风电系列

风电设备专用紧固件

风电设备专用紧固件

应用范围
风电设备的固定和连接紧固使用,一般成套装配。
基本参数
● 材料:合金钢
● 规格:M24-M100(/1″-4″)
● 长度:20mm~1500mm
● 等级:
● 钢ISO898:8.8~12.9;J429 Gr.2-Gr.8
● 表面:发黑、镀锌、热镀锌、达克罗、特氟龙等
型式尺寸及标记示例
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参数表
Bolt specifications and reference standards
Material Steel
General requirements EN 14399-1
Thread Tolerance 6ga
International Standard ISO261,ISO 965-2
Mechanical properties Property class 10.9
European Standard EN ISO 898-1
Impact strength Value K vmin=27 j at-20℃
Test pieceb ISO 148
Test EN 10045-1
Tolerance Product grade C except:
dimensions c and r
Tolerance for lengths≥155mm: +IT 17
International Standard EN ISO 4759-1
Surface finishc normal as processedd
hot dip galvanized EN ISO 10684
others to be agreedd
Surface discontinuities Linits for surface discontinuities as specified in EN 26157-1.
Acceptability For acceptance procedure,see EN ISO 3267.