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ASTM A516 Gr.70 Carbon Steel Elliptical Head Food Oil Gas
Petrochemicals Tank
What is Head?
Head, also called end cap, is a component used to close the end of
a vessel to isolate its internal and external media. According to
the shape of head surface, it can be divided into convex, conical,
flat and combined shapes. According to different geometric shapes,
it can be divided into spherical, elliptical, disc, spherical
crown, conical shell and flat cap, etc. Among them, spherical,
elliptical, disc and spherical crown type heads are also
collectively called convex heads. Materials include carbon steel,
stainless steel, alloy steel, aluminum, titanium, copper, nickel
alloy, etc. The executive standards of heads are GBT25198,
GBT12459, GBT13401, DLT695, GD87 for electric power and SH3408,
SH3409 for petrochemical.
Chemical Composition of ASTM A516 Grade 70
| Composition | Percentage % | Composition | Percentage % |
| C | 0.10/ 0.22 | Cu | 0.3 |
| Si | 0.6 | Ni | 0.3 |
| Mn | 1/ 1.7 | Mo | 0.08 |
| P | 0.03 | Nb | 0.01 |
| S | 0.03 | Ti | 0.03 |
| Al | 0.02 | V | 0.02 |
| Cr | 0.3 |
Mechanical properties of ASTM A516 Grade 70
| Properties | Value |
| Tensile Strength (N/mm2) | 510/ 650 |
| Yield stress/ min (N/mm2) | 335 |
Equivalent of ASTM A516 Grade 70
| Standard | ASTM A516 Grade 70 |
| ASME | ASME SA516 Grade 70 |
| DIN Standard | - |
| British Standard | BS1501-224-490A/B |
| European Norm | EN10028 P355GH |
Applications
Oil
Gas
Chemical
Petrochemicals
Tank
Heat exchanger
