Model Number: SOLID-ductile iron water pipe-#5534 Brand Name: SOLID Key Specifications/Special Features: Specifications:Standard of pipe: ISO 2531 - 1998, EN545-2002 , K9Effective length: 6M when using bulk shipment way, or about 5.5m or 5.7m when in 20' container shipment wayInner cement line: Portland cement lining as per ISO 4179

Zinc coating: at least 130gsm as per ISO 8179

Bitumen painting: at least 70um as per ISO 8179

Gaskets are NBR rubber, natural rubber, SBR rubber or EPDM rubber

Tightness ring as per ISO4633

DN 80 - 1,200 mm

High strength, lighter than gray iron, good corrosion resistance, no furring, small flow resistance, easy fixing, long lifespan

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, flattening test)

Zinc coating (thickness testing)

Dimensional checks (thickness and diameter testing)

Hydraulic test (pressure test)

Internal lining (thickness testing)

External coating (thickness test)