5195
Data under review5195 is a high carbon chromium steel closely related to the bearing steel family, used where 1095-class hardness is needed with a little more hardenability from chromium. It appears in spring, blade and wear applications rather than mainstream bar programs.
Chemical composition
| Element | Content (%) |
|---|---|
| C | 0.90–1.03 |
| Si | 0.15–0.35 |
| Mn | 0.30–0.50 |
| P | ≤0.035 |
| S | ≤0.040 |
| Cr | 0.70–0.90 |
Weight percent, per the governing standard ranges. Actual values per heat are on the mill certificate.
Properties
| Hardness (hardened) | 58–63 HRC (typ.) |
| Density | 7.85 g/cm³ |
Heat treatment
Anneal 780–810 °C; quench 800–840 °C oil; temper 180–400 °C by duty.
Equivalent grades
| Standard | Designation |
|---|---|
| aisi | 5195 |
| jis | SUP9 family (near) |
Compare side by side: 5195 vs 52100
Equivalents overlap in chemistry and use but are not always identical — see our equivalents guide before substituting in certified designs.
Applications & Processing
Applications: Springs (heavy), blades, wear parts, valve components.
Processing: Anneal before machining; shallower hardening than 52100; avoid welding.
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Ask for a quotationVisit NasteelSource: SAE J404 published ranges · Last updated 2026-11-03. Data is indicative — verify critical values against the governing standard and mill certificate before use.