JIANGSU HAOHUA INDUSTRY GROUP

Description

Product is designed and manufactured for the boiler, superheater and pressure system of ships.
Production Standard，Steel No.
CCS 360,410,440,490
DNV Carbon and Carbon Manganese Steel,Alloy Steel
LR Carbon and Carbon Manganese Steel,Alloy Steel
GL GL-R360,GL-R410,GL-R510
BV 410HB,510HB
KR RST138,RST142
ABS ASTM A53 B/C, ASTM A106 B/C, ASTM A179, ASTM A192
NK STPG410 ,STPG510
Delivery Conditions for carbon seamless steel pipe
Annealed,Normalized
Inspections and tests performed
Chemical Composition Inspection, Mechanical Properties Test(Tensile Strength, Yield Strength,,Elongation, Flaring, Flattening,Bending, Hardness, Impact Test ), Sulphur Print Test, Metallographic Structures Inspection, Surface and Dimension Test, Non-destructive Test ,Hydrostatic Test.
Surface treatment
Oil-dip,varnish,Passivation,Phosphating,Shot Blasting
Size Range
O.D 16-168.3mm
W.T 1.5-15mm
Quality Production Standard，Pipe Steel No.
CCS 360,410,440,490
DNV Carbon and Carbon Manganese Steel,Alloy Steel
LR Carbon and Carbon Manganese Steel,Alloy Steel
GL GL-R360,GL-R410,GL-R510
BV 410HB,510HB
KR RST138,RST142
ABS ASTM A53 B/C, ASTM A106 B/C, ASTM A179, ASTM A192
NK STPG410 ,STPG510
Pipe Delivery Conditions
In bundles ,Annealed,Normalized
Inspections and tests performed for the pipe
Chemical Composition Inspection, Mechanical Properties Test(Tensile Strength, Yield Strength,,Elongation, Flaring, Flattening,Bending, Hardness, Impact Test ), Sulphur Print Test, Metallographic Structures Inspection, Surface and Dimension Test, Non-destructive Test ,Hydrostatic Test.


International classification of ships:
Standard for malerials and wielding from Chinese classifying society Chinese clasifying society(CCS)
Standard of DNV Det Norske Veritas(DNV)
Standard of Lloyd’S Register of UK(LR)　Lloyd’S 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)
Application：
Seamless steel tubes for manufacturing marine boilers and ovemeaters as we as pressure pipes opf grade I and Ⅱ．
Field of Application:
Products is designed and manufactured for boilers, supeiheaters and pressure systems of ships.
Length: 25 meters maximum, we advice 11.8 meters max.
Surface condition: bright annealed and pickled
Packing: plastic pipe cap, plastic bag and steel strips bundled
Delivery Conditions: Annealed, Normalized, Normalized and Tempered
Inspection and Test:
Chemical Composition Inspection, Mechanical Properties Test(Tensile Strength,Yield Strength, Elongation, Flaring, Flattening, Hardness, Impact Test), Surface and Dimension Test,No-destructive Test, Hydrostatic Test.
Surface treatment:Oil-dip, Varnish, Passivation, Phosphating, Shot Blasting.