Z17CNS20-12

Z17CNS20-12 Stainless Steels to NF A 35-573

Z17CNS20-12 - Specification & Application

• NF A 35-573 - Stainless steels for general purposes. Plates, wide strips and strips
• NF A 35-578 - Iron and steel. Stainless steel for high temperature application
• NF A 36-209 - Iron and steel. Austenitic and austenic-ferritic stainless steels plates for boilers and pressure vessels

Iron and steel. Austenitic and austenic-ferritic stainless steels plates for boilers and pressure vessels

Chemical composition(wt.%) of Z17CNS20-12 grade: to NF A 35-573

Z17CNS20-12 - Detail

Iron and steel. Austenitic and austenic-ferritic stainless steels plates for boilers and pressure vessels

Mechanical properties of grade Z17CNS20-12 NF A 35-573

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)
755 (≥)	316 (≥)	21	34	22	Solution and Aging, Annealing, Ausaging, Q+T,etc	241

Physical properties of grade Z17CNS20-12 NF A 35-573

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
147 (≥)	713 (≥)	32	44	33	Solution and Aging, Annealing, Ausaging, Q+T,etc	444
Temp. °C/°F	Creep strain limit (10000h) (Rp1,0) N/mm2	Creep rupture strength (10000h) (Rp1,0) N/mm2
238	913	232