20MoG A65208 - GB 5310-1995

Grade	20MoG
China ISC	A65208
Corresponding Standard	GB 5310-1995 Seamless Steel Tubes and Pipes for High Pressure Boiler
Classification	Alloy Steel

20MoG Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr ^①	Ni ^①	Cu ^①	Mo
Minimum Value	0.15	0.17	0.4	-	-	-	-	-	0.44
Maximum Value	0.25	0.37	0.8	0.03	0.03	0.3	0.3	0.2	0.65

• Steel produced by oxygen converter and secondary refining outside the furnace has a nitrogen content not exceeding 0.008%

20MoG Mechanical Properties

Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Impact Energy Absorption KV2 J
Normalizing	≥415	≥220	long. ≥22 tr. ≥20	long. ≥35 tr. ≥27

Approximate Comparison Table Seamless Steel Tubes and Pipes for High Pressure Boiler

20MoG Corresponding Standards(Same grade name, different standards)

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