K7 Ductile Iron Pipe, DN80-DN1200, 6 Meters
Key Specifications / Features
Model No.: Hits: 5
K7 Ductile Iron Pipe Manufacturer: Ductile Iron Pipe, DN80-DN1200, ISO 2531-1998, EN 545-2002, K7, K9, Length 5.5m, 5.7m or 6 Meters, Easy to Fix.
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Detail Infomation
Standards: ISO 2531-1998, EN 545-2002, K7, K9.
Effective length: 6 m when using bulk shipment way or about 5.5m or 5.7m when in 20ft container shipment way.
Inner cement line: Portland cement lining as per ISO 4179.
Zinc coating: at least 130gsm as per ISO 8179.
Bitumen painting: at least 70μm as per ISO 8179.
Gaskets are NBR rubber, natural rubber, SBR rubber or EPDM rubber tightness ring as per ISO 4633.
Size: DN80-DN1200.
High strength, lighter than gray iron, nice corrosion resistance, no furring, small flow resistance, easy fixing and long life time.
Checked by automatic inspection equipment.
Composition:
C: 3.4-3.7%.
Si: 2.0-2.4%.
P: <0.08%.
S: <0.015%.
Pull strength: >420MPa.
Yield: >10%.
Hardness: <230HB.
Process and testing:
Blast furnace (analysis of raw materials test).
Mg treatment (micro and chemical composition test).
Pipe spinning (temperature test).
Heat treatment (micro structure and flattening test).
Zinc coating (thickness testing).
Dimensional checks (thickness and diameter testing).
Hydraulic test (pressure test).
Internal lining (thickness testing).
External coating (thickness test).
Effective length: 6 m when using bulk shipment way or about 5.5m or 5.7m when in 20ft container shipment way.
Inner cement line: Portland cement lining as per ISO 4179.
Zinc coating: at least 130gsm as per ISO 8179.
Bitumen painting: at least 70μm as per ISO 8179.
Gaskets are NBR rubber, natural rubber, SBR rubber or EPDM rubber tightness ring as per ISO 4633.
Size: DN80-DN1200.
High strength, lighter than gray iron, nice corrosion resistance, no furring, small flow resistance, easy fixing and long life time.
Checked by automatic inspection equipment.
Composition:
C: 3.4-3.7%.
Si: 2.0-2.4%.
P: <0.08%.
S: <0.015%.
Pull strength: >420MPa.
Yield: >10%.
Hardness: <230HB.
Process and testing:
Blast furnace (analysis of raw materials test).
Mg treatment (micro and chemical composition test).
Pipe spinning (temperature test).
Heat treatment (micro structure and flattening test).
Zinc coating (thickness testing).
Dimensional checks (thickness and diameter testing).
Hydraulic test (pressure test).
Internal lining (thickness testing).
External coating (thickness test).
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