Standard
Item |
ASTM A789 |
ASTM A790 |
EN 10216-5 |
|
Grade |
S31803 S32205 S32750 |
S31803 S32205 S32750 |
1.4301 1.4307 1.4948 1.4315
1.4401 1.4404 1.4571 1.4541
1.4941 1.4845 1.4449 1.4438
1.4550 1.4912 1.4462 1.4410 |
Yield Strength
(Mpa) |
≥450；≥485；≥550 |
≥450；≥450；≥550 |
--- |
Tensile Strength
(Mpa) |
≥620；≥655；≥800 |
≥620；≥655；≥800 |
--- |
|
Elongation(%) |
≥25；≥25；≥15 |
≥25；≥25；≥15 |
--- |
| Hydrostatic Test |
The Hydrostatic Test shall be in accordance with ASTM A1016.
Could be replaced by ECT. |
The Hydrostatic Test shall be in accordance with ASTM A999.
Could be replaced by ECT. |
The hydrostatic test shall be carried out at a test pressure of 7MPa or
at a test pressure calculated using the following formula
P=2St/D S=70%Rp0.2 |
|
Intergranular Corrosion Test |
Usually use Pitting Corrosion Test. |
Usually use Pitting Corrosion Test. |
EN ISO 3651-2 (Optional) |
| Eddy Current Test |
Could be replaced by HT. |
Could be replaced by HT. |
EN 10246-3 |
O.D. Tolerance
(mm) |
O.D. |
O.D.Tolerance |
O.D. |
O.D.Tolerance |
O.D. Tolerance Class |
|
D<12.7 |
+/-0.13 |
10.3≤D≤48.3 |
+0.40/-0.80 |
D3 |
+/-0.75% or
+/-0.3mm |
|
12.7≤D<38.1 |
+/-0.13 |
48.3<D≤114.3 |
+0.80/-0.80 |
| whichever is the greater |
|
38.1≤D<88.9 |
+/-0.25 |
114.3<D≤219.1 |
+1.60/-0.80 |
D4 |
+/-0.5% or
+/-0.1mm |
|
88.9≤D<139.7 |
+/-0.38 |
219.1<D≤457.0 |
+2.40/-0.80 |
| whichever is the greater |
W.T. Tolerance
(mm) |
O.D. |
W.T.Tolerance |
O.D. |
W.T.Tolerance |
W.T. Tolerance Class |
| D<12.7 |
+/-15% |
10.3≤D≤73.0 |
+20.0%/-12.5% |
T3 |
+/-10% or
+/-0.2mm |
| 12.7≤D<38.1 |
+/-10% |
88.9≤D≤457.0
t/D ≤5% |
+22.5%/-12.5% |
whichever is the greater |
| 38.1≤D<88.9 |
+/-10% |
T4 |
+/-7.5% or
+/-0.15mm |
88.9≤D≤457.0
t/D >5% |
+15.0%/-12.5% |
| 88.9≤D<139.7 |
+/-10% |
| whichever is the greater |
Third Part Inspection Accepted according to EN 10204 3.2
