C78D

C78D Structural Steel to EN 10016-2 (1994)

C78D - Specification & Application

• EN 10016-2 (1994) - Non-alloy steel rod for drawing and/or cold rolling - Part 2: Specific requirements for general purposes rod
• EN ISO 16120-2 (2011) - Non-alloy steel wire rod for conversion to wire - Part 2: Specific requirements for general-purpose wire rod

Non-alloy steel wire rod for conversion to wire - Part 2: Specific requirements for general-purpose wire rod

Chemical composition(wt.%) of C78D grade: to EN 10016-2 (1994)

C78D - Detail

Non-alloy steel wire rod for conversion to wire - Part 2: Specific requirements for general-purpose wire rod

Mechanical properties of grade C78D EN 10016-2 (1994)

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)
234 (≥)	147 (≥)	22	44	13	Solution and Aging, Annealing, Ausaging, Q+T,etc	113

Physical properties of grade C78D EN 10016-2 (1994)

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
797 (≥)	412 (≥)	41	42	21	Solution and Aging, Annealing, Ausaging, Q+T,etc	334
Temp. °C/°F	Creep strain limit (10000h) (Rp1,0) N/mm2	Creep rupture strength (10000h) (Rp1,0) N/mm2
267	779	761