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Model: GB/T 18984
merk: TORICH
verpakkingen: Anti-roest oliebescherming, in zeewaardig verpakkingsmateriaal, in zeshoekige bundels of in houten kist
produktiviteit: 40000 ton per year
vervoer: Ocean,Land,Air
Plaats van herkomst: Zhejiang, China
Ondersteuning over: 50000 ton per year
Certificaat: ISO 9001:2008 ISO 14001:2008 TS 16949
GS-code: 7304191000
Haven: Shanghai,Ningbo,Foshan
betaling Type: L/C,T/T,D/P,Paypal,Money Gram,Western Union
Incoterm: FOB,CFR,CIF,FCA,CPT
GB / T 18984 Naadloze stalen buizen voor onderhoudsketens met lage temperatuur
Spec :
Materiaal: 16MnDG, 10MnDG, 09DG
Grootte Bereik : OD: 4-1200mm
WT: 0,3-200 mm
Algemeen Lengte: 4-12 m
Tolerantie:
Volgens de volgende tabellen of het verzoek van de klant.
Toelaatbare afwijkingstolerantie van OD en WT
Classification | Steel size | Permissible tolerance | |
W-H | OD | <351 | ±1.0%D |
≥351 | ±1.25%D | ||
WT | ≤25 | ±12.5%S | |
W-C | OD | ≤30 | ±0.20 |
>30~50 | ±0.30 | ||
>50 | ±0.75%D | ||
WT | ≤3 |
+12.5%S -10%S |
|
>3 | ±10%S |
Staalsoort en chemische samenstelling
Steel grade | Chemical composition/% | |||||||
C | Si | Mn | P | S | Ni | Mo | V | |
16MnDG | 0.12~0.20 | 0.20~0.55 | 1.20~1.60 | ≤0.025 | ≤0.025 | - | - | - |
10MnDG | ≤0.13 | 0.17~0.37 | ≤1.35 | ≤0.025 | ≤0.025 | - | - | ≤0.07 |
09DG | ≤0.12 | 0.17~0.37 | ≤0.95 | ≤0.025 | ≤0.025 | - | - | ≤0.07 |
09Mn2VDG | ≤0.12 | 0.17~0.37 | ≤1.85 | ≤0.025 | ≤0.025 | - | - | ≤0.12 |
06Ni3MoDG | ≤0.08 | 0.17~0.37 | ≤0.85 | ≤0.025 | ≤0.025 | - | - | ≤0.05 |
Longitudinale mechanische eigenschappen van stalen buizen
Steel grade |
Tensile strength / MPa |
Lower yield strength Rp0.2/MPa | Elongation A/% | |||
S≤16mm | S>16mm | Sample 1 | Sample 2 | Sample 3 | ||
16MnDG | 490~665 | ≥325 | ≥315 | ≥30 | ||
10MnDG | ≥400 | ≥240 | ≥35 | |||
09DG | ≥385 | ≥210 | ≥30 | |||
09Mn2VDG | ≥450 | ≥300 | ≥30 | |||
06Ni3MoDG | ≥455 | ≥250 | ≥30 |
Kenmerk:
KWALITEITSBORGING VAN TORICH
Goede oppervlaktekwaliteit
Goede OD- en ID-tolerantie geregeld volgens de technische norm
Stabiele kwaliteit
100% wervelstroomtest
Verwerking: WH WC
Technische leveringsvoorwaarden: Nomalizing
Op grote schaal gebruikt op het gebied van: Lage temperatuur warmtewisselaar
Product afbeeldingen :
Product Categorie : Naadloze stalen buizen
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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.