Z7CN18-09

Z7CN18-09 Stainless Steels to NF A 35-573

Z7CN18-09 - Specification & Application

• NF A 35-573 - Stainless steels for general purposes. Plates, wide strips and strips
• NF A 35-574 - Iron and steel. Stainless steel for general purposes. Semi- finished products, bars and wire rod
• NF A 36-209 - Iron and steel. Austenitic and austenic-ferritic stainless steels plates for boilers and pressure vessels
• NF A 49-244 - Steel tubes - Welded austenitic stainless and austenitic ferritic steel rolled tubes for pressure service - Dimensions, technical conditions for delivery

Steel tubes - Welded austenitic stainless and austenitic ferritic steel rolled tubes for pressure service - Dimensions, technical conditions for delivery

Chemical composition(wt.%) of Z7CN18-09 grade: to NF A 35-573

Z7CN18-09 - Detail

Steel tubes - Welded austenitic stainless and austenitic ferritic steel rolled tubes for pressure service - Dimensions, technical conditions for delivery

Mechanical properties of grade Z7CN18-09 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)
488 (≥)	561 (≥)	23	33	32	Solution and Aging, Annealing, Ausaging, Q+T,etc	313

Physical properties of grade Z7CN18-09 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
571 (≥)	999 (≥)	14	42	41	Solution and Aging, Annealing, Ausaging, Q+T,etc	312
Temp. °C/°F	Creep strain limit (10000h) (Rp1,0) N/mm2	Creep rupture strength (10000h) (Rp1,0) N/mm2
997	548	242