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Modell: GB/T13793
Marke: Zu reich
Verpakung: In Bündeln mit seetauglicher Verpackung
Produktivität: 20000 Tons per Year
Transport: Ocean,Land,Air
Ort Von Zukunft: Zhejiang, China (Festland)
Unterstützung über: 60000 Ton per year
Zertifikate : ISO9001:2008 ISO14001:2008, TS16949, CE PED, TUV, API
HS-Code: 7306301100
Hafen: Shanghai,Ningbo
Zahlungsart: L/C,T/T,D/P,Paypal,Money Gram,Western Union
Incoterm: FOB,CFR,CIF,FCA,CPT
Produktname : TORICH GB / T13793 Material 10 # 15 # 20 # Q195 215A 235A Stahlrohre mit einer longitudinalen elektrischen Widerstandsschweißen
Standard : GB / T13793
Größenbereich : OD: 5-711mm WT: 0,5-50mm Länge : 4-12mm oder entsprechend der tatsächlichen Anwendung und Produktion der Kunden.
Anwendung : Konstruktionsstruktur, flüssiger Transport
Stahl-Grad: 10 # 15 # 20 # Q195 / Q235 / Q345 / Q390 / Q420
Technologie : HFRW
Charakteristisch:
Gute Konzentrizität
Gute Oberflächenqualität
Gute OD- und ID-Toleranz
Hohe Präzision
Stabile Qualität
Glatte Rauheit
TORICH QUALITÄTSSICHERUNG
China geschweißter Stahlrohrhersteller, wählen das hochwertige gewundene geschweißte Stahlrohr, Hochfrequenz geschweißtes Stahlrohr, schwarzer Kohlenstoffstahl geschweißtes Rohr, ovales Stahlrohr usw.
Tabelle 1 Toleranz des Außendurchmessers Einheit: mm
Outer Diameter(D) |
General Precesion(PD.A)a |
Higher Precision(PD.B) |
High Precision(PD.C) |
5-20 |
±0.30 |
±0.15 |
±0.05 |
﹥20-35 |
±0.40 |
±0.20 |
±0.10 |
>35-50 |
±0.50 |
±0.25 |
±0.15 |
>50-80 |
±1%D |
±0.35 |
±0.25 |
>80-114.3 |
±0.60 |
±0.40 |
|
>114.3-168.3 |
±0.70 |
±0.50 |
|
>168.3-219.1 |
±0.80 |
±0.60 |
|
>219.1-711 |
±0.75%D |
±0.5%D |
|
a Not apply for steel pipe for roller of belt conveyor |
Tabelle 2 Toleranz der Wanddicke Einheit: mm
Wall Thickness(t) |
General Precesion(PD.A)a |
Higher Precision(PD.B) |
High Precision(PD.C) |
Non-uniform Wall Thicknessb |
0.50-0.70 |
±0.10 |
±0.04 |
±0.03 |
≤7.5%t |
>0.70-1.0 |
±0.05 |
±0.04 |
||
>1.0-1.5 |
±0.06 |
±0.05 |
||
>1.5-2.5 |
±10%t |
±0.12 |
±0.06 |
|
>2.5-3.5 |
±0.16 |
±0.10 |
||
>3.5-4.5 |
±0.22 |
±0.18 |
||
>4.5-5.5 |
±0.26 |
±0.21 |
||
>5.5 |
±7.5%t |
±5.0%t |
||
a Not apply for steel pipe for roller of belt conveyor b Not apply for General Precesion steel tube. Non-uniform Wall Thickness means the difference between maximum and minimum values of measured wall thickness on the same cross section. |
Tabelle 3 Das Biegen von Stahlrohr
Outer Diameter(D)/mm |
Bending/(mm/m),No more than |
||
General Precesion(PD.A) |
Higher Precision(PD.B) |
High Precision(PD.C) |
|
>16 |
1.5 |
1.0 |
0.5 |
Tabelle 4 Die Höhe der inneren Grateinheit : mm
General Precesion |
Higher Precision |
High Precision |
+0.50 -0.20 |
+0.50 -0.05 |
+0.20 -0.05 |
Tabelle 5 Gewichtskoeffizient von verzinktem Stahlrohr
Wall thickness t/mm |
1.2 |
.14 |
1.5 |
1.6 |
1.8 |
2.0 |
2.2 |
2.5 |
2.8 |
3.0 |
3.2 |
3.5 |
|
Coefficient c |
