Compare / 1.4162 vs 1.4462

1.4162 vs 1.4462

EN 10088-2/-3/-4/-5 · Stainless steel

Lean duplex: twice the proof strength of 304 (450 MPa plate) with little nickel.

EN 10088-2/-3/-4/-5 · Stainless steel

Duplex 2205: fy 460 MPa plate, corrosion resistance class IV for marine and chloride exposure.

Mechanical

Property	Condition	1.4162	1.4462	Difference
0.2 % proof strength Rp0.2	t = 6.4 mm · cold rolled strip	≥ 530MPa1	≥ 500MPa1	−5.7 %
	t = 10 mm · hot rolled strip	≥ 480MPa1	≥ 460MPa1	−4.2 %
	t = 75 mm · hot rolled plate	≥ 450MPa2	≥ 460MPa2	+2.2 %
	t = 160 mm · bars, rods and sections	≥ 450MPa1	≥ 450MPa1	same
Tensile strength Rm	t = 6.4 mm · cold rolled strip	≥ 700MPa1	≥ 700MPa1	same
	t = 10 mm · hot rolled strip	≥ 680MPa1	≥ 700MPa1	+2.9 %
	t = 75 mm · hot rolled plate	≥ 650MPa2	≥ 640MPa2	−1.5 %
	t = 160 mm · bars, rods and sections	≥ 650MPa1	≥ 650MPa1	same
Elongation after fracture A	t = 75 mm · hot rolled plate	≥ 30%1	≥ 25%1	−17 %
Modulus of elasticity E	—	200 000MPa1	200 000MPa1	same
Shear modulus G	—	76 900MPa1	76 900MPa1	same
Poisson's ratio ν	—	0.31	0.31	same

Design values

Property	Condition	1.4162	1.4462	Difference
Partial factor for the material γM	cross-sections, γM0	1.11	1.11	same
	member instability, γM1	1.11	1.11	same
	tension to fracture, bolts, welds, γM2	1.251	1.251	same

Physical

Property	Condition	1.4162	1.4462	Difference
Density ρ	—	7 700kg/m³1	7 800kg/m³1	+1.3 %

Thermal

Property	Condition	1.4162	1.4462	Difference
Coefficient of thermal expansion α	20–100 °C	13×10⁻⁶ /K1	13×10⁻⁶ /K1	same
Specific heat capacity cp	at +20 °C	500J/(kg·K)1	500J/(kg·K)1	same
Thermal conductivity λ	at +20 °C	15W/(m·K)1	15W/(m·K)1	same

Chemical and durability

Property	Condition	1.4162	1.4462	Difference
Corrosion resistance class CRC	—	III1	IV1

Fire

Property	Condition	1.4162	1.4462	Difference
0.2 % proof strength reduction factor in fire kp0.2,θ	at +20 °C	11	11	same
	at +100 °C	0.821	0.821	same
	at +200 °C	0.71	0.71	same
	at +300 °C	0.651	0.651	same
	at +400 °C	0.61	0.61	same
	at +500 °C	0.531	0.531	same
	at +600 °C	0.421	0.421	same
	at +700 °C	0.271	0.271	same
	at +800 °C	0.151	0.151	same
	at +900 °C	0.071	0.071	same
	at +1000 °C	0.011	0.011	same
Elastic modulus reduction factor kE,θ	at +20 °C	11	11	same
	at +100 °C	0.961	0.961	same
	at +200 °C	0.921	0.921	same
	at +300 °C	0.881	0.881	same
	at +400 °C	0.841	0.841	same
	at +500 °C	0.81	0.81	same
	at +600 °C	0.761	0.761	same
	at +700 °C	0.711	0.711	same
	at +800 °C	0.631	0.631	same
	at +900 °C	0.451	0.451	same
	at +1000 °C	0.21	0.21	same
Ultimate strength reduction factor ku,θ	at +20 °C	11	11	same
	at +100 °C	0.961	0.961	same
	at +200 °C	0.911	0.911	same
	at +300 °C	0.881	0.881	same
	at +400 °C	0.821	0.821	same
	at +500 °C	0.711	0.711	same
	at +600 °C	0.561	0.561	same
	at +700 °C	0.381	0.381	same
	at +800 °C	0.221	0.221	same
	at +900 °C	0.141	0.141	same
	at +1000 °C	0.061	0.061	same

Rows are matched by condition (thickness band, temperature, product form). A dash means the grade has no sourced value for that condition. Differences are 1.4462 relative to 1.4162; for ranges the lower bound is compared.