82问答网 > 金属缠绕垫片D2222材质是指什么

金属缠绕垫片D2222材质是指什么

2025-03-15 22:06:27
推荐回答（2个）
回答1：

D代表带内外环型金属缠绕垫片，2222依次是：2外环304不锈钢，2是304不锈钢钢带，2是柔性石墨填充带，2是304不锈钢内环。

回答2：

D是内外环的意思。
2222代表垫片、环子材质。
D2222代表不锈钢304内外环石墨金属缠绕垫
解释参考：GB/T4622

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