Detail Information
Certifications: ISO 2531 and EN 545.
Class: K9.
Size: DN80 to 1200.
Inner cement line: Portland cement lining.
Standard of pipe: ISO 2531:1998, EN 545:2002 and K9.
Effective length: 6m when using bulk shipment way or about 5.5 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.
High strength, lighter than gray iron, nice corrosion-resistant, no furring, small flow-resistant, easy fixing and long lifespan.
Checked by automatic inspection equipment.
Composition:
C: 3.4 to 3.7%.
Si: 2.0 to 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).
Class: K9.
Size: DN80 to 1200.
Inner cement line: Portland cement lining.
Standard of pipe: ISO 2531:1998, EN 545:2002 and K9.
Effective length: 6m when using bulk shipment way or about 5.5 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.
High strength, lighter than gray iron, nice corrosion-resistant, no furring, small flow-resistant, easy fixing and long lifespan.
Checked by automatic inspection equipment.
Composition:
C: 3.4 to 3.7%.
Si: 2.0 to 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).
Teresa
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Teresa is a skilled author specializing in industrial technical articles with over eight years of experience. She has a deep understanding of manufacturing processes, material science, and technological advancements. Her work includes detailed analyses, process optimization techniques, and quality control methods that aim to enhance production efficiency and product quality across various industries. Teresa's articles are well-researched, clear, and informative, making complex industrial concepts accessible to professionals and stakeholders.
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