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  • Torich International Co.,Ltd--The Steel Tube Maker

  •  [Zhejiang,China]
  • Unternehmenstyp:Händler / Großhändler , Hersteller , Bedienung , Handels Unternehmen
  • Main Mark: Afrika , Amerikas , Asien , Karibik , Osteuropa , Europa , Mittlerer Osten , Nordeuropa , Ozeanien , Andere Märkte , Westeuropa , Weltweit
  • Exporteur:31% - 40%
  • Zert:GB, ISO9001, ISO14001
  • Beschreibung:Nahtlose Stahlrohre GB 9948,12CrMo 15CrMo 12Cr1MoV 07Cr19Ni10,Petroleum Cracking nahtlose Stahlrohre
Torich International Co.,Ltd--The Steel Tube Maker Nahtlose Stahlrohre GB 9948,12CrMo 15CrMo 12Cr1MoV 07Cr19Ni10,Petroleum Cracking nahtlose Stahlrohre
Zuhause > Produkt-Liste > Nahtlose Stahlrohre > GB 9948 Petroleum Cracking nahtlose Stahlrohre

GB 9948 Petroleum Cracking nahtlose Stahlrohre

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    Zahlungsart: L/C,T/T,D/P,Paypal,Money Gram,Western Union
    Incoterm: FOB,CFR,CIF,FCA,CPT
    Minimum der Bestellmenge: 5 Ton
    Lieferzeit: 30 Tage

Basisinformation

Modell: GB 9948

Additional Info

Verpakung: Verpackung in Holzkisten oder in hexagonalen Bündeln

Produktivität: 20000 Tons per Year

Marke: Zu reich

Transport: Ocean,Land,Air

Ort Von Zukunft: China

Versorgungsmaterial-Fähigkeit: 60000 Ton per year

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

HS-Code: 7304293000

Hafen: Shanghai,Ningbo

Produktbeschreibung

Produktname: GB 9948 Material10 # 20 # 12CrMo 15CrMo 12Cr1MoV Petroleum Cracking nahtlose Stahlrohre

Wir sind Hersteller der nahtlosen Stahlrohre in China, wenn Sie nahtloses Kohlenstoffstahlrohr, Öl-Zylinder-Stahlrohr, Präzisions-nahtloses Stahlrohr, Hydraulikzylinder-Stahlrohr kaufen möchten, treten Sie mit uns bitte in Verbindung.

Aus Durchmesser: 3 ~ 600mm

Wandstärke: 0,5 ~ 50 mm

Anwendung: Es ist für die nahtlose Stahlrohre für Ofen, Wärmetauscher Petroleum Cracking usw. verwendet.



Tabelle 1 Die Toleranzen des Außendurchmessers und der Wandstärke Einheit: 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

Tabelle2 Die Toleranz der Mindestwandstärke Einheit: 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

Tabelle3 Stahlsorte und chemische Zusammensetzung

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

Tabelle4 Wärmebehandlungsstandard

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)

 

Tabelle5 Mechanische Eigenschaft

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

Tabelle6 Kerbschlagzähigkeitsabsorptionsdämpfungsfaktor einer kleinen Probe

Specimen

Specimen size(heightXwidth)mm

Attenuation factor

Standard sample

10X10

1.00

Small sample

10X7.5

0.75

Small sample

10X5

0.50

Table7 Aufweitgeschwindigkeit von Stahlrohren

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

Tabelle 8 Prüfgegenstände und Probenahmemenge von Stahlrohren

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

Tabelle A.1 Vergleichstabelle ähnlicher Stahlsorte

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


Produktgruppe : Nahtlose Stahlrohre

Produkt-Bild
  • GB 9948 Petroleum Cracking nahtlose Stahlrohre
  • GB 9948 Petroleum Cracking nahtlose Stahlrohre
  • GB 9948 Petroleum Cracking nahtlose Stahlrohre
  • GB 9948 Petroleum Cracking nahtlose Stahlrohre
  • GB 9948 Petroleum Cracking nahtlose Stahlrohre
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