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Shanghai Yaluo Precision Fastening Technology Co., Ltd.
上海亚螺精密紧固技术有限公司
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13 Years
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Stainless Steel Fasteners
Alloy Steel Fasteners
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Plug Screws
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(GB /T 9074.18 (S2) - 2002)
material
Austenitic stainless steel
grade, rigidity
grade 8.8
Coating
polishing
上海亚螺A4十字盘头自攻螺钉组合不锈钢在850~1050℃的温度范围内进行退火,然后迅速退火,然后迅速冷却。本产品不能通过热处理进行硬化。
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GB /T 9074.18 (S2) - 2017
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Q 220B
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SJ 2839 - 1987