Euronorm	Germany	UK	Italy	USA	France NFA 36-401
EN 10139	DIN 1624	BS 1449	Uni 5866	ASTM		%C	%Mn	%Si	%S	%P	%Al
DC04	St4	CS1	FEP04	SAE 1006		.03 – .06	.18 – .40	.02 max	.02 max	.02 max	.02 max
DC04/DC03	St4/RRSt3	CS1/CS3	FEP04	SAE 1006	ES	.04 – .08	.40 max	.03 max	.02 max	.02 max	.02 max
DC01	St2	CS4	FEP01	SAE 1010	C	.08 – .13	.30 – .40	.03 max	.03 max	.03 max	.03 max
–	–	–		SAE 1018		.14 – .17	.60 – .80	.15 – .25	.02 max	.025 max	.025 max

Mechanical Properties

 

EN 10139 : 1998 Mechanical                   Properties
Mechanical Properties
Period	Delivery	Symbol	Re	Rm	Elongation	Hardness HV
Guaranteed	Condition		N/mm2	N/mm2	% min A80
3 months	Annealed	A	–	270-390	28	105 max
	Skin passed	LC	280 max	270-410	28	115 max
	Work hardened	C290	200-380	290-430	18	95-125
		C340	250 min	340-490	–	105-155
		C390	310 min	390-540	–	117-172
		C440	360 min	440-590	–	135-185
		C490	420 min	490-640	–	155-200
		C590	520 min	590-740	–	185-225
		C690	630 min	690 min	–	215 min
6 months	Annealed	A	–	270-370	34	100 max
	Skin passed	LC	240 max	270-370	34	110 max
	Work hardened	C290	210-355	290-390	22	95-117	Temper rolled H1
		C340	240 min	340-440	–	105-130	Temper rolled H2
		C390	330 min	390-490	–	117-155
		C440	380 min	440-540	–	135-172	Temper rolled H3
		C490	440 min	490-590	–	155-185
		C590	540 min	590 min	–	185 min