Home > Elenco prodotti > Tubi in acciaio senza saldatura > GB 9948 Tubi di acciaio senza saldatura per cracking di petrolio

GB 9948 Tubi di acciaio senza saldatura per cracking di petrolio

Tipo di pagamento:
L/C,T/T,D/P,Paypal,Money Gram,Western Union
Incoterm:
FOB,CFR,CIF,FCA,CPT
Quantità di ordine minimo:
5 Ton
Trasporti:
Ocean,Land,Air
Porta:
Shanghai,Ningbo
  • Descrizione del prodotto
Overview
Caratteristiche del prodotto

ModelloGB 9948

marchioTorich

Capacità di fornitura e informazioni ag...

Pacchettoimballaggio in scatole di legno o in fasci esagonali

produttività20000 Tons per Year

TrasportiOcean,Land,Air

Luogo di origineCina

Supportare60000 Ton per year

Certificati ISO9001:2008 ISO14001:2008, TS16949, CE PED, TUV, API

Codice SA7304293000

PortaShanghai,Ningbo

Tipo di pagamentoL/C,T/T,D/P,Paypal,Money Gram,Western Union

IncotermFOB,CFR,CIF,FCA,CPT

Confezionamento e consegna
Unità vendibili:
Ton
Tipo pacchetto:
imballaggio in scatole di legno o in fasci esagonali

Nome del prodotto: GB 9948 Material10 # 20 # 12CrMo 15CrMo 12Cr1MoV Petrolio Cracking tubi in acciaio senza saldatura

Siamo produttori di tubi in acciaio senza saldatura in Cina, se si desidera acquistare tubi in acciaio al carbonio senza saldatura, tubi in acciaio per cilindro dell'olio, tubi in acciaio senza saldatura di precisione, tubi in acciaio per cilindri idraulici, non esitate a contattarci.

Fuori diametro: 3 ~ 600 mm

Spessore della parete: 0,5 ~ 50mm

Applicazione: Viene utilizzato per tubi di acciaio senza saldatura per forni, scambiatori di calore, cracking di petrolio, ecc.



Tabella 1 Tolleranze del diametro esterno e unità spessore parete : mm

Sort Code

Manufacuring Method

Nominal Size

Tolerances

Common Level

High Level

W-H

Hot Rolling (Extrusion)

Outer Diameter     D

54

±0.50

±0.30

54~325

±1%D

±0.75%D

325

±1%D

-

Wall Thicknass     S

20

+15%S

-10%S

±10%S

20

+12.5%S

-10%S

±10%S

Hot Expand

Outer Diameter     D

All

±1%D

Wall Thicknass     S

All

±15%S

W-C

Cold Drawn(Rolling)

Outer Diameter     D

25.4

±0.15

25.4~40

±0.20

40~50

±0.25

50~60

±0.30

60

±0.75%D

±0.5%D

Wall Thicknass     S

3.0

±0.3

±0.2

3.0

±10%S

±7.5%S

Tabella 2 Tolleranza dell'unità spessore parete minima: mm

Sort Code

Manufacturing Method

Minimum Wall Thickness    Smin

Tolerance

Common Level

High Level

W-H

Hot Rolling(Extrusion)

4.0

+0.90

0

+0.70

0

4.0

+25%Smin

0

+22%Smin

0

W-C

Cold Drawn(Rolling)

