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Model: GB/T13793
merk: Torich
verpakkingen: In bundels met zeewaardige verpakking
produktiviteit: 20000 Tons per Year
vervoer: Ocean,Land,Air
Plaats van herkomst: Zhejiang, China (Vasteland)
Ondersteuning over: 60000 Ton per year
Certificaat: ISO9001:2008 ISO14001:2008, TS16949, CE PED, TUV, API
GS-code: 7306301100
Haven: Shanghai,Ningbo
betaling Type: L/C,T/T,D/P,Paypal,Money Gram,Western Union
Incoterm: FOB,CFR,CIF,FCA,CPT
Product Naam : TORICH GB / T13793 Materiaal 10 # 15 # 20 # Q195 215A 235A Stalen Pijpen met een longitudinale Elektrische Weerstand Weld
Standaard : GB / T13793
Grootte Bereik : OD: 5-711mm WT: 0.5-50mm Lengte : 4-12mm of volgens de daadwerkelijke toepassing en productie van de klant.
Toepassing : constructiestructuur, vloeibaar vervoer
Staalkwaliteit : 10 # 15 # 20 # Q195 / Q235 / Q345 / Q390 / Q420
Technologie : HFRW
Kenmerk:
Goede rondloopnauwkeurigheid
Goede oppervlaktekwaliteit
Goede OD- en ID-tolerantie
Hoge precisie
Stabiele kwaliteit
Gladde ruwheid
KWALITEITSBORGING VAN TORICH
China gelaste stalen buis fabrikant, kies de hoge kwaliteit spiraal gelaste stalen buis, hoge frequentie gelaste stalen buis, zwarte koolstofstaal gelaste buis, ovale stalen buis, enz ..
Tabel 1 Tolerantie van buitendiameter Eenheid: 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 |
Tabel 2 Tolerantie van wanddikte- eenheid: 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. |
Tabel 3 De buis Buigen van staal
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 |
Tabel 4 De hoogte van de interne braameenheid : mm
General Precesion |
Higher Precision |
High Precision |
+0.50 -0.20 |
+0.50 -0.05 |
+0.20 -0.05 |
Tabel 5 Gewichtscoëfficiënt van gegalvaniseerde stalen buis
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 |
|
|
Tabel 6 Mechnische eigenschappen
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 |
Tabel 7 Gewicht thermisch verzinkte laag
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 |
Tabel 8 Testonderdelen en bemonstering voor stalen buizen
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 |
Product Categorie : Gelaste stalen buis
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.