| Product Name: | Elliptical Head | Standard: | ASME SA240 |
|---|---|---|---|
| Base Material: | SS 321 | O.D.: | 89mm To 10000mm |
| W.T.: | 2mm To 300mm | Type: | Cap |
| Technics: | Forged | Connection: | Welding |
| Process: | Hot Form | Applications: | Aerospace/ Defense /Petrochemical Food Oil |
| High Light: | 321 Stainless Steel Ellipsoidal Head， Defense Ellipsoidal Head， Petrochemical Ellipsoidal dish end | ||
ASME SA240 321 Stainless Steel Ellipsoidal Head Aerospace Defense Petrochemical
What is Head?
Head can also be called bearing end cap， is used to close the top of the apparatus four， so that the inside and outside of the quality isolation components. According to the different appearance of the surface layer， the head can be divided into convex， who-type， flat-plate computer type and combination type.
Plate computer type and combination type， in which convex head can be divided into hemispherical type，Oval type， disk type and so on. Heads include the main types currently on the market and are used in aerospace， national defense， petrochemical and chemical industries.
Chemical Composition of ASME SA240 321
| Type | Grade | ASTM A240 Chemical Composition | |||||||||
| ASTM(A240M) | Others(JIS) | C | Si | Mn | P | S | Ni | Cr | Mo | Others | |
| Austenitic Steels | |||||||||||
| 321 | SUS321 | ≤0.08 | ≤0.75 | ≤2.00 | ≤0.045 | ≤0.030 | 9.0/12.0 | 17.0/19.0 | ― | N≤0.10Ti:5ʷʢC+Nʣ/0.70 | |
Mechanical properties of ASME SA240 321
| Type | Mechanical Properties for Stainless Steel Plates， Stainless Steel Sheet | |||||||
| ASTM(A240M) | Others(JIS) | Tensile Properties | Hardness | |||||
| Yield Strength (Mpa) | Tensile Strength (Mpa) | Elongation (%) | HBW | HRBW | ||||
| AusteniticSteels | ||||||||
| 321 | SUS321 | ≥205 | ≥515 | ≥40 | ≤217 | ≤95 | ||
Physical Properties of ASME SA240 321
| Grade | Density (kg/m3) | Elastic Modulus (GPa) | Mean Coefficient of Thermal Expansion (μm/m/°C) | Thermal Conductivity (W/m.K) | Specific Heat 0-100 °C (J/kg.K) | Electrical Resistivity (nΩ.m) | |||
|---|---|---|---|---|---|---|---|---|---|
| 0-100 °C | 0-315 °C | 0-538 °C | at 100 °C | at 500 °C | |||||
| 321 | 8027 | 193 | 16.6 | 17.2 | 18.6 | 16.1 | 22.2 | 500 | 720 |
Equivalent of ASME SA240 321
| JIS G4304 | ASTM | UNS | KS | EN10095 | AS | CNS |
| SUS321 | 321 | S32100 | STS321 | 1.4541 | 321 | 321 |
Applications
Aerospace
Defense
Petrochemical
Food
Oil
