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Modèle: GB/T13793
marque: Torich
Détails d'emballage: En paquets avec emballage maritime
productivité: 20000 Tons per Year
transport: Ocean,Land,Air
Lieu d'origine: Zhejiang, Chine (continentale)
Soutenir: 60000 Ton per year
Certificats : ISO9001:2008 ISO14001:2008, TS16949, CE PED, TUV, API
Code SH: 7306301100
Hafen: Shanghai,Ningbo
Type de paiement: L/C,T/T,D/P,Paypal,Money Gram,Western Union
Incoterm: FOB,CFR,CIF,FCA,CPT
Nom du produit : TORICH GB / T13793 Matériel 10 # 15 # 20 # Q195 215A 235A Tuyaux en acier avec une soudure de résistance électrique longitudinale
Norme : GB / T13793
Taille de gamme : OD: 5-711mm WT: 0.5-50mm Longueur : 4-12mm ou selon l'application et la production réelles des clients.
Application : Structure de construction, transport liquide
Catégorie d' acier : 10 # 15 # 20 # Q195 / Q235 / Q345 / Q390 / Q420
Technologie : HFRW
Caractéristiques:
Bonne concentricité
Bonne qualité de surface
Bonne tolérance OD et ID
Haute précision
Qualité stable
Rugosité lisse
ASSURANCE QUALITÉ TORICH
Chine Le fabricant soudé de tuyau d'acier, choisissent le tuyau d'acier soudé par spirale de haute qualité, le tuyau d'acier soudé à haute fréquence, le tuyau soudé par acier au carbone noir, le tube en acier ovale etc.
Tableau 1 Tolérance de l' unité de diamètre extérieur : 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 |
Tableau 2 Tolérance d'épaisseur de paroi : 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. |
Tableau 3 Le cintrage du tube en acier
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 |
Tableau 4 La hauteur de l' unité intérieure de fraise : mm
General Precesion |
Higher Precision |
High Precision |
+0.50 -0.20 |
+0.50 -0.05 |
+0.20 -0.05 |
Tableau 5 Coefficient de pondération des tuyaux en acier galvanisé
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 |
|
|
Tableau 6 Propriétés techniques
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 |
Tableau 7 Poids de la couche galvanisée par immersion à chaud
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 |
Tableau 8 Éléments d'essai et échantillonnage pour les tubes en acier
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 |
Groupes de Produits : Tuyau d'acier soudé
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.