detalles productos

Petróleo tubo de grietas

Modelo:

Descripción:

Standard:
GB9948 Chinese national standard
Application:
Served as for furnace tubes,heat exchange tubes and pipelines in petroleum and refinery plants
Model No.of major steel tubes:
1n 9n 1Er!rMn 1rhMn 1f:hM0 etC

Diamensional tolerances:

Types of steel tubes

Outer diameter

Wall thickness

Cold-rolled tubes

Tube sizes(mm)

Tolerances(mm)

Tube sizes (mm)

Tolerances(mm)

>30~50

±0.3

≤30

±10

>50~219

±0.8

Hot-rolled tubes

>219

±1.0

>20

±10

Mechanical properties:

Standard codes

Models of steel tubes

TENSILE STRENGTHMPa

YIELD POINTMPa

Elongation

Impact testJ

Brinell hardnessHB

Delivery Status

GB9948

10

330490

≥205

≥24

/

/

Normalizing

20

410550

≥245

≥21

≥39

/

Normalizing

15CrMo

440640

≥235

≥21

≥47

≤170

Normalizing+Tempering

1Cr2Mo

≥390

≥175

≥22

≥92

≤179

Normalizing+Tempering

1Cr5Mo

≥390

≥195

≥22

≥92

≤187

Annealing

Chemical composition:

Standard codes

Models of steel tubes

Chemical compositions

C

Si

Mn

P

S

Cr

Mo

Ni

GB9948

10

0.070.14

0.170.37

0.350.65

≤0.035

≤0.035

≤0.15

/

≤0.25

20

0.170.24

0.170.37

0.350.65

≤0.035

≤0.035

≤0.25

/

≤0.25

15CrMo

0.120.18

0.170.37

0.400.70

≤0.035

≤0.035

0.801.10

0.400.55

≤0.30

1Cr2Mo

≤0.15

0.501.00

0.300.60

≤0.035

≤0.030

2.152.85

0.450.65

/

1Cr5Mo

≤0.15

≤0.50

≤0.60

≤0.035

≤0.030

4.006.00

0.450.60

≤0.60

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Enlaces relacionados:Petróleo tubo de grietas

Directorio de Productos:Productos de China Petróleo tubo de grietas Chinese Petróleo tubo de grietas

PBusque Por Categorías

tubos de acero,tubería de acero
caldera de tubo
Tubo mecánico
Tubo de acero en Aleación
Tubería de líquido
Estructura de la tubería
Tubo de aceite y carcasa
Tubo de Acero inoxidable sin costura
de calor de tubo intercambiador
barco tubo
Petróleo tubo de grietas
De acero inoxidable de tubos con costura
De acero al carbono de tubos con costura

contáctenos

Shandong Power Metal Products Co.,Limited

Persona de contacto:
Mr.Zhang
domicilio: Room 1724,Jinding international building,Yimeng road,Lanshan district,Linyi city,Shandong province,China.
telefono: 0539-8035715
Fax: 0539-7164885

Email:sales@chinapowermetal.com

Types of steel tubes	Outer diameter		Wall thickness
Cold-rolled tubes	Tube sizes(mm)	Tolerances(mm)	Tube sizes (mm)	Tolerances(mm)
	>30~50	±0.3	≤30	±10
	>50~219	±0.8	≤30	±10
Hot-rolled tubes	>219	±1.0	>20	±10

Standard codes	Models of steel tubes	TENSILE STRENGTHMPa	YIELD POINTMPa	Elongation	Impact testJ	Brinell hardnessHB	Delivery Status
GB9948	10	330490	≥205	≥24	/	/	Normalizing
	20	410550	≥245	≥21	≥39	/	Normalizing
	15CrMo	440640	≥235	≥21	≥47	≤170	Normalizing+Tempering
	1Cr2Mo	≥390	≥175	≥22	≥92	≤179	Normalizing+Tempering
	1Cr5Mo	≥390	≥195	≥22	≥92	≤187	Annealing

Standard codes	Models of steel tubes	Chemical compositions
Standard codes	Models of steel tubes	C	Si	Mn	P	S	Cr	Mo	Ni
GB9948	10	0.070.14	0.170.37	0.350.65	≤0.035	≤0.035	≤0.15	/	≤0.25
	20	0.170.24	0.170.37	0.350.65	≤0.035	≤0.035	≤0.25	/	≤0.25
	15CrMo	0.120.18	0.170.37	0.400.70	≤0.035	≤0.035	0.801.10	0.400.55	≤0.30
	1Cr2Mo	≤0.15	0.501.00	0.300.60	≤0.035	≤0.030	2.152.85	0.450.65	/
	1Cr5Mo	≤0.15	≤0.50	≤0.60	≤0.035	≤0.030	4.006.00	0.450.60	≤0.60

Petróleo tubo de grietas

tubos de acero,tubería de acero

caldera de tubo

Tubo mecánico

Tubo de acero en Aleación

Tubería de líquido

Estructura de la tubería

Tubo de aceite y carcasa

Tubo de Acero inoxidable sin costura

de calor de tubo intercambiador

barco tubo

Petróleo tubo de grietas

De acero inoxidable de tubos con costura

De acero al carbono de tubos con costura