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Model: GB/T14291
merk: Torich
verpakkingen: verpakken in houten kisten of in zeshoekige bundels
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
Productnaam : TORICH allibaba com GB / T14291 Q235A Q295B Q345A Gelaste stalen buizen voor transport van ertspulp
China Gelaste stalen buisfabrikant, kies de hoogwaardige spiraalgelaste stalen buis, hoogfrequent gelaste stalen buis, zwarte koolstofstaal gelaste buis, ovale stalen buis enz.
Standaard : GB / T14291
OD: 5-600 mm
GEWICHT : 0,5-50 mm
Lengte : 1-12 mm of volgens de daadwerkelijke toepassing en productie van de klant.
Toepassing : voor transport van ertspulp
Staalkwaliteit : Q235A Q235B Q295A Q345B Q295B Q345A
Technologie : hoogfrequent naadlassen (HFW)
Kenmerk:
Goede concentriciteit
Goede oppervlaktekwaliteit
Goede OD- en ID-tolerantie
Hoge precisie
Stabiele kwaliteit
Gladde ruwheid
TORICH KWALITEITSBORGING
TABEL 2 Toegestane afwijking van buitendiameter en wanddikte
Eenheid: millimeter
Nominal outside diameter D |
Allowable deviation of outer diameter |
Permissible deviation of wall thickness |
D≤48.3 |
±0.50 |
±10%S |
48.3<D≤273 |
±1%D |
|
D>273 |
±0.75%D |
TABEL 3 Mechanische eigenschap
Grade |
Tensile strengthRm/ N/mm2 |
Lower yield strength Rel / N/mm2 |
Elongation A% Not less than |
|
D≤168.3 |
D>168.3 |
|||
Q235A.Q235B |
375 |
235 |
15 |
20 |
Q295A.Q295B |
390 |
295 |
13 |
18 |
Q345A.Q345B |
470 |
345 |
13 |
18 |
Note : Tensile test arbitration time is based on longitudinal sample. |
TABEL 4 Inspectie-items, beproevingsmethoden en bemonsteringsnummer van stalen buizen
NO |
Inspection project |
Sampling method and test method |
Sampling quantity |
1 |
chemical composition |
GB/T 20066.GB/T 223.GB/T 4336 |
One each furnace(canister) |
2 |
Tensile test |
GB/T 228.GB/T 2975 |
One each batch |
3 |
Tensile test |
GB/T 241 |
One by one |
4 |
Ultrasonic examination |
GB/T18256 |
One by one |
5 |
Eddy current flaw detection |
GB/T 7735 |
One by one |
6 |
Bending test |
GB/T 244 |
Two per batch |
7 |
Flattening test |
GB/T 246 |
Four each roll |
Product Categorie : Gelaste stalen buis
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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.