balcony guardrail,galvanized coating steel balcony guardrail
USD $100 - $100 /Piece
Min.Order:100 Pieces
Qingdao Fortune Victor Technology Co., Limited
Galvanized steel balcony guardrail:
Specifications
Galvanized Steel Balcony Guardrail
Steel with zinc iron plating and spraying plastics
No rust
Any color as you want
NO. | PERFORMED STANDARD | NAME OF RAW MATERIALS |
1 | GB700-88 | CARBON STRUCTURAL STEEL |
2 | GB704-88 | HOT ROLLED FLAT BAR |
3 | GB709-88 | HOT ROLLED STEEL SHEET |
4 | GB708-88 | COLD ROLLED STEEL SHEET |
5 | GB3280-92 | COLD ROLLED STAINLESS STEELSHEET |
ITME | DESCRIPTION | STANDARD REQUIREMENT | QUOTED TEST STANDARD |
GALVANIZED COATING | APPEARANCE | Accepted appearance shall be free from nodules, Blisters, roughness,sharp points and uncoated areas | ASTM A787-G90 GB/T 13912-2002 |
COATING THICKENSS | Accessories shall be up to 375 g/m2 (Average 26-30 μm), posts, horizontal rails shall be up to 275 g/m2 (Average 26-30 μm) | ||
POLYESTER POWDER COATING | APPERANCE |
Appearance shall be smooth and shiny, firmly adhered, basically neat, without obvious uneven,density impurity , no toughness feeling of hand touch, steel exposure ,burble, pin hole, obvious trace are not allowed.
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COATED THICKNESS | Bottom layer: 40μm~60μm ; Surface layer:40μm~60μm | GB/T 13452.2-92 | |
SPECULAR GLOSS | High gloss >85% 55%<Semi-gloss<75% Low gloss <30% | ASTM D523-1999 | |
IMPACT RESISTANCE | 50kg.cm | ASTM D2794-1999 | |
FLEXIBILITY | ≤3mm | ASTM D522-2011 | |
PENCIL HARDNESS | ≥2H | ASTM D3363-00 | |
ADHESION | Not less than grade 1 | ASTM DD3359-97 | |
SALT SPARY RESISTANCE | 3500 hours ,Grade 1 | ASTM B117-97 | |
HUMIDITY RESISTANCE | 3500 hours ,Grade 1 | ASTM D2247-99 | |
WEATHERING RESISTANCE | 1000 hours ;Gloss loss :Grade 1;Discoloring :Grade 1 | GB/T 1865-1997 |