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風(fēng)電系列

風(fēng)電設(shè)備專用緊固件

風(fēng)電設(shè)備專用緊固件

應(yīng)用范圍
風(fēng)電設(shè)備的固定和連接緊固使用,一般成套裝配。
基本參數(shù)
● 材料:合金鋼
● 規(guī)格:M24-M100(/1″-4″)
● 長度:20mm~1500mm
● 等級:
● 鋼ISO898:8.8~12.9;J429 Gr.2-Gr.8
● 表面:發(fā)黑、鍍鋅、熱鍍鋅、達(dá)克羅、特氟龍等
型式尺寸及標(biāo)記示例
2.jpg
參數(shù)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.