13Cr Martensitic Stainless (var. 19)
metal13Cr martensitic stainless steel (variant 19) is a high-carbon, molybdenum-strengthened stainless alloy designed to achieve exceptional hardness and wear resistance through heat treatment and martensitic transformation. This material is used in demanding applications where corrosion resistance must be combined with extreme hardness—primarily in valve components, pump shafts, and precision cutting tools operating in mildly corrosive or high-wear environments. Engineers select this variant over softer austenitic stainless grades when abrasion, erosion, or galling resistance is critical, though the trade-off is lower ductility and impact toughness, making design and heat-treat control essential.
valve stems and seatspump shafts and impellersprecision cutting toolsball bearing racescorrosion-resistant wear surfaceshigh-hardness fasteners
Compliance & Regulations
?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Elongation at Break(εf) | — | - | — | — | |
Ultimate Tensile Strength(σUTS) | — | ksi | — | — | |
Yield Strength (0.2% offset)(σy) | — | ksi | — | — |
Verified Unverified Low confidence (<80%) Link to source
Regulatory Screening
Environmental
Quality & Standards
Industry-Specific
RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.