Z6CNDNb18-12M

Z6CNDNb18-12M Stainless Steels to NF A 32-056

Z6CNDNb18-12M - Specification & Application

• NF A 32-056 - Foundry products. Austenitic and austeno-ferritic stainless cast steel
• NF A 32-055 - Foundry products. Weldable cast steels for pressure vessels
• NF A 32-060 - Foundry products - Cast steel and nickel alloy castings for pumps, valves and fittings (enclosures and internal components)

Foundry products - Cast steel and nickel alloy castings for pumps, valves and fittings (enclosures and internal components)

Chemical composition(wt.%) of Z6CNDNb18-12M grade: to NF A 32-056

Z6CNDNb18-12M - Detail

Foundry products - Cast steel and nickel alloy castings for pumps, valves and fittings (enclosures and internal components)

Mechanical properties of grade Z6CNDNb18-12M NF A 32-056

Proof strength Rp0.2 (MPa)	Tensile strength Rm (MPa)	Impact energy KV (J)	Elongation at fracture A (%)	Reduction in cross section on fracture Z (%)	As-Heat-Treated Condition	Brinell hardness (HBW)
749 (≥)	871 (≥)	22	43	34	Solution and Aging, Annealing, Ausaging, Q+T,etc	211

Physical properties of grade Z6CNDNb18-12M NF A 32-056

Property	Density kg/dm3	Temperature T °C/F	Specific heat J / kgK	Thermal conductivity W/mK	Electric resistance µΩ·cm	Modulus of elasticity kN/mm2	Expansion rate
657 (≥)	456 (≥)	44	23	22	Solution and Aging, Annealing, Ausaging, Q+T,etc	143
Temp. °C/°F	Creep strain limit (10000h) (Rp1,0) N/mm2	Creep rupture strength (10000h) (Rp1,0) N/mm2
568	622	848