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Modelo: GB/T 18704
Marca: ENRIQUECER
Paquete: Protección contra el aceite antioxidante, en material de embalaje marinero, en paquetes hexagonales o en caja de madera
productividad: 40000 ton per year
transporte: Ocean,Land,Air
Lugar de origen: Zhejiang, China
Apoyo sobre: 50000 ton per year
Certificados : ISO 9001:2008 ISO 14001:2008 TS 16949
HS-Code: 7304191000
Hafen: Shanghai,Ningbo,Foshan
Tipo de Pago: L/C,T/T,D/P,Paypal,Money Gram,Western Union
Incoterm: FOB,CFR,CIF,FCA,CPT
Tubos revestidos de acero inoxidable para fines estructurales GB / T 18704
Especificaciones :
Material: TP304, 304
Rango de tamaño : OD: 4-1200 mm
WT: 0.3-200 mm
Longitud general: 1-8 m
Tolerancia:
De acuerdo con las siguientes tablas o solicitud de los clientes.
Tolerancia de OD
Surface delivery condition | Nominal outside diameter | Tolerance |
Polishing,Polish |
≤25 | ±0.25 |
>25~40 | ±0.30 | |
>40~50 | ±0.35 | |
>50~60 | ±0.40 | |
>60~70 | ±0.50 | |
>70~80 | ±0.60 | |
>80 | ±1%D | |
Unpolished,Sand blasting(SNB,SS) | ≤25 | ±0.30 |
>25~50 | ±0.40 | |
>50 | ±1.0%D |
Tolerancia de WT
Wall thickness(S) | Tolerance(high-grade) | Tolerance(medium grade) |
≥0.8~2.0 | ±0.10 | ±0.20 |
>2.0~3.0 | ±0.15 | ±0.30 |
>3.0 | ±5%S | ±10%S |
Composición química
No. | Unified digital code | New steel grade | Old steel grade | Chemical composition | |||||||
C | Si | Mn | P | S | Ni | Cr | N | ||||
1 | S35350 | 12Cr17Mn6Ni5N | 1Cr17Mn6Ni5N | ≤0.15 | ≤1.00 | 5.50~7.50 | ≤0.050 | ≤0.030 | 3.50~5.50 | 16.00~18.00 | 0.05~0.25 |
2 | S35450 | 12Cr18Mn9Ni5N | 1Cr18Mn8Ni5N | ≤0.15 | ≤1.00 | 7.50~10.0 | ≤0.050 | ≤0.030 | 4.00~6.00 | 17.00~19.00 | 0.05~0.25 |
3 | S30210 | 12Cr18Ni9 | 1Cr18Ni9 | ≤0.15 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.030 | 8.00~10.00 | 17.00~19.00 | ≤0.10 |
4 | S30408 | 06Cr19Ni10 | 0Cr18Ni9 | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.030 | 8.00~11.00 | 18.00~20.00 | - |
Propiedad mecanica
No. | Unified digital code | New steel grade | Old steel grade |
Yield strength |
Tensile |
Elongation A/ |
≥ | ||||||
1 | S35350 | 12Cr17MnNi5N | 1Cr17Mn6Ni5N | 245 | 520 | 25 |
2 | S35450 | 12Cr18Mn9Ni5N | 1Cr18Mn8Ni5N | 245 | 520 | |
3 | S30210 | 12Cr18Ni9 | 1Cr18Ni9 | 210 | 520 | 30 |
4 | S30408 | 06Cr19Ni10 | 0Cr18Ni9 | 210 | 520 |
Característica:
GARANTÍA DE CALIDAD DE TORICH
Buena calidad superficial
Buena tolerancia de OD e ID controlada según el estándar técnico
Calidad estable
Prueba de corriente Eddy al 100%
Procesamiento: soldadura continua formada
Ampliamente utilizado en el campo de: uso estructural
PRODUCTOS POR GRUPO : Tubería de acero inoxidable
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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.