Home > Lista de Productos > Tubería de acero soldada > GB24187 Tubos de acero soldados con autógena de precisión estirada en frío

GB24187 Tubos de acero soldados con autógena de precisión estirada en frío

Tipo de Pago:
L/C,T/T,D/P,Paypal,Money Gram,Western Union
Incoterm:
FOB,CFR,CIF,FCA,CPT
Cantidad de pedido mínima:
5 Ton
transporte:
Ocean,Land,Air
Hafen:
Shanghai,Ningbo
  • Descripción
Overview
Atributos del producto

ModeloGB24187

MarcaEnriquecer

Capacidad de suministro e información a...

Paquete embalaje en cajas de madera o en paquetes hexagonales

productividad20000 Tons per Year

transporteOcean,Land,Air

Lugar de origenZhejiang, China (continental)

Apoyo sobre60000 Ton per year

Certificados ISO9001:2008 ISO14001:2008

HS-Code7306301100

HafenShanghai,Ningbo

Tipo de PagoL/C,T/T,D/P,Paypal,Money Gram,Western Union

IncotermFOB,CFR,CIF,FCA,CPT

Embalaje y entrega
Unidades de venta:
Ton
Tipo de paquete:
embalaje en cajas de madera o en paquetes hexagonales

Nombre del producto : GB24187 Acero laminado en frío de baja emisión de carbono Tubos de acero soldados solos de precisión estirada en frío

Estándar : GB24187

OD: 3-420 mm

WT: 0.5-50mm

Longitud : 1-12m o según la aplicación y producción real de los clientes.

Aplicación : Maquinaria

Grado de acero : 10 # .20 #

Tecnología : estirado en frío, laminado en frío

Característica:

Buena concentricidad

Buena calidad superficial

Buena tolerancia de OD e ID

Alta precisión

Calidad estable

Rugosidad suave

ASEGURAMIENTO DE LA CALIDAD TORICH


Tabla1 El tipo, estado y código de la superficie del tubo de acero

Type

State

Code

Bright Surface

No coating on the inner and outer surface of steel pipe

SL

Copper plated surface

Copper plating on the outer surface of steel tube

Cu

Galvanized surface

Galvanized or zinc alloy on the outer surface of steel pipe

Zn

Double-sided copper plating surface

The inner and outer surfaces of the steel pipe are plated with copper

Cu/Cu

External galvanized inner copper plating surface

Galvanized or zinc alloy on the outer surface of steel pipe, copper plating on the inner surface

Zn/Cu

a.       Use electroplating, electroless or hot dip plating.

b.       Manufacture of steel strip with double-sided copper plating, and the quality of the coating at the weld line should be negotiated by both suppliers and suppliers.

c.        Manufacture of steel strip with double-sided copper plating.

Tabla 2 Diámetro externo, espesor de pared y peso teórico

OD/mm

WT/mm

0.30

0.40

0.50

0.60

0.65

0.70

0.80

0.90

1.00

1.30

theoretical weight /(kg/m)

3.18

0.0213

0.0274

0.0330

 

 

 

 

 

 

 

4.00

0.0274

0.0355

0.0432

0.0503

 

 

 

 

 

 

4.76

0.0330

0.0430

0.0525

0.0616

0.0659

0.0701

 

 

 

 

5.00

0.0348

0.0454

0.0555

0.0651

0.0697

0.0742

 

 

 

 

6.00

0.0422

0.0552

0.0678

0.0799

0.0858

0.0915

0.1026

0.1132

0.1233

 

6.35

0.0448

0.0587

0.0721

0.0851

0.0914

0.0975

0.1095

0.1210

0.1319

 

7.94

0.0565

0.0744

0.0917

0.1086

0.1169

0.1250

0.1409

0.1563

0.1712

0.2129

8.00

0.0570

0.0750

0.0925

0.1095

0.1178

0.1260

0.1421

0.1576

0.1726

0.2148

9.53

0.0683

0.0901

0.1113

0.1321

0.1423

0.1524

0.1722

0.1915

0.2104

0.2639

10.00

0.0718

0.0947

0.1171

0.1391

0.1499

0.1605

0.1815

0.2020

0.2220

0.2789

12.00

0.0866

0.1144

0.1418

0.1687

0.1819

0.1951

0.2210

0.2464

0.2713

0.3430

12.70

0.0917

0.1213

0.1504

0.1790

0.1932

0.2072

0.2348

0.2619

0.2885

0.3655

14.00

0.1014

0.1342

0.1665

0.1983

0.2140

0.2296

0.2604

0.2908

0.3206

0.4072

15.88

0.1153

0.1527

0.1896

0.2261

0.2441

0.2621

0.2975

0.3325

0.3670

0.4674

16.00

0.1162

0.1539

0.1911

0.2279

0.2461

0.2641

0.3000

0.3352

0.3699

0.4713

18.00

0.1310

0.1736

0.2158

0.2575

0.2781

0.2987

0.3393

0.3795

0.4192

0.5354

Theoretical weight of no additional coating, density of steel is 7.85 kg/dm3

 

