0.09C 17.0Ni-0.4Mo Low Alloy Steel

metal

A high-nickel low-alloy steel containing approximately 17% nickel with modest molybdenum and titanium additions, designed to achieve a combination of high strength and controlled toughness. This composition targets applications requiring excellent low-temperature impact resistance and fatigue performance, with the nickel content providing solid-solution strengthening and improved fracture toughness compared to conventional low-alloy steels. The material is typically used in critical structural and mechanical components where both strength and reliability at sub-zero temperatures are essential, making it particularly valuable in aerospace, defense, and extreme-service-environment industries where failure is not an option.

low-temperature structural componentsaerospace landing gear and fastenerscryogenic pressure vesselsdefense ordnance and missile casingssubsea pipelines and risersfatigue-critical forgings

Compliance & Regulations

?ISO 10993?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Property OverviewNormalized to typical max values

Property	Value	Unit	Conditions
Elongation at Break(εf)	10.00	-	—
Ultimate Tensile Strength(σUTS)	1.854	GPa	—
Yield Strength (0.2% offset)(σy)	1.730	GPa	—

Verified Unverified Low confidence (<80%) Link to source

Regulatory Screening

Environmental

Safety & Biocompatibility

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.