| Sizes | 1/2 Nb, 24 Nb |
|---|---|
| Gasket Standards | Asme B16.20 Gaskets, Asme B16.21 Gaskets |
| Outside Diameter | Nps 1⁄2 Through Nps 8 Is ±0.8 Mm; For Nps 10 Through Nps 24, +1.5 Mm, −0.8 Mm. |
| Inside Diameter | Nps 1⁄2 Through Nps 8 Is ±0.4 Mm; For Nps 10 Through Nps 24, ±0.8 Mm. |
Stainless Steel Head Gasket – ASTM A240,310S, 321 & 347 Heat Resistant
ASTM A240 Stainless Steel Head Gasket Dimensions & Sizes
| Nominal Size (DN) | Inner Diameter (ID) (mm) | Outer Diameter (OD) (mm) | Thickness (mm) | Applicable Pressure Class | Approx. Weight (kg) |
|---|---|---|---|---|---|
| DN15 (1/2") | 22 | 45 | 1.5 | Class 150–300 | 0.02 |
| DN20 (3/4") | 28 | 55 | 1.5 | Class 150–300 | 0.03 |
| DN25 (1") | 35 | 65 | 1.5 | Class 150–300 | 0.05 |
| DN32 (1-1/4") | 43 | 78 | 2.0 | Class 150–300 | 0.08 |
| DN40 (1-1/2") | 49 | 85 | 2.0 | Class 150–300 | 0.10 |
| DN50 (2") | 61 | 100 | 2.0 | Class 150–300 | 0.14 |
| DN65 (2-1/2") | 74 | 120 | 2.5 | Class 150–600 | 0.22 |
| DN80 (3") | 90 | 135 | 2.5 | Class 150–600 | 0.30 |
| DN100 (4") | 116 | 165 | 3.0 | Class 150–600 | 0.48 |
| DN150 (6") | 170 | 220 | 3.0 | Class 150–600 | 0.86 |
| DN200 (8") | 221 | 275 | 3.0 | Class 150–600 | 1.35 |
| DN250 (10") | 276 | 340 | 3.0 | Class 150–600 | 2.05 |
| DN300 (12") | 327 | 405 | 3.0 | Class 150–600 | 2.95 |
Type of Sub-products
Frequently Asked Questions
Why are stainless steel head gaskets preferred in engines?
Where are Stainless Steel Head Gaskets commonly used?
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