516-70Triton Alloys specializes in the supply of boiler and pressure vessel plate ex-stock to fabricators, End Users, Traders .Our strength is in the very high specification pressure vessel plates which are generally found  in the petrochemical industry & oil and gas industry and specifically in steel plate resistant to Hydrogen Induced Cracking (HIC).

ASTM A516 Grade 70 has greater specified tensile and yield strength when compared with ASTM A516 Grade 65 and can operate in even lower temperature service.We Triton Alloys Inc keep  significant volume of ASME SA/ASTM A 516 Grade 70 carbon steel plates in stock which we ship to our customers worldwide.These plates come with mill certification in compliance with EN10204 3.1 or EN10204 3.2. and are hard stamped and are  fully traceable.

Pressure-vessel steels are generally  found in the equipment and boilers in the petrochemical & chemical Industries. Creep-resistant pressure-vessel steels withstand even the highest temperatures in these areas of application. They are especially suited to use in hot-application pressure vessels

 

Chemical Composition of ASTM A516 Grade 70

Thickness
Carbon ( C)%
Thickness
Manganese (Mn)%
Phosphorus (P) %
Sulphur (S)%
Silicon (Si)%
12.5mm or less
0.27
12.5mm or less
(max)
0.035
(max)
0.035
12.5 – 50mm
0.28
Heat Analysis
0.85-1.20
Heat Analysis
Product Analysis
50 – 100mm
0.3
Product Analysis
0.79-1.30
0.15-0.40
0.13-0.45
100 – 200mm
0.31
Over 12.5mm
> 200mm
0.31
Heat Analysis
0.85-1.20
Product Analysis
0.79-1.30

 

Mechanical Properties of ASTM A516 Grade 70

Description
Grade 70
Tensile strength (ksi)
70-90
Tensile strength (MPa)
485-620
Yield strength (ksi)
38
Yield strength (MPa)
260
Elongation in 200mm (min)(%)
17
Elongation in 50mm (min) (%)
21
Thickness (max)(mm)
205

 


Supplementary Requirments

  • S1. Vacuum Tratment
  • S2. Product Analysis
  • S3. Simulated Post-Weld heat treatment of Mechanical Test Coupons
  • S4.1  Additonal Tension Test,
  • S5. Charpy V-Notch Impact test
  • S6. Drop Weight Test For Material 16mm & over in Thickness
  • S7. High- Temprature Tension Test
  • S8. Ultasonic Examination in accordance with the specification A435/A435M
  • S9. Magnetic Particle Exmaniation
  • S11.Ultrasonic Examination in accordance with the specification A577/A577M
  • S12. Ultrasonic Examination in accordance with Specification A578/A578M
  • S17. Vacuum Carbon-Deoxidized Steel

To find out more about Triton Alloys Inc Services and our Range of “ASTM A516 GR.70 ” which we can supply directly to you, Click Here to Contact Us.