A |
1.106 |
1.091 |
1.085 |
1.080 |
1.071 |
1.064 |
1.058 |
1.051 |
1.045 |
1.042 |
1.040 |
1.036 |
Coefficient c |
B |
1.085 |
1.073 |
1.068 |
1.064 |
1.057 |
1.051 |
1.046 |
1.041 |
1.036 |
1.034 |
1.032 |
1.029 |
Coefficient c |
C |
1.064 |
1.055 |
1.051 |
1.048 |
1.042 |
1.038 |
1.035 |
1.031 |
1.027 |
1.025 |
1.022 |
1.020 |
Wall thickness t/mm |
3.8 |
4.0 |
4.2 |
4.5 |
4.8 |
5.0 |
5.4 |
5.6 |
6.0 |
6.5 |
7.0 |
8.0 |
|
Coefficient c |
A |
1.034 |
1.032 |
1.030 |
1.028 |
1.027 |
1.025 |
1.024 |
1.023 |
1.021 |
1.020 |
1.018 |
1.016 |
Coefficient c |
B |
1.027 |
1.025 |
1.024 |
1.023 |
1.021 |
1.020 |
1.019 |
1.018 |
1.017 |
1.016 |
1.015 |
1.013 |
Coefficient c |
C |
1.020 |
1.019 |
1.018 |
1.017 |
1.016 |
1.015 |
1.014 |
1.014 |
1.013 |
1.012 |
1.011 |
1.010 |
Wall thickness t/mm |
9.0 |
10.0 |
11.0 |
12.0 |
12.7 |
13.0 |
14.2 |
16.0 |
17.5 |
20.0 |
|
|
|
Coefficient c |
A |
1.014 |
1.013 |
1.012 |
1.011 |
1.010 |
1.010 |
1.009 |
1.008 |
1.007 |
1.006 |
|
|
Coefficient c |
B |
1.011 |
1.010 |
1.009 |
1.008 |
1.008 |
1.008 |
1.007 |
1.006 |
1.006 |
1.005 |
|
|
Coefficient c |
C |
1.008 |
1.008 |
1.007 |
1.006 |
1.006 |
1.006 |
1.005 |
1.005 |
1.004 |
1.004 |
|
|
Tabelle 6 Mechnische Eigenschaften
Steel Grade |
Lower yield strength Re1./MPa |
Tensile strength Rm/MPa |
Elongation A/% |
|
D≤168.3mm
|
D>168.3mm |
|||
≥ |
||||
08.10 |
195 |
315 |
22 |
|
15 |
215 |
355 |
20 |
|
20 |
235 |
390 |
19 |
|
Q195b |
195 |
315 |
15 |
20 |
Q215A,Q215B |
215 |
335 |
||
Q235A,Q235B,Q235C |
235 |
370 |
||
Q275A,Q275B,Q275C |
275 |
410 |
13 |
18 |
Q345A,Q345B,Q345C |
345 |
470 |
||
Q390A,Q390B,Q390C |
390 |
490 |
19 |
|
Q420A,Q420B,Q420C |
420 |
520 |
19 |
|
Q460C,Q460D |
460 |
550 |
17 |
Tabelle 7 Gewicht der feuerverzinkten Schicht
Requirement |
The total weight of zinc coating per unit area of the inner and outer surfaces /(g/㎡) no less than |
|
A |
Inside and outside surface |
500 |
B |
Inside and outside surface |
400 |
C |
Inside and outside surface |
300 |
Tabelle 8 Prüfgegenstände und Probenahme für Stahlrohre
Number |
Test items |
Test frequency |
Sampling quantity |
1 |
Smelting analysis |
1/furnace |
1 |
2 |
Finished product analysis |
1/furnace |
1 |
3 |
Tensile test |
1/batch |
1 |
4 |
Weld tensile test |
1/batch |
1 |
5 |
Impact test |
1/batch |
2 groups in a time, 3 samples in a group |
6 |
Flattening test |
1/batch |
1 sample on 2 pipes in each batch |
7 |
Bending test |
1/batch |
1 sample on 2 pipes in each batch |
8 |
Flaring test |
1/batch |
1 sample on 2 pipes in each batch |
9 |
Hydraulic test |
All |
All |
10 |
Ultrasonic testing |
All |
All |
11 |
Eddy current testing |
All |
All |
12 |
Galvanized layer uniformity test |
1/batch |
1/batch |
13 |
Galvanized weight determination |
1/batch |
1/batch |
14 |
Galvanized layer adhesion test |
1/batch |
1/batch |
Produktgruppe : Geschweißtes Stahlrohr
Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.