Otai O2 steel material
O2. Material for cold-forming and blanking dies, drawing punches, bushings and gauges. Carbon composition: 0.85–0.95 %; Manganese composition: 1.40–1.80 %.
Specifications
| Attribute | Value | Conditions | Source |
|---|---|---|---|
| Carbon composition | 0.85–0.95 % | Supplier published chemical-composition percentage; exact O2 table, percentage basis not separately stated; not a batch assay or mill certificate | Otai O2 original grade composition and application page |
| Manganese composition | 1.40–1.80 % | Supplier published chemical-composition percentage; exact O2 table, percentage basis not separately stated; not a batch assay or mill certificate | Otai O2 original grade composition and application page |
| Chromium composition | ≤0.50 % | Supplier published chemical-composition percentage; exact O2 table, percentage basis not separately stated; not a batch assay or mill certificate | Otai O2 original grade composition and application page |
| Molybdenum composition | ≤0.30 % | Supplier published chemical-composition percentage; exact O2 table, percentage basis not separately stated; not a batch assay or mill certificate | Otai O2 original grade composition and application page |
Sources and updates
Scope of this page: One named steel grade offering; AISI/DIN/JIS aliases, round/flat/plate stock, dimensions, surface finish and heat-treatment options are not extra products. Chemical composition is a supplier reference, not independently assayed or a guarantee of conformance to an unreviewed standard edition. No generic heat-treatment recipe, unconditioned hardness, service-temperature limit or safety approval adopted. The supplier is identified without claiming original trademark ownership or an endorsed distribution relationship.
Otai O2 original grade composition and application page
Original publication · Otai
Source accessed: 27 October 2026
Content updated 27 October 2026. Source dates describe the documents or the recorded access to them.
How information is documented