Ductile iron manhole cover

详情

Ductile iron manhole cover: 1.Size:dia**0mm******0mm (can follow your details drawing) 2.Application:municipal engineering, telecom, cable, petroleum, chemical industry 3.Load ability:A*5, B**5, C**0, D**0 *****:high shock resistance and tensile strength, good welding properties 5.Standard:ASTM/DIN/EN/BS/JIS/ISO *****:as your requirement 7.Specification Details:(round casting manhole covers) (1).size(mm) Approx weight (kg) Φ**0 *0 Φ**0 *1 Φ**0 **1 Φ**0 **5 (2).Load Ability: ********0 For gully tops installed in the area of kerbside channels of roads which when measured form the kerb edge, extend a maximum of 0.5m into carriageway and a maximum 0.2m into the footway. b.D***0 Carriageways of roads(including pedestrian streets), hard shoulders and parking areas, for all types of road vehicles. (3).Surface Treament:Black bitumen coated and hot gavanized. smooth surface and anti-theft. (4).Other Types:every type is ok, we respect our clients\&#**9; choice. (5).other requirements:we produce the manhole covers according to clients\&#**9; requirements ***** item standard (1).Anti-breaking strength (Mpa) >*4 (2).Impact toughness resistance (kg/cm2) *5 (3).tensile strength (Mpa) >*0 (4).compressive strength (Mpa) >*0 (5).Modulus of elasticity (kg/cm2) >1.4***4 (6).Cold-hot resistance measure <0.4 (7).Water-absorption (%) <1.0