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JLHSteel Editorial

Aug 23, 2026

Tech & Grades

1.0639 — alloy Steel: Composition, Properties & Applications

Also known as: 1.0639 EN/DIN steel grade 1.0639 CHEMICAL COMPOSITION C:0.05-0.70;Si:0.10-0.50;Mn:0.30-1.60;P:≤0.045;S:≤

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JLHSteel Editorial

Aug 23, 2026

Tech & Grades

1.0640 — alloy Steel: Composition, Properties & Applications

Also known as: 1.0640 DIN structural / engineering steel grade 1.0640. CHEMICAL COMPOSITION C:0.10-0.20;Si:0.15-0.40;Mn

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JLHSteel Editorial

Aug 23, 2026

Tech & Grades

1.0641 — alloy Steel: Composition, Properties & Applications

Also known as: 1.0641 DIN structural / engineering steel grade 1.0641. CHEMICAL COMPOSITION C:0.10-0.20;Si:0.15-0.40;Mn

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J

JLHSteel Editorial

Aug 23, 2026

Tech & Grades

1.0642 — alloy Steel: Composition, Properties & Applications

Also known as: 1.0642 EN/DIN steel grade 1.0642 CHEMICAL COMPOSITION C:0.05-0.70;Si:0.10-0.50;Mn:0.30-1.60;P:≤0.045;S:≤

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J

JLHSteel Editorial

Aug 23, 2026

Tech & Grades

1.0643 — alloy Steel: Composition, Properties & Applications

Also known as: 1.0643 DIN structural / engineering steel grade 1.0643. CHEMICAL COMPOSITION C:0.10-0.20;Si:0.15-0.40;Mn

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JLHSteel Editorial

Aug 23, 2026

Tech & Grades

1.0644 — alloy Steel: Composition, Properties & Applications

Also known as: 1.0644 DIN structural / engineering steel grade 1.0644. CHEMICAL COMPOSITION C:0.10-0.20;Si:0.15-0.40;Mn

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J

JLHSteel Editorial

Aug 23, 2026

Tech & Grades

1.0645 — alloy Steel: Composition, Properties & Applications

Also known as: 1.0645 DIN structural / engineering steel grade 1.0645. CHEMICAL COMPOSITION C:0.10-0.20;Si:0.15-0.40;Mn

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JLHSteel Editorial

Aug 23, 2026

Tech & Grades

1.0646 — alloy Steel: Composition, Properties & Applications

Also known as: 1.0646 DIN structural / engineering steel grade 1.0646. CHEMICAL COMPOSITION C:0.10-0.20;Si:0.15-0.40;Mn

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JLHSteel Editorial

Aug 23, 2026

Tech & Grades

1.0647 — alloy Steel: Composition, Properties & Applications

Also known as: 1.0647 EN/DIN steel grade 1.0647 CHEMICAL COMPOSITION C:0.05-0.70;Si:0.10-0.50;Mn:0.30-1.60;P:≤0.045;S:≤

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JLHSteel Editorial

Aug 23, 2026

Tech & Grades

1.0648 — alloy Steel: Composition, Properties & Applications

Also known as: 1.0648 EN/DIN steel grade 1.0648 CHEMICAL COMPOSITION C:0.05-0.70;Si:0.10-0.50;Mn:0.30-1.60;P:≤0.045;S:≤

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JLHSteel Editorial

Aug 23, 2026

Tech & Grades

1.0649 — alloy Steel: Composition, Properties & Applications

Also known as: 1.0649 EN/DIN steel grade 1.0649 CHEMICAL COMPOSITION C:0.05-0.70;Si:0.10-0.50;Mn:0.30-1.60;P:≤0.045;S:≤

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J

JLHSteel Editorial

Aug 23, 2026

Tech & Grades

1.0650 — alloy Steel: Composition, Properties & Applications

Also known as: 1.0650 DIN structural / engineering steel grade 1.0650. CHEMICAL COMPOSITION C:0.10-0.20;Si:0.15-0.40;Mn

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