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.
Model: GB/T 8162
merk: Torich
verpakkingen: verpakken 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: 7304111000
Haven: Shanghai,Ningbo
betaling Type: L/C,T/T,D/P,Paypal,Money Gram,Western Union
Incoterm: FOB,CFR,CIF,FCA,CPT
GB / T 8162 Naadloze stalen buizen voor structurele doeleinden
Wij zijn fabrikant van naadloze stalen buizen in China, als u naadloze stalen buis, olie cilinder stalen buis, precisie naadloze stalen buis, hydraulische cilinder stalen buis wilt kopen, neem dan contact met ons op.
Item: naadloze stalen buizen, naadloze koolstofstalen buis
Materiaal: 10 # 20 # 45 # 20Mn 25Mn Q235 Q345
Grootte bereik :
OD: 3-1200mm, WT: 0.5-200mm, algemene lengte: 3-12m
Tolerantie:
Volgens de volgende tabellen of het verzoek van de klant.
Tolerantie van de OD & WT:
OD Tolerantie:
Production Method | OD Tolerance |
Hot Rolling(Extrusion) | ±1% or ±0.50mm |
Cold Drawn(Cold Rolled) | ±1% or ±0.30mm |
Tolerantie voor wanddikte:
1.wanddikte tolerantie van Hot Rolling stalen buis:
Production Method | OD (DN) | WT/OD | Tolerance |
Extruded tube | ≤102 | / | ±12.5% or ±0.40mm |
>102 | ≤0.05 | ±15% or ±0.40mm | |
>0.05-0.10 | ±12.5% or ±0.40mm | ||
>0.10 |
+12.5% -10% |
||
Heat expanding steel tube | / | ±15% |
2.wanddiktetolerantie van Koudgetrokken (koudgewalst) stalen buis:
Production Method | WT | Tolerance |
Cold Drawn(Cold Rolled) steel tube | ≤3 | +15%/-10% or ±0.40mm |
>3 |
+12.5% -10% |
Kenmerk:
Goede rondloopnauwkeurigheid
Goede OD- en ID-tolerantie
Hoge precisie
Stabiele kwaliteit
Gladde ruwheid
KWALITEITSBORGING VAN TORICH
mechanisch eigendom
Steel Grade |
Tensile strength Rm N/mm2(MPa) |
Yield Strength Rp0.2 N/mm2(MPa) |
Elongation A % |
|||
Wall Thickness | ||||||
≤16mm | >16~30mm | >30mm | ||||
10 | ≥335 | ≥205 | ≥195 | ≥185 | ≥24 | |
15 | ≥375 | ≥225 | ≥215 | ≥205 | ≥22 | |
20 | ≥410 | ≥245 | ≥235 | ≥225 | ≥20 | |
25 | ≥450 | ≥275 | ≥265 | ≥255 | ≥18 | |
35 | ≥510 | ≥305 | ≥295 | ≥285 | ≥17 | |
45 | ≥590 | ≥335 | ≥325 | ≥315 | ≥14 | |
20Mn | ≥450 | ≥275 | ≥265 | ≥255 | ≥20 | |
25Mn | ≥490 | ≥295 | ≥285 | ≥275 | ≥18 | |
Q235 | A | 375~500 | ≥235 | ≥225 | ≥215 | ≥25 |
B | ||||||
C | ||||||
D | ||||||
Q275 | A | 415~540 | ≥275 | ≥265 | ≥255 | ≥22 |
B | ||||||
C | ||||||
D | ||||||
Q295 | A | 390~570 | ≥295 | ≥275 | ≥255 | ≥22 |
B | ||||||
Q345 | A | 470~630 | ≥345 | ≥325 | ≥295 | ≥20 |
B | ||||||
C | ≥21 | |||||
D | ||||||
E | ||||||
Q390 | A | 490~650 | ≥390 | ≥370 | ≥350 | ≥18 |
B | ||||||
C | ≥19 | |||||
D | ||||||
E | ||||||
Q420 | A | 520~680 | ≥420 | ≥400 | ≥380 | ≥18 |
B | ||||||
C | ≥19 | |||||
D | ||||||
E | ||||||
Q460 | C | 550~720 | ≥460 | ≥440 | ≥420 | ≥17 |
D | ||||||
E |
Test:
1. Duurzaamheidstest
2. Impact test
3.Flattening-test
4. Test buigen
5. Visuele oppervlakte controle
7, Niet-destructieve test
Verwerken:
GRONDSTOF
↓
INKOMENDE INSPECTIE
↓
OPSLAG → SNIJDEN → HAMEREN → PLUKT SMEREN → CLEANING → PHOSPHORI CLEAN
↓
EINDE SNIJDEN ← STRAIGHTENING ← WARMTEBEHANDELING↔ MIDDELBARE CHECK CHECK KOUDE TEKENING ← SMEREN
↓
DEFINITIEVE INSPECTIE → BUNDELING → OPSLAG
Product Categorie : Naadloze stalen buizen
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.
Fill in more information so that we can get in touch with you faster
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.