%)
≤ 0,025
AI (%)
Nb (%)
Ti (%)
V (%)
Mo (%)
Cu (%)
Element
Value
Cr (%)
Ni (%)
N (%)
B (%)
Nb+Ti+V (%)
Cr+Mo+Ni (%)
Ni+Cr+Cu+Mo (%)
C.E.V. (%)
* = for thicknesses in mm ≤ 50 C.E.V. (%) = C+(Mn/6)+[(Cr+Mo+V)/5]+[(Ni+Cu)/15]
Mechanical Properties
According to ASME 516 Gr. 70
Mechanical characteristics
Direction
KSI
Values
Re (MPa)
T
70-90
485-620
Rm(MPa)
T
38
≥ 260
A200 (%)
T
≥ 17
A50 (%)
T
≥ 21
Bend Test 180°
KV 20°C (J)
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 EN10163 Cl. A
Certifications
EN 10204-3.1
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.