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Groupes de Produits
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Type de paiement: T/T,L/C,Western Union
transport: Ocean,Land,Air
Modèle: B677 N08904 Stainless Steel Seamless Tube
marque: YUHONG
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904L Stainless Steel Pipes and Tubes 904L is a non-stabilised low carbon high alloy austenitic stainless steel. The addition of copper to this grade gives it greatly improved resistance to strong reducing acids, particularly sulphuric acid. It is also highly resistant to chloride attack - both pitting / crevice corrosion and stress corrosion cracking. This grade is non-magnetic in all conditions and has excellent weldability and formability. The austenitic structure also gives this grade excellent toughness, even down to cryogenic temperatures. 904L does have very substantial contents of the high cost ingredients nickel and molybdenum. Many of the applications in which this grade has previously performed well can now be fulfilled at lower cost by duplex stainless steel 2205 (S31803 or S32205), so it is used less commonly than in the past. |
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Pipes d'acier inoxydable 904L et gamme de produits de Tubes
Acier inoxydable 904L tuyaux et Tubes Spécifications: ASTM A / ASME SA 269/677 904 L inox tuyaux et Tubes (sans soudure) tailles : 1/2 po NB - 8" NB
Acier inoxydable 904L tuyaux et Tubes de tailles (DGE): 1/2 po NB - 24" NB
Acier inoxydable 904L tuyaux et Tubes de tailles (EFW): 6-NB - 100" NB"
Pipes d'acier inoxydable 904L et épaisseur de paroi de Tubes disponibles :
Annexe 5 - Annexe XXS (plus lourd sur demande)
Acier inoxydable 904L tuyaux et Tubes autres Materials Testing :
NACE MR0175, H2 SERVICE, SERVICE d'oxygène, CRYO services, etc..
Acier inoxydable 904L tuyaux et Tubes de Dimensions :
Tous les tuyaux est fabriqué et contrôlé/testés aux normes pertinentes y compris ASTM, ASME, API etc..
Table 1. Composition varie pour le grade de 904L des aciers inoxydables.
|
Grade |
C |
Mn |
Si |
P |
S |
Cr |
Mo |
Ni |
Cu |
|
|
904L |
min. |
- |
- |
- |
- |
- |
19.0 |
4.0 |
23.0 |
1.0 |
Propriétés mécaniques
Le tableau 2. Aciers inoxydables de grade des propriétés mécaniques de 904 L.
|
Grade |
Tensile Strength (MPa) min |
Yield Strength 0.2% Proof (MPa) min |
Elongation (% in 50mm) min |
Hardness |
|
|
Rockwell B (HR B) |
Brinell (HB) |
||||
|
904L |
490 |
220 |
35 |
70-90 typical |
- |
|
Rockwell Hardness value range is typical only; other values are specified limits. |
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Propriétés physiques
Tableau 3. Aciers inoxydables de grade des propriétés physiques typiques pour le 904 L.
|
Grade |
Density |
Elastic Modulus |
Mean Co-eff of Thermal Expansion (m/m/C) |
Thermal Conductivity |
Specific Heat 0-100C |
Elec Resistivity |
|||
|
0-100C |
0-315C |
0-538C |
At 20C |
At 500C |
|||||
|
904L |
8000 |
200 |
15 |
- |
- |
13 |
- |
500 |
850 |
Comparaison de spécification de grade
Tableau 4. Grade de spécifications pour les aciers inoxydables 904L grade.
|
Grade |
UNS No |
Old British |
Euronorm |
Swedish SS |
Japanese JIS |
||
|
BS |
En |
No |
Name |
||||
|
904L |
N08904 |
904S13 |
- |
1.4539 |
X1NiCrMoCuN25-20-5 |
2562 |
- |
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These comparisons are approximate only. The list is intended as a comparison of functionally similar materials not as a schedule of contractual equivalents. If exact equivalents are needed original specifications must be consulted. |
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Applications
904 L Composition chimique %
| C | Cr | Cu | Mn | Mo | Ni | P | S | Si |
| Max | Max | Max | Max | Max | ||||
| 0.02 | 19.0-23.0 | 1.0-2.0 | 2.0 | 4.0-5.0 | 23.0-28.0 | 0.045 | 0.035 | 1.0 |
| Unités de vente | : | Kilogram |
|---|---|---|
| Type de colis | : | Cas de cas /Iron pli-en bois / Bundle avec plastique bouchon |
Détails d'emballage: Cas de cas /Iron pli-en bois / Bundle avec plastique bouchon
productivité: 1500 Tons Per Month
transport: Ocean,Land,Air
Lieu d'origine: LA CHINE
Certificats : ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Type de paiement: T/T,L/C,Western Union
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