Cr06 T20310 - GB /T 1299-2025

Cr06 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Cu	More
Minimum Value	1.3	-	-	-	-	0.5	-	Cu+Ni≤0.55
Maximum Value	1.45	0.4	0.4	0.03	0.025	0.7	0.25	Cu+Ni≤0.55

Cr06 Mechanical Properties

condition	Heat Treatment or Condition	Hardness HBW
Delivery condition	Annealing	187~241
Specimen	Quenching at 780-810°C, water cooling	HRC: ≥64

New and Old Grade Replacement List

Approximate Comparison Table Alloy Tool Steel

Cr06 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"!