XM-16 S45500 - ASTM A705/A705M-2023

Grade	XM-16
USA UNS	S45500
Corresponding Standard	ASTM A705/A705M-2023 Standard Specification for Age-Hardening Stainless Steel Forgings
Classification	Precipitation-Hardening Stainless Steel

XM-16 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	Ti	Nb
Minimum Value	-	-	-	-	-	11	7.5	1.5	-	0.9	0.1
Maximum Value	0.03	0.5	0.5	0.015	0.015	12.5	9.5	2.5	0.5	1.4	0.5

XM-16 Mechanical Properties

Thickness t mm	Mark	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %	Hardness HBW
		Solution Treatment: 830±15 °C（cool rapidly）					HRC:≤36 HB≤331
t≤150 (L)	H900	Hardening or Aging Treatment, 480 °C, 4h, air cool	≥1620	≥1520	≥8	≥30	HRC:≥47 HB≥444
t≤150 (L)	H950	Hardening or Aging Treatment, 510 °C, 4h, air cool	≥1520	≥1410	≥10	≥40	HRC:≥44 HB≥415
t≤150 (L)	H1000	Hardening or Aging Treatment, 540 °C, 4h, air cool	≥1410	≥1280	≥10	≥40	HRC:≥40 HB≥363

* （L）：Longitudinal；（T）：Transverse。

① Either Rockwell C hardness or Brinell is permissible. On sizes of 12.70 mm and smaller, Rockwell C is preferred.

Approximate Comparison Table Precipitation Hardening Heat-Resistant Steel

XM-16 Corresponding Standards(Same grade name, different standards)

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!