52100 - ASTM A 646/A646M-2024

Grade	52100
ASTM Specification or Grade	Grade 15
Corresponding Standard	ASTM A646/A646M-2024 Standard Specification for Premium Quality Alloy Steel Blooms and Billets for Aircraft and Aerospace Forgings
Classification	Alloy Steel

52100 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr
Minimum Value	0.98	0.2	0.25	-	-	1.3
Maximum Value	1.1	0.35	0.45	0.015	0.01	1.6

* If any of the following elements are not specified, the following maximum limits shall apply: Nickel 0.35 %; Chromium 0.20 %; Molybdenum 0.06 %; Copper 0.35 %

52100 Mechanical Properties

Heat Treatment or Condition	Hardness HBW
Annealing	≤302

Approximate Comparison Table Alloy Cold-Work Tool Steel

China	Japan	United States	Germany	France	European Standard		Russia	Sweden	United Kingdom
GB	JIS	ASTM	DIN EN/DIN	NF EN/NF	EN	Numerical Grade	GOST	SS	BS EN/BS
Cr2 GCr15	SUJ2	52100	100Cr6	100Cr6 100Cr6RR	102Cr6	1.2067	KH ShKh15	2258	534A99 535A99

52100 Corresponding Standards(Same grade name, different standards)

1	ASTM A29/A29M-2012
	52100
2	ASTM A295/A295M-2014
	52100
3	ASTM A29/A29M-2020
	52100
4	ASTM A646/A646M-2024
	52100 Grade 15

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