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303と303Seの違いは何ですか

2015-12-10View Original

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皆様、教えていただけますか。303と303Seという2種類のステンレス鋼にはどのような違いがあるのでしょうか?
Reply #22015-12-10
ステンレス鋼303および303Se:それぞれSとSeを含む切削性の良いステンレス鋼で、切削性が求められる場合や表面の滑らかさが重要な場面で使用されます。303Seステンレス鋼管は国際ステンレス鋼表示法に属します。
Reply #32015-12-10
303の化学組成:C:≤0.15%、Si:≤1.00%、Mn:≤2.00%、P:≤0.20%、S:≥0.15%、Cr:17.00~19.00%、Ni:8.00~10.00%。303Seの化学組成:C:≤0.15%、Si:≤1.00%、Mn:≤2.00%、P:≤0.20%、S:0.060%、Cr:17.00~19.00%、Ni:8.00~10.00%、Se:≥0.015%

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