3.0

+0.6

0

+0.4

0

3.0

+20%Smin

0

+15%Smin

0

Tabella 3 Grado di acciaio e composizione chimica

Steel grade

Chemical composition %

C

Si

Mn

Cr

Mo

Ni

Nb

Ti

V

Cu

P

S

10

0.07~

0.13

0.17~

0.37

0.35~

0.65

0.15

0.15

0.25

-

-

0.08

0.20

0.025

0.015

20

0.17~

0.23

0.17~

0.37

0.35~

0.65

0.25

0.15

0.25

-

-

0.08

0.20

0.025

0.015

12CrMo

0.08~

0.15

0.17~

0.37

0.40~

0.70

0.40~

0.70

0.40~

0.55

0.30

-

-

-

0.20

0.025

0.015

15CrMo

0.12~

0.018

0.17~

0.37

0.40~

0.70

0.80~

1.10

0.40~

0.55

0.30

-

-

-

0.20

0.025

0.015

12CrlMo

0.08~

0.15

0.50~

1.00

0.30~

0.60

1.00~

1.50

0.45~

0.65

0.30

-

-

-

0.20

0.025

0.015

12CrlMoV

0.08~

0.15

0.17~

0.37

0.40~

0.70

0.90~

1.20

0.25~

0.35

0.30

-

-

0.15~

0.30

0.20

0.025

0.015

12Cr2Mo

0.08~

0.15

0.50

0.40~

0.60

2.00~

2.50

0.90~

1.13

0.30

-

-

-

0.20

0.025

0.015

12Cr5MoI

12Cr5MoNT

0.15

0.50

0.30~

0.60

4.00~

6.00

0.45~

0.60

0.60

-

-

-

0.20

0.025

0.015

12Cr9MoI

12Cr9MoNT

0.15

0.25~

1.00

0.30~

0.60

8.00~

10.00

0.90~

1.10

0.60

-

-

-

0.20

0.025

0.015

07Cr19Ni10

0.04~

0.10

1.00

2.00

18.00~

20.00

-

8.00~

11.00

-

-

-

-

0.030

0.015

07Cr18Ni11Nb

0.04~

0.10

1.00

2.00

17.00~

19.00

-

9.00~

12.00

8C~

1.10

-

-

-

0.030

0.015

07Cr19Ni11NTi

0.04~

0.10

0.75

2.00

17.00~

20.00

-

9.00~

13.00

-

4C~

0.60

-

-

0.030

0.015

022Cr17Ni12Mo2

0.30

1.00

2.00

16.00~

18.00

2.00~

3.00

10.00~

14.00

-

-

-

-

0.030

0.015

Tabella 4 Standard di trattamento termico

Steel Grade

Heat Treatment Standard

10a

Normalizing;At Temperature 880℃~940℃

20a

Normalizing:At Temperature 880℃~940℃

12CrMob

Normalizing:At Temperature 900℃~960℃

Tempering:At Temperature 670℃~730℃

15CrMob

Normalizing:At Temperature 900℃~960℃

Tempering:At Temperature 680℃~730℃

12Cr1Mob

Normalizing:At Temperature 900℃~960℃

Tempering:At Temperature 680℃~750℃

12Cr1MoVb

S30mm:Normalizing:At Temperature 980℃~1020℃

Tempering:At Temperature 720℃~760℃

S30mm:Quenching:At Temperature 950℃~990℃

Tempering:At Temperature 720℃~760℃

Or       Normalizing:At Temperature 980℃~1020℃

(rapid cooling after Normalizing)

Tempering:At Temperature 720℃~760℃

12Cr2Mob

S30mm:Normalizing:At Temperature 900℃~960℃

Tempering:At Temperature 700℃~750℃

S30mm:Quenching:At Temperature ≥ 900℃

Tempering:At Temperature 700℃~750℃

Or       Normalizing:At Temperature 900℃~960℃

(rapid cooling after Normalizing)

Tempering:At Temperature 700℃~750℃

12Cr5MoI

Full Annealing or isothermal annealing

12Cr5MoNT

Normalizing:At Temperature 930℃~980℃

Tempering:At Temperature 730℃~770℃

12Cr9MoI

Full Annealing or isothermal annealing

12Cr9MoNT

Normalizing:At Temperature 890℃~950℃

Tempering:At Temperature 720℃~800℃

07Cr19Ni10

Treatment with solid solving:At Temperature ≥ 1040℃

(rapid cooling after Treatment)

 

07Cr18Ni11Nb

Treatment with solid solving:

For Hot Rolled Tube At Temperature ≥ 1050℃

For Cold Drawn(rolled)Tube At Temperature ≥ 1100℃

(rapid cooling after Treatment)

 

07Cr19Ni11Ti

Treatment with solid solving:

For Hot Rolled Tube At Temperature ≥ 1050℃

For Cold Drawn(rolled)Tube At Temperature ≥ 1100℃

(rapid cooling after Treatment)

 

