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din7989 steel flat washer

Item No. BF015

DIN 7989 Metric Washer for steel constructions
规格 Size	内径 d		外径 D		厚度 t
	Min	Max	Max	Min	Basic	Max	Min
10	11	11.7	21	19.7	8	9	7
12	14	14.7	24	22.7	8	9	7
14	16	16.7	28	26.7	8	9	7
16	18	18.7	30	28.7	8	9	7
18	20	20.7	34	32.7	8	9	7
20	22	22.84	37	35.4	8	9	7
22	24	24.84	39	37.4	8	9	7
24	26	26.84	44	42.4	8	9	7
27	30	30.84	50	48.4	8	9	7
30	33	33.84	56	54.4	8	9	7
33	36	36.84	60	58.4	8	9	7
36	39	39.84	66	62.4	8	9	7
Productions of Washer for steel constructions DIN 7989
Material	材料	Finished			表面处理	Hardness
Carbon Steel Q235;#45;#50;65Mn	碳钢	Plain/Self Colour (S/C)			本色	HV100
		Zinc Plated (ZP)			蓝白锌	HV100
		Zinc Yellow (YZP)			五彩锌	HV140
		Zinc CR3+			环保锌	HV140
		Black Oxide (Black)			发黑	HV200
		Hot Dip Galvanized (HDG)			热镀锌	HV200
		Nickel			镀镍	HV300
		Phosphated			磷化处理	HV300
		Dacrome			达克罗	HRC32~45
		Mechanical Galvanized			机械镀锌	HRC32~45
Stainless Steel SS316;SS304	不锈钢	Polished			抛光
Bronze	磷铜	polished			抛光
Copper	紫铜	Polished			抛光
Brass	黄铜	Polished			抛光
Aluminum	铝	Polished			抛光
Fibre	红钢纸	No Finished			抛光
Descriptions	描述				无要求
Applications	应用

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