ASME SA516 Gr.70

ASME SA516 Gr.70 steel sheets are carbon steels specifically designed for pressure vessels, boilers and equipment operating at moderate and lower temperatures. Manufactured in accordance with ASME SA516, Grade 70 combines excellent mechanical strength, toughness and weldability. Therefore, it is one of the most widely used materials in the pressure equipment, energy and process industries, where reliability and safety are essential.

Sidastico supplies this material with cut-to-size services in a wide range of thicknesses and dimensions. Precision cutting ensures excellent dimensional accuracy, reduces material waste and improves production efficiency. Furthermore, every order is supplied with an EN 10204 3.1 certificate, ensuring full material traceability and compliance with international quality standards.

The material is suitable for welding, flame cutting, laser cutting and conventional machining operations. As a result, it is widely used in the manufacture of pressure vessels, boilers, heat exchangers, storage tanks, reactors, columns and industrial process equipment. In addition, its balanced mechanical properties provide dependable performance and excellent fabrication characteristics for demanding applications.

Thanks to its combination of strength, toughness and good weldability, this steel is commonly selected for projects in the oil and gas, petrochemical, chemical, power generation and process industries. Moreover, its versatility allows manufacturers to produce complex components while maintaining high quality standards and reliable long-term performance.

Finally, Sidastico supplies ASME SA516 Gr.70 steel sheets with fast delivery, consistent quality and expert technical support. Extensive stock availability together with advanced cut-to-size services enables the company to provide reliable solutions for pressure vessel manufacturers, fabricators and industrial contractors requiring certified materials and dependable supply.

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.

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