Round steel for tooling

Name	Brand	Specifications	Executive standard	Chemical composition analysis (melting composition)%						Performance characteristics	Purpose
Name	Brand	Specifications	Executive standard	C	Si	Mn	P ≤	S ≤	Cr	Performance characteristics	Purpose
Round steel for tooling	T7	Φ18~65	GB/T1299	0.65-0.74	≤0.35	≤0.40	0.030	0.030		Meet the requirements of relevant organizations and performance of national standards	Cutting, cutting tools, such as file, turning tool, tap, etc
	T8	Φ18~65		0.75-0.84	≤0.35	≤0.40	0.030	0.030
	T9	Φ18~65		0.85-0.94	≤0.35	≤0.40	0.030	0.030
	T10	Φ18~65		0.95-1.04	≤0.35	≤0.40	0.030	0.030
	T11	Φ18~65		1.05-1.14	≤0.35	≤0.40	0.030	0.030
	T12	Φ18~65		1.15-1.24	≤0.35	≤0.40	0.030	0.030
	T13	Φ18~65		1.25-1.35	≤0.35	≤0.40	0.030	0.030
	9SiCr	Φ18~65		0.85-0.95	1.20-1.60	0.30-0.60	0.030	0.030	0.95-1.25	The hardness, wear resistance and hardenability are good, and the structure and properties meet the standard requirements.	Cutting tools, drawing dies, cold forging tools, measuring tools, etc
	Cr2	Φ18~65		0.95-1.10	≤0.40	≤0.40	0.030	0.030	0.10-0.30