XM-16 S45500 - ASTM A693-2024

Grade	XM-16
USA UNS	S45500
Corresponding Standard	ASTM A693-2024 Precipitation-Hardening Stainless and Heat-Resisting Steel Plate, Sheet, and Strip
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	-	0.8	0.1
Maximum Value	0.05	0.5	0.5	0.04	0.03	12.5	9.5	2.5	0.5	1.4	0.5

XM-16 Mechanical Properties

Thickness t mm	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Hardness HBW
0.25 and graater	Solid Solution Treatment	≤1205	≤1105	≥3	HRC ≤36
t≤0.51	Precipitation Hardening, 510℃	≥1525	≥1410	/	HRC ≥44
0.51＜t≤1.57	Precipitation Hardening, 510℃	≥1525	≥1410	≥3	HRC ≥44
t＞1.57	Precipitation Hardening, 510℃	≥1525	≥1410	≥4	HRC ≥44

Note：Reduction of Area：Applicable to tests in the long transverse direction. Transverse to the direction of rolling and parallel to the product surface.
Note：Impact test is not required unless specified on the purchase order.

Approximate Comparison Table Precipitation Hardening Heat-Resistant Steel

China		United States
GB	ISC	ASTM	UNS
022Cr12Ni9Cu2NbTi GB/T 20878-2024	S51290	XM-16 ASTM A959	S45500

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

1	ASTM A959-2004
	XM-16 S45500
2	ASTM A564/A564M-2019(a)
	XM-16 S45500
3	ASTM A313/A313M-2018
	XM-16 S45500
4	ASTM A693-2013
	XM-16 S45500
5	ASTM F899-2020
	XM-16 S45500
6	ASTM A959-2019
	XM-16 S45500
7	ASTM A705/A705M-2023
	XM-16 S45500
8	ASTM A313/A313M-2018(R2025)
	XM-16 S45500
9	ASTM A693-2024
	XM-16 S45500

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