Thuis > Product List > Gelaste stalen buis > GB24187 Koudgetrokken precisie-enkelgelaste stalen buizen

GB24187 Koudgetrokken precisie-enkelgelaste stalen buizen

betaling Type:
L/C,T/T,D/P,Paypal,Money Gram,Western Union
Incoterm:
FOB,CFR,CIF,FCA,CPT
Min. orde:
5 Ton
vervoer:
Ocean,Land,Air
Haven:
Shanghai,Ningbo
  • Beschrijving
Overview
Productkenmerken

ModelGB24187

merkTorich

Leveringscapaciteit en aanvullende infor...

verpakkingen verpakken in houten kisten of in zeshoekige bundels

produktiviteit20000 Tons per Year

vervoerOcean,Land,Air

Plaats van herkomstZhejiang, China (Vasteland)

Ondersteuning over60000 Ton per year

CertificaatISO9001:2008 ISO14001:2008

GS-code7306301100

HavenShanghai,Ningbo

betaling TypeL/C,T/T,D/P,Paypal,Money Gram,Western Union

IncotermFOB,CFR,CIF,FCA,CPT

Verpakking & Levering
Verkoopeenheden:
Ton
Pakkettype:
verpakken in houten kisten of in zeshoekige bundels

Productnaam : GB24187 Koudgewalst koolstofarm staal Koudgetrokken precisie gelaste stalen buizen

Standaard : GB24187

OD: 3-420 mm

WT: 0,5-50 mm

Lengte : 1-12m of volgens de daadwerkelijke toepassing en productie van klanten.

Toepassing : machines

Staalrang : 10 # .20 #

Technologie : koudgetrokken, koudgewalst

Kenmerk:

Goede rondloopnauwkeurigheid

Goede oppervlaktekwaliteit

Goede OD- en ID-tolerantie

Hoge precisie

Stabiele kwaliteit

Gladde ruwheid

KWALITEITSBORGING VAN TORICH


Tabel 1 Het type, de toestand en de code van het oppervlak van de stalen buis

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.

Tabel 2 Buitendiameter, wanddikte en theoretisch gewicht

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

Tabel 4 Toelaatbare afwijking van de wanddikte van stalen buizen

Wall thickness

Permissible deviation

0.70

±0.05

0.70

±0.07

Tabel 5 Toelaatbare afwijking van gespecificeerde lengte stalen buis

Length

Allowable deviation

2000

+4

0

2000-5000

+7

0

5000-8000

+10

0

TABEL 6 Chemische samenstelling van staalstrip ( massafractie ) %

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

TABEL 7 Mechanische eigenschappen van koudgewalste koolstofstalen strip

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.

TABEL 8 Mechanische eigenschappen van koudgewalste band met ultralaag koolstofstaalstaal

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.

TABEL 9 Mechanische eigenschappen van stalen buizen

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.

TABEL 10 Inspectiepunten, testmethoden en monsternemingshoeveelheid

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

Tabel A De grootte van enkele dubbele affakkeling

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

Tabel C.1 Het etiket, het type en de tijd van roestwerende stalen buizen voor koeling

Label

Type

The time of anti-corrosion

Cu

Copper-coated iron

--

Zn

Galvanized pipe

48h

Tabel C.2 De conversiefilm van koperen buis op het etiket, type, typische uiterlijk en de tijd van anticorrosie

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


Product Categorie : Gelaste stalen buis

Thuis > Product List > Gelaste stalen buis > GB24187 Koudgetrokken precisie-enkelgelaste stalen buizen
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