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
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
barco tubo productos
Shangdong Poder Metal Producto S.A. es un fabricante y exportador profesional de barco tubo inoxidable en China. Pricipalmente los productos son exportados a Europa, América, Asia, Oriente Medio, Rusia, África y otros países de todo el mundo, estamos buscando más socios, de barco tubo inoxidable para ampliar nuestra cooperación.
todo 1 productos
Ver: 
Standards
Standard for malerials and wielding from Chinese classifying society Chinese clasifying society(CCS)
Standard of DNV Det Norske Veritas(DNV)
Standard of LloydS Register of UK(LR)LloydS Register of UK(LR)
Standard of Germanischer Lloyd Germanischer Lloyd(GL)
Standard of American Bureau of Shipping(ABS)American Bureau of Shipping(ABS)
Standard of BUREAU VERITAS(BV)BUREAU VERITAS(BV)
Standard of RINA Italian classification society(RINA)
Standard of NIPPON KAIJI KYOKAI(NK)NIPPON KAIJI KYOKAI(NK)
GBT5312 Chinese national standard
Appication
Seamless steel tubes for manufacturing marine boilers and ovemeaters as we as pressure pipes opf grade I and .
Model N0.of major steel tubes
320,360,410,460,490,etc.
|
Types of steel tubes
|
Outer diameters
|
wall thickness
|
||
|
Cold-rolled tubes
|
Rube size(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
|
Mechanocal properties
|
Standard code
|
Models of steel tubes
|
Tensile strengthMPa
|
Yield strengthMPa
|
Elongation
|
|
GB/T5312
|
320
|
320∼410
|
≥195
|
≥25
|
|
360
|
360∼480
|
≥215
|
≥24
|
|
|
410
|
410∼530
|
≥235
|
≥22
|
|
|
460
|
460∼580
|
≥265
|
≥21
|
|
|
490
|
490∼610
|
≥285
|
≥21
|
Chemical compisition:
|
Standard code
|
Models of steel tubes
|
Chemical compisition
|
||||
|
C
|
Si
|
Mn
|
P
|
S
|
||
|
GB/T5312
|
320
|
≤0.16
|
≤0.35
|
0.40∼0.70
|
≤0.035
|
≤0.035
|
|
360
|
≤0.17
|
≤0.35
|
0.40∼0.80
|
≤0.035
|
≤0.035
|
|
|
410
|
≤0.21
|
≤0.35
|
0.40∼1.20
|
≤0.035
|
≤0.035
|
|
|
460
|
≤0.22
|
≤0.35
|
0.80∼1.40
|
≤0.035
|
≤0.030
|
|
|
490
|
≤0.23
|
≤0.35
|
0.80∼1.50
|
≤0.035
|
≤0.030
|
|
Noteresidual elements:Cr≤0.25,Mo≤0.10,Ni≤0.30,Cu≤0.30aggregate≤0.70