Outer diameter

Common precision

High precision

4.76

±0.08

±0.05

4.76-8.00

±0.12

±0.07

8.00-12.00

±0.16

±0.10

12.00

±0.20

±0.12

Tabla 4 Desviación permitida del espesor de la pared del tubo de acero

Wall thickness

Permissible deviation

0.70

±0.05

0.70

±0.07

Tabla 5 Desviación admisible de la longitud especificada de la tubería de acero

Length

Allowable deviation

2000

+4

0

2000-5000

+7

0

5000-8000

+10

0

TABLA 6 Composición química de la cinta de acero ( fracción de masa ) %

Category

C

Si

Mn

P

S

Cold rolled low carbon steel strip

0.08

0.03

0.30

0.030

0.030

Cold rolled ultra low carbon steel strip

0.008

0.03

0.25

0.020

0.030

TABLA 7 Propiedades mecánicas de la tira de acero con poco carbono laminado en frío

Thickness

/mm

Tensile Strength

Rm/MPa

Yield Strength

Reh/MPa 

Elongation

A/%

0.25~0.35

270

 

32

0.35~0.50

34

0.50

36

a Replace with RP0.2 when the yield phenomenon is not obvious.

b Sample type of sample number D14 in GB/T 228-2002.

TABLA 8 Propiedades mecánicas de la tira de acero al carbono ultrabaja en frío

Thickness

/mm

Tensile Strength

Rm/MPa 

Yield Strength

Reh/MPa

Elongation

A/%

0.50

280

130~250

38

0.50

40

a Replace with RP0.2 when the yield phenomenon is not obvious.

b Sample type of sample number P14 in GB/T 228-2002.

TABLA 9 Propiedades mecánicas de la tubería de acero

Category

Tensile Strength

Rm/MPa

Yield Strength

Reh/MPa

Elongation

A/%

Ordinary steel pipe(MA)

270

180

14

Soft steel tube(MB)

230

150~220

35

a Replace with RP0.2 when the yield phenomenon is not obvious.

b Sample type of sample number S7 in GB/T 228-2002.

TABLA 10 Elementos de inspección, métodos de prueba y cantidad de muestreo

NO

Inspection Items

Sampling Method ,Test Methods

Sampling Quantity

1

Chemical composition

GB/T 223, GB/T 4336, GB/T 20066

GB/T 20123, GB/T 20126

Take 1 samples per furnace

2

Mechanical property

GB/T 228

Take 1 samples per batch

3

Flattening test

GB/T 246

Take 1 samples per furnace

4

Expansion test

GB/T 242

Take 1 samples of two steel pipes per batch

5

Bending test

GB/T 244

Take 1 samples per batch

6

Hydraulic test

GB/T 241

Take 1 samples per batch

7

Flared test

Appendix A

Take 1 samples per batch

8

Requirements for the inner surface of high definition clean steel pipe

Appendix B

Consultation between Supply and demand parties

9

Outer coating

Appendix C

Consultation between Supply and demand parties

10

Residuals of internal surface cleanliness

Appendix D

Consultation between Supply and demand parties

Tabla A El tamaño de una sola luz doble

Out

Dimensions

D

Single-Layer expansion diameter

D1

Double-Layer expansion diameter

D2

The minimum length of Double-Layer expansion diameter

L

Inner diameter of double-lay expansion

D3

The inner diameter of flaring round corner

r

3.18

4.5

5.0

1.0

The maximum

size :(D-2S)+0.25

The minimum size:(D-2S)-0.50

1.0±0.3

 

4.00

5.4

6.0

1.0

4.76

6.3

7.0

1.0

5.00

6.6

7.3

1.0

6.00

7.7

8.4

1.0

6.35

8.1

8.8

1.0

7.94

10.1

10.7

1.6

8.00

10.1

10.8

1.6

9.53

11.8

12.5

1.6

10.00

12.3

13.0

1.6

12.00

14.6

15.2

1.6

14.00

17.0

17.5

2.1

15.88

19.1

19.6

2.1

16.00

19.2

19.7

2.1

18.00

21.5

22.0

2.1

Only to choose one from D2 and D3

Tabla C.1 La etiqueta, el tipo y el tiempo de los tubos de acero anticorrosión para refrigeración

Label

Type

The time of anti-corrosion

Cu

Copper-coated iron

--

Zn

Galvanized pipe

48h

Tabla C.2 La película de conversión del tubo de cobre en su etiqueta, tipo, apariencia típica y el tiempo de anticorrosión

Label

Type

Typical appearance

The time of anti-corrosion

A

Bright

Transparent, sometimes with a slight blue light

6h

B

Bleach

Transparent and a little iridescence

24h

C

Iridescence

The iridescence of partial yellow

72h

D

Dark color

Oliver green with brown and bronze

96h

E

Composite

Dark

200h

Note: This table is based on chromate conversion film, the use of other treatment methods can be negotiated by both parties

Welded Steel Pipe,Spiral Welded Steel Pipe,High Frequency Welded Steel Pipe,Black Carbon Steel Welded Pipe, Oval steel tube

PIC_20161125_110627_FE7


PRODUCTOS POR GRUPO : Tubería de acero soldada

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