GB/T 13663-2000
Replaced
T/GZAS 007-2021
Active
Group standards
T/GZAS 007-2021 Polyethylene (modified anhydrous calcium sulfate) double layer steel-plastic pipe
T/GZAS 007-2021 Polyethylene (modified anhydrous calcium sulfate) double layer steel-plastic pipe
Price:
$ 20.00
Basic Information
Standard Code:
T/GZAS 007-2021
Standard Type:
Group standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
X-ray, magnetic particle, fluorescence, and other nondestructive testing instruments
ICS Name:
Plastic pipes, fittings, and valves
Publish Date:
2021-05-21
Implement Date:
2021-05-21
Scope
Main technical specifications: Tensile strength (MPa) ≥ 20, elongation at break (%) > 400, flexural modulus (MPa) ≥ 1170, melt mass flow rate (g/10 min) ≤ 1.6, ring stiffness (kN/SN) ≥ 8, SN12.5 ≥ 12.5, SN16 ≥ 16. Drop hammer impact test - 10/10 passed. Ring flexibility - the sample is smooth, without cracks, and the two walls do not separate. Oven test - no bubbles, no delamination, no cracking. Creep ratio (%) ≤ 4. OIT (Oxidation Induction Time) min ≥ 50.
Development Information
Related Standards
GB/T 18251-2000
Replaced
GB/T 18251-2000 Method for the assessment of pigment or carbon black dispersion in polyolefin pipes,fittings and compounds
GB/T 18252-2000
Replaced
GB/T 18252-2000 Plastics piping and ducting systems—Determination of the long-term hydrostatic strength of thermoplastics materials in pipe form by extrapolation
GB/T 18477-2001
Replaced
GB/T 18477-2001 Unplasticized polyvinyl chloride(PVC-U) double wall corrugated pipes for underground soil, waste and drainage
GB/T 18742.1-2002
Replaced
GB/T 18742.1-2002 Polypropylene piping systems for hot and cold water installations—Part 1:General
GB/T 18742.2-2002
Replaced