ASME SA516 Grade 70 Flanges:

We manufacture ASME SA516 Grade 70 and ASTM A516 Grade 70 Flanges. These flanges are made from plates of SA516 and A516.

The raw material we use is:

1. Vacuum Treated
2. Charpy V-Notch Impact Tested
3. Drop Weight Tested
4. Ultrasonic Okay
5. Heat Treated (Normalized)

Tensile Requirements:

Tensile Strength, MPa (ksi) Yield Strength, min MPa (ksi) Elongation min, % 200 mm (8 in) Elongation min, % 50 mm (2 in)
485 - 620 (70 - 90) 260 (38) 17 21

Chemical Composition:

Carbon(C)
%
Manganese(Mn)
%
Phosphorus(P)
%
12.55mm or less
12.5-50mm
50-100mm
100-200mm
>200mm
 
0.27
0.28
0.30
0.31
0.31
12.5mm or less
 Heat Analysis
 Product Analysis
Over 12.5mm
 Heat Analysis
 Product Analysis
 
 
0.85-1.20
0.79-1.30
 
0.85-1.20
0.79-1.30
 
 
 
 
(max)
 
 
 
0.035
Sulphur(S)
%
Silicon(Si)
%
 
(max)
0.035
Heat Analysis
Product Analysis
0.15-0.40
0.13-0.45

 

We have a range of Stock of SA/A 516 Gr. 70 Plates which are hydrogen induced crack resistant (HIC) The default application of SA/A516 Gr. 70 Plates is Pressure Vessels Application.

We are also stockists of plates and manufacturer of flanges of:

ASTM A516 Grade 65 / ASME SA516 Grade 65
ASTM A516 Grade 60 / ASME SA516 Grade 60