YUHONG 21001 EN10216-5 TP321 SS SMLS TUBE

06/07/2021

YUHONG 21001 EN10216-5 1.4541(TP321) SS TUPE

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 +0.80/-0.80
whichever is the greater
38.1≤D<88.9 +/-0.25 114.3 +1.60/-0.80 D4 +/-0.5% or
+/-0.1mm
88.9≤D<139.7 +/-0.38 219.1 +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

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