XM-16 precipitation hardening stainless steel S45500, Cistom455

XM-16 (S45500, Cistom455) precipitation hardening stainless steel overview:

Generally used in the quenched and tempered state, used to manufacture high-pressure pipes and various fasteners that work in non-corrosive media and media with a working temperature below 250 ° C and nitrogen-hydrogen mixtures. Carbon parts such as gears, shafts, etc.

 

XM-16 (S45500, Cistom455) precipitation hardening stainless steel chemical composition:

C	Si	Mn	P	S	Cr
≤0.05	≤0.50	≤0.50	≤0.040	≤0.030	11.00 12.50
Ni	Ti	Al	Mo	Cu	Nb+Ta
7.50 9.50	0.80 1.40	≤0.10	≤0.50	1.50 2.50	0.10 0.50

 

XM-16 (S45500, Cistom455) precipitation hardening stainless steel mechanical properties:

Tensile strength σb MPa: ≥885

Yield strength σs MPa: ≥685

Elongation δ5%: ≥12

Section shrinkage ψ%: ≥50

Impact work Akv J: ≥78

Impact toughness value αkv J / cm2: ≥98

Hardness: ≤197HB

 

XM-16 (S45500, Cistom455) precipitation hardening stainless steel characteristics and applications:

High hardenability, no tempering brittleness, good weldability, low tendency to form cold cracks, good machinability and cold strain plasticity.