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Modelo: GB/T 14976
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 de acero inoxidable sin costura para transporte de fluidos GB / T 14976
Especificaciones :
Material:
Rango de tamaño : OD: 4-1200 mm
WT: 0.3-200 mm
General Duración: 1 -12m
Tolerancia:
De acuerdo con las siguientes tablas o solicitud de los clientes.
Tabla 1 La tolerancia del diámetro exterior y la unidad de espesor de pared: mm
Hot rolling(extrusion,expansion) steel tube | Cold drawn(rolling)steel tube | ||||||
Diamension | Tolerance | Diamension | Tolerance | ||||
Ordinary Grade PA | High Grade PC | Ordinary Grade PA | High Grade PC | ||||
Nominal Outer Diameter D |
68~159 | ±1.25%D | ±1%D |
Nominal Outer Diameter D |
6~10 | ±0.20 | ±0.15 |
>10~30 | ±0.30 | ±0.20 | |||||
>30~50 | ±0.40 | ±0.30 | |||||
>50~219 | ±0.85%D | ±0.75%D | |||||
>159 | ±1.5%D | >219 | ±0.9%D | ±0.8%D | |||
Nominal Wall Thickness S |
<15 |
+15%S -12.5%S |
±12.5%S |
Nominal Wall Thickness S |
≤3 | ±12%S | ±10%S |
≥15 |
+20%S -15%S |
>3 |
+12.5%S -10%S |
±10%S |
Tabla2 La tolerancia de la unidad de espesor mínimo de pared: mm
Manufacturing Method | Diamension | Tolerance | |
Ordinary Grade PA | High Grade PC | ||
Hot rolling(extrusion,expansion) steel tube W-H |
Smin<15 |
+25%Smin 0 |
+22.5%Smin 0 |
Smin≥15 |
+32.5%Smin 0 |
||
Cold drawn(rolling)steel tube W-C |
All Wall Tickness |
+22%Smin 0 |
+20%Smin 0 |
Tabla 3 Grado y componente químico
No. | GB/T 20878 | Grade |
|
Chemical Component(Quality Fraction)/% | ||||||||||
No. | Unified Digital Code | C | Si | Mn | P | S | Ni | Cr | Mo | Cu | N | Others | ||
1 | 13 | S30210 | 12Cr18Ni9 | 0.15 | 1.00 | 2.00 | 0.035 | 0.030 | 8.00~10.00 | 17.00~19.00 | - | - | 0.10 | - |
2 | 17 | S30408 | 06Cr19Ni10 | 0.08 | 1.00 | 2.00 | 0.035 | 0.030 | 8.00~11.00 | 18.00~20.00 | - | - | - | - |
3 | 18 | S30403 | 022Cr19Ni10 | 0.030 | 1.00 | 2.00 | 0.035 | 0.030 | 8.00~12.00 | 18.00~20.00 | - | - | - | - |
4 | 23 | S30458 | 06Cr19Ni10N | 0.08 | 1.00 | 2.00 | 0.035 | 0.030 | 8.00~11.00 | 18.00~20.00 | - | - | 0.10~0.16 | - |
5 | 24 | S30478 | 06Cr19Ni9NbN | 0.030 | 1.00 | 2.50 | 0.035 | 0.030 | 7.50~10.50 | 18.00~20.00 | - | - | 0.15~0.30 | Nb:0.15 |
6 | 25 | S30453 | 022Cr19Ni10N | 0.08 | 1.00 | 2.00 | 0.035 | 0.030 | 8.00~11.00 | 18.00~20.00 | - | - | 0.10~0.16 | - |
7 | 32 | S30908 | 06Cr23Ni13 | 0.030 | 1.00 | 2.00 | 0.035 | 0.030 | 12.00~15.00 | 22.00~24.00 | - | - | - | - |
8 | 35 | S31008 | 06Cr25Ni20 | 0.08 | 1.50 | 2.00 | 0.035 | 0.030 | 19.00~22.00 | 24.0~26.00 | - | - | - | - |
9 | 38 | S31608 | 06Cr17Ni12Mo2 | 0.08 | 1.00 | 2.00 | 0.035 | 0.030 | 10.00~14.00 | 16.00~18.00 | 2.00~3.00 | - | - | - |
10 | 39 | S31603 | 022Cr17Ni12Mo2 | 0.030 | 1.00 | 2.00 | 0.035 | 0.030 | 10.00~14.00 | 16.00~18.00 | 2.00~3.00 | - | - | - |
11 | 40 | S31609 | 07Cr17Ni12Mo2 | 0.04~0.10 | 1.00 | 2.00 | 0.035 | 0.030 | 10.00~14.00 | 16.00~18.00 | 2.00~3.00 | - | - | - |
12 | 41 | S31668 | 06Cr17Ni12Mo2Ti | 0.08 | 1.00 | 2.00 | 0.035 | 0.030 | 10.00~14.00 | 16.00~18.00 | 2.00~3.00 | - | - | Ti:5C~0.70 |
Tabla 4 Sistema de tratamiento térmico recomendado, propiedades mecánicas y densidad del tubo de acero
Organization type | No. | GB/T 20878 | Grade | Recommended Heat Treatment System | Mechanical Properties |
Density ρ/(kg/dm2) |
|||
No. | Unified digital code |
Tensile strength Rm/MPa |
Specified plastic elongation strength Rp0.2/MPa |
Percentage elongation after fracture A/% |
|||||
Not less than | |||||||||
Austenitic | 1 | 13 | S30210 | 12Cr18Ni9 | 1010℃~1150℃,cold or otherwise | 520 | 205 | 35 | 7.93 |
