30CrNiV9 1.7707 - DIN 17204-1990 - H2ABC

中文版

Grade	30CrNiV9
Germany W-Nr.	1.7707
Corresponding Standard	DIN 17204-1990 Seamless Circular Tubes Made from Steels for Quenching and Tempering Technical Delivery Conditions
Classification	Alloy Steel

30CrNiV9 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Mo	V
Minimum Value	0.26	-	0.4	-	-	2.3	0.15	0.1
Maximum Value	0.34	0.4	0.7	0.035	0.035	2.7	0.25	0.2

30CrNiV9 Mechanical Properties

condition	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %	Hardness HBW	Impact Energy Absorption KV2 J
Hot drawn, cold drawn pipes	Annealing					≤248
Pipes t≤8	Quenching + Tempering (V)	1250~1450	≥1050	≥9(long.)；≥7tr.)	≥35
Pipes; 8< t≤20	Quenching + Tempering (V)	1250~1450	≥1050	≥9(long.)；≥7(tr.)	≥35		* ≥25
Pipes; 20< t≤50	Quenching + Tempering (V)	1100~1300	≥900	≥10(long.)；≥8(tr.)	≥40		≥30
Pipe; 50<t≤80	Quenching + Tempering (V)	1000~1200	≥800	≥11(long.)；≥9(tr.)	≥45		≥35

Approximate Comparison Table Structural Alloy Steel

China	Germany		European Standard
GB	DIN EN/DIN	W-Nr.	EN	Numerical Grade
30Cr2MoV	30CrMoV9	1.7707	30CrMoV9	1.7707

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