Tabella5 Proprietà meccanica

Steel Grade

Tensile

Strength

Rm/MPa

Lower yield strength Rp0.2/MPa

Elongation A/%

Shock absorption KV2/J

Brinell hardness

Longitudinal direction

Transverse

Longitudinal direction

Transverse

10

335~475

205

25

23

40

27

-

20

410~550

245

24

22

40

27

-

12CrMo

410~560

205

21

19

40

27

156HBW

15CrMo

440~640

295

21

19

40

27

170HBW

12Cr1Mo

415~560

205

22

20

40

27

163HBW

12Cr2MoV

470~640

255

21

19

40

27

179HBW

12Cr2Mo

450~600

280

22

20

40

27

163HBW

12Cr5MoI

415~590

205

22

20

40

27

163HBW

12Cr5MoNT

480~640

280

20

18

40

27

-

12Cr9MoI

460~640

210

20

18

40

27

179HBW

12Cr9MoNT

590~740

390

18

16

40

27

-

07Cr19Ni10

≥520

205

35

-

-

187HBW

07Cr18Ni11Nb

≥520

205

35

-

-

187HBW

07Cr19Ni11Ti

≥520

205

35

-

-

187HBW

022Cr17Ni12Mo2

≥485

170

35

-

-

187HBW

If the wall thickness of the tube is less than 5mm, doesn`t have to do the hardness test

Tabella 6 Fattore di attenuazione dell'assorbimento di energia di impatto di un piccolo campione

Specimen

Specimen size(heightXwidth)mm

Attenuation factor

Standard sample

10X10

1.00

Small sample

10X7.5

0.75

Small sample

10X5

0.50

Tabella 7 Tasso di svasatura del diametro dei tubi di acciaio

Steel

Diameter flaring rate of steel tubes/%

ID/OD

0.6

0.6~0.8

0.8

Carbon structural steel

10

12

17

Alloy structural steel

8

10

15

Stainless(heat resistance)steel

12

15

20

Tabella 8 Test di articoli e quantità di campionamento di tubi di acciaio

Number

Testing items

Sampling quantity

1

Chemical composition

1 sample from each furnace

2

Tensile test

1 sample from each of two steel tubes on each batch

3

Hardness test

3 samples taken on 2 steel tubes on each batch

4

Impact test

All

5

Hydraulic test

1 sample from each of two steel tubes on each batch

6

Flattening test

2 samples taken on 2 steel tubes on each batch

7

Bending test

1 sample taken on 2 steel tubes on each furnace

8

Flaring test

2 samples taken on 2 steel tubes on each batch

9

Macroscopic examination

1 sample taken on 2 steel tubes on each furnace

10

Non-metallic inclusions

1 sample taken on 2 steel tubes on each furnace

11

Eddy current testing

All

12

Magnetic flux leakage detection 

All

13

Ultrasonic testing

All

14

Intergranular corrosion test

1 sample from each of two steel tubes on each batch

Tabella A.1 Tabella di confronto di grado d'acciaio simile

No.

GB

Similar Steel Grade

ISO

EN

ASTM/ASME

JIS

1

10

-

P195GH

A

STB 340

2

20

PH26

P235GH

A-1.B

STB 410

3

12CrMo

-

-

T2/P2

STBA 20

4

15CrMo

13CrMo4-5

13CrMo4-5

T12/P12

STBA 22

5

12Cr1Mo

-

10CrMo5-5

T11/P11

STBA 23

6

12Cr1MoV

-

-

-

-

7

12Cr2Mo

10CrMo9-10

10CrMo9-10

T22/P22

STBA 24

8

12Cr5Mo-I

X11CrMo9-1TA

X11CrMo5+I

T5/P5

STBA 25

9

12Cr5Mo-NT

-

X11CrMo5+NT

T5/P5

STBA 25

10

12Cr9Mo-I

X11CrMo9-1TA

X11CrMo9-1+I

T9/P9

STBA 26

11

12Cr9Mo-NT

-

X11CrMo9-1+NT

T9/P9

STBA 26

12

07Cr19Ni10

X7CrNi18-9

X6CrNi18-10

TP304H

SUS 304H TB

13

07Cr18Ni11Nb

X7CrNiNb18-10

X7CrNiNb18-10

TP347H

SUS 347H TB

14

07Cr19Ni11Ti

-

X6CrNiTi18-10

TP321H

SUS 321H TB

15

022Cr17Ni12Mo2

-

X2CrNiMo17-12-2

TP316L

SUS 316L TB

Seamless Steel Tubes,Seamless Carbon Steel Tube,Oil Cylinder Steel Tube,Precision Seamless Steel Tube,Hydraulic Cylinder Steel Tube


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