G10780 - SAE J403-2014 - H2ABC

中文版

USA UNS	G10780
SAE Steel Number	1078
Corresponding Standard	SAE J403-2014 Chemical compositions of SAE carbon steels
Brand/Supplier	Japan -> NSSC -> BAOSTEEL
Classification	Carbon Steel

Chemical Element Composition Content (%)

	Component	C	Mn	P	S
Flat Rolled Products（本标准）	Minimum Value	0.72	0.3	-	-
Flat Rolled Products（本标准）	Maximum Value	0.85	0.6	0.03	0.035

	Component	C	Mn	P	S
Long Products(本标准)	Minimum Value	0.72	0.3	-	-
Long Products(本标准)	Maximum Value	0.85	0.6	0.04	0.05

	Component	C	Mn	P
新日铁	Minimum Value	0.72	0.3	-
新日铁	Maximum Value	0.85	0.6	0.05

	Component	C	Si	Mn	P	S
宝钢	Minimum Value	0.72	0.15	0.3	-	-
宝钢	Maximum Value	0.86	0.3	0.6	0.015	0.025

Mechanical Properties

product form	Heat Treatment or Condition	Hardness HBW
Hot-rolled steel plate (Baosteel)	Hot Rolling	HV ≤360
Hot-rolled steel plate (Baosteel)	Annealing	HV ≤180
Hot-rolled steel plate (Baosteel)	Water quenching 760~850°C	HRC ≥60
Hot-rolled steel plate (Baosteel)	Oil quenching 790~880°C	HRC ≥58

Approximate Comparison Table

United States		Germany		France	European Standard		Russia	Sweden	United Kingdom
AISI	UNS	DIN EN/DIN	W-Nr.	NF EN/NF	EN	Numerical Grade	GOST	SS₁₄	BS EN/BS
1078	G10780	Ck75	1.1248	C75RR	C75S	1.1248	75A	1774	CS80

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