3310 - ASTM A 646/A646M-2024

Grade	3310
ASTM Specification or Grade	Grade 1
Corresponding Standard	ASTM A646/A646M-2024 Standard Specification for Premium Quality Alloy Steel Blooms and Billets for Aircraft and Aerospace Forgings
Classification	Alloy Steel

3310 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni
Minimum Value	0.08	0.2	0.45	-	-	1.4	3.25
Maximum Value	0.13	0.35	0.6	0.015	0.012	1.75	3.75

* 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 %

3310 Mechanical Properties

Heat Treatment or Condition	Hardness HBW
Annealing	≤262

Approximate Comparison Table Processing Titanium and Titanium Alloys

China	Japan	United States		International Organization for Standardization	Germany		France	Russia
GB	JIS	ASTM	UNS	ISO	DIN EN/DIN	W-Nr.	NF EN/NF	GOST
TA1	Class 2 Ti≥99.49	Grade 1	R50250	Grade 1(Ti≥99.53)	Ti2(Ti≥99.50)	3.7035	T-40(Ti≥99.54)	ВТ1-00(Ti99.57)

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