09MnNiDR L28093 09MnNiD - GB 3531-2014

Grade	09MnNiDR
China ISC	L28093
Other Names
Corresponding Standard	GB 3531-2014 Steel Plates for Low Temperature Pressure Vessels
Classification	Alloy Steel
Properties	Good Machinability Carburizing Capability

09MnNiDR Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr ^①	Ni	Cu ^①	Mo ^①	Nb	Al ^②
Minimum Value	-	0.15	1.2	-	-	-	0.3	-	-	-	0.02
Maximum Value	0.12	0.5	1.6	0.02	0.008	0.25	0.8	0.25	0.08	0.04	-

09MnNiDR Mechanical Properties

thickness t mm	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Impact Energy Absorption KV2 J
6<t≤16	Normalizing or Normalizing + Tempering	440~570	≥300	≥23	* ≥60
16<t≤36	Normalizing or Normalizing + Tempering	430~560	≥280	≥23	≥60
36<t≤60	Normalizing or Normalizing + Tempering	430~560	≥270	≥23	≥60
60<t≤120	Normalizing or Normalizing + Tempering	420~550	≥260	≥23	≥60

Approximate Comparison Table Pressure-Bearing Flat Steel

09MnNiDR 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"!