2 | 17 | S30408 | 06Cr19Ni10 | 1010℃~1150℃,cold or otherwise | 520 | 205 | 35 | 7.93 | |
3 | 18 | S30403 | 022Cr19Ni10 | 1010℃~1150℃,cold or otherwise | 480 | 175 | 35 | 7.90 | |
4 | 23 | S30458 | 06Cr19Ni10N | 1010℃~1150℃,cold or otherwise | 550 | 275 | 35 | 7.93 | |
5 | 24 | S30478 | 06Cr19Ni9NbN | 1010℃~1150℃,cold or otherwise | 685 | 345 | 35 | 7.98 | |
6 | 25 | S30453 | 022Cr19Ni10N | 1010℃~1150℃,cold or otherwise | 550 | 245 | 40 | 7.93 | |
7 | 32 | S30908 | 06Cr23Ni13 | 1010℃~1150℃,cold or otherwise | 520 | 205 | 40 | 7.98 | |
8 | 35 | S31008 | 06Cr25Ni20 | 1010℃~1150℃,cold or otherwise | 520 | 205 | 40 | 7.98 | |
9 | 38 | S31608 | 06Cr17Ni12Mo2 | 1010℃~1150℃,cold or otherwise | 520 | 205 | 35 | 8.00 | |
10 | 39 | S31603 | 022Cr17Ni12Mo2 | 1010℃~1150℃,cold or otherwise | 480 | 175 | 35 | 8.00 | |
11 | 40 | S31609 | 07Cr17Ni12Mo2 | ≥1040℃,cold or otherwise | 515 | 205 | 35 | 7.98 | |
12 | 41 | S31668 | 06Cr17Ni12Mo2Ti | 1000℃~1100℃,cold or otherwise | 530 | 205 | 35 | 7.90 |
Tabla 5 Artículo de inspección del tubo de acero, método de prueba y cantidad de muestreo
No. | Inspection Item | Sampling Quantity | Sampling Method | Test Method |
1 | Chemical Component | Take a sample of each furance | GB/T 20066 | GB/T 223,GB/T 11170,GB/T20123,GB/T 20124 |
2 | Tensile Test | Take a sample between two steel tubes of each batch | GB/T 2975 | GB/T 228.1 |
3 | Flattening Test | Take a sample between two steel tubes of each batch | GB/T 246 | GB/T 246 |
4 | Flaring Test | Take a sample between two steel tubes of each batch | GB/T 242 | GB/T 242 |
5 | Hydraulic Test | Each piece | - | GB/T 241 |
6 | Ultrasonic Test | Each piece | - | GB/T 5777-2008 |
7 | Eddy Test | Each piece | - | GB/T 7735-2004 |
8 | Intercrystalline corrosion test | Take a sample between two steel tubes of each batch | GB/T 4334-2008 | GB/T 4334-2008 |
Tabla A.1 Comparación de grado de acero inoxidable
No. | GB/T 20878-2007 | ASTM A 959-09 |
JIS G4303-2005 JIS G 4311-1991 |
ISO/TS 15510:2003 ISO 4955:2005 |
EN 10088:1-2005 |
ΓOCT 5632-1972 |
|
Unified Digital Code | Grade | ||||||
1 | S30210 | 12Cr18Ni9 | S30200,302 | SUS302 | X10CrNi18-8 | X10CrNi18-8,1.4310 | 12X18H9 |
2 | S30408 | 06Cr19Ni10 | S30400,304 | SUS304 | X5CrNi18-9 | X5CrNi18-10,1.4301 | - |
3 | S30403 | 022Cr19Ni10 | S30403,304L | SUS304L | X2CrNi19-11 | X2CrNi19-11,1.4306 | 03X18H11 |
4 | S30458 | 06Cr19Ni10N | S30451,304N | SUS304N1 | X5CrNiN18-8 | X5CrNiN19-9,1.4315 | - |
5 | S30478 | 06Cr19Ni9NbN | S30452,XM-21 | SUS304N2 | - | - | - |
6 | S30453 | 022Cr19Ni10N | S30453,304LN | SUS304LN | X2CrNiN18-9 | X2CrNiN18-10,1.4311 | - |
7 | S30908 | 06Cr23Ni13 | S30908,309S | SUS309S | X12CrNi23-13 | X12CrNi23-13,1.4833 | - |
8 | S31008 | 06Cr25Ni20 | S31008,310S | SUS310S | X8CrNi25-21 | X8CrNi25-21,1.4845 | 10X23H18 |
9 | S31608 | 06Cr17Ni12Mo2 | S31600,316 | SUS316 | X5CrNiMo17-12-2 | X5CrNiMo17-12-2,1.4401 | - |
10 | S31603 | 022Cr17Ni12Mo2 | S31603,316L | SUS316L | X2CrNiMo17-12-2 | X2CrNiMo17-12-2,1.4404 | 03X17H14M3 |
11 | S31609 | 07Cr17Ni12Mo2 | S31609,316H | - | - | X3CrNiMo17-13-3,1.4436 | - |
12 | S31668 | 06Cr17Ni12Mo2Ti | S31635,316Ti | SUS316Ti | X6CrNiMoTi17-12-2 | X6CrNiMoTi17-12-2,1.4571 | 08X17H13M2T |
Procesamiento: WH, WC
Condiciones técnicas de entrega: tratamiento térmico y decapado o tratamiento térmico en atmósfera protectora
Ampliamente utilizado en el campo de: transporte de fluidos
Imágenes del producto :
PRODUCTOS POR GRUPO : Tubería de acero inoxidable
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.
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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.