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Tipo de pagamento: T/T,L/C,Western Union
transporte: Ocean,Land,Air
Modelo: B677 N08904 Stainless Steel Seamless Tube
marca: 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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Tubos de aço inoxidável 904L e gama de produtos de tubos
904L inox tubos e tubos de especificações: ASTM A / ASME SA 269/677 904 L inox tubos e tubos de tamanhos (sem costura): 1/2" NB - 8" NB
904L inox tubos e tubos de tamanhos (ERW): 1/2" NB - 24" NB
904L inox tubos e tubos de tamanhos (EFW): 6" NB - 100" NB
Tubos de aço inoxidável 904L e espessura de parede de tubos disponíveis:
Programa 5S - agenda XXS (mais pesado a pedido)
904L inox tubos e tubos de outros materiais de teste:
NACE MR0175, H2 SERVICE, serviço de oxigénio, CRYO SERVICE, etc.
904L inox tubos e tubos de dimensões:
Todas as tubulações é fabricado e inspecionado/testado às normas pertinentes incluindo ASTM, ASME e API etc.
Tabela 1. Composição varia de grau 904L de aços inoxidáveis.
|
Grade |
C |
Mn |
Si |
P |
S |
Cr |
Mo |
Ni |
Cu |
|
|
904L |
min. |
- |
- |
- |
- |
- |
19.0 |
4.0 |
23.0 |
1.0 |
Propriedades mecânicas
Tabela 2. Propriedades mecânicas de 904 L grau de aços inoxidáveis.
|
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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Propriedades físicas
Tabela 3. Propriedades físicas típicas para 904 L grau de aços inoxidáveis.
|
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 |
Comparação de especificação de classe
Tabela 4. Grau especificações para aços de inoxidável 904L grau.
|
Grade |
UNS No |
Old British |
Euronorm |
Swedish SS |
Japanese JIS |
||
|
BS |
En |
No |
Name |
||||
|
904L |
N08904 |
904S13 |
- |
1.4539 |
X1NiCrMoCuN25-20-5 |
2562 |
- |
|
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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Aplicações
904L Composição química %
| 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 |
| Unidades de venda | : | Kilogram |
|---|---|---|
| Tipo de pacote | : | Dobrar-de madeira caso caso /Iron / pacote com tampa de plástico |
Pacote: Dobrar-de madeira caso caso /Iron / pacote com tampa de plástico
produtividade: 1500 Tons Per Month
transporte: Ocean,Land,Air
Lugar de origem: CHINA
Certificados : ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Tipo de pagamento: T/T,L/C,Western Union
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