Mechanical Properties - Rasnidhi Kumar & Bros

Specification	Grade	Yield Strength MPa min	Ultimate Tensile Strength MPa min	Elongation %(Up to Above 3 mm 3 mm)	Internal diameter of bend
IS: 10748/1995	I	170	290	30	T
	II	210	330	28	2T
	III	240	410	25	2T
	IV	275	430	20	3T
	V	310	490	15	3T HRB
SAIL WTCR				35	65 max Hardness
SAIL SOFT				38	55 HRB max

IS: 1079 (Sixth Revision)

Quality Designation	Quality Old Designation	Quality Name	Tensile Strength Rm2 max MPa	Percentage Elongation after Fracture A3,4 min .t<3: Gauge length Lo=80 mm	Percentage Elongation after Fracture A3, 4 min.t<3: Gauge length Lo=50 mm	Percentage Elongation after Fracture A3,4 min.t<3: Gauge length Lo=5.65 mm	Percentage Elongation after Fracture A3,4 min.t<3: Gauge length Lo=50 mm
HR0	(New)	Ordinary	*	*	*	*	*
HR1	O	Commercial	440	23	24	28	29
HR2	D	Drawing	420	25	26	30	31
HR3	DD	Deep Drawing	400	28	29	33	34
HR4	EDD	Extra Deep Drawing	380	31	32	36	37
HR6	SAILFORM 34	YST 340	400-500	*	*	26	27
	SAILFORM 38	YST 380	450-570	*	*	24	25
	SAILFORM 45	YST 450	500-620	*	*	20	21

Specification	Grade	Yield Strength MPa min	Ultimate Tensile Strength MPa min	Elongation %(Up to 3 mm Above 3 mm)
SAIL DRAW
SAIL RIM
SAE 1012
SAIL PROP	SAE 1020	310-320	440	15
SAIL PRE FAB	SAE 1020 spl.	345 min	450 min	21

Grade Designation	Quality	Tensile Strength Rm Min Mpa	Yield Stress Min Mpa<20	Yield Stress Min Mpa 20	Yield Stress Min Mpa -40	Percentage Elongation A at Gauge Length L=5.65 VS Min >40	Internal Bend Diameter Min (See Note 2) <25	Internal Bend Diameter Min (See Note 2)>25	Charpy Impact Test(See Note 3 & 4) Temp	Charpy Impact Test(See Note 3 & 4) Min
-1	-2	-3	-4	-5	-6	-7	-8	-9	-10	-11
E-250	A	410	250	240	230	23	2t	3t	–	–
E-250	BR	410	250	240	230	23	2t	3t	RT	27
E-250	BO	410	250	240	230	23	2t	3t	0	27
E-250	C	410	250	240	230	23	2t	3t	(-)20	27
E-300	A	440	300	290	280	22	2t	–	–	–
E-300	BR	440	300	290	280	22	2t	–	RT	27
E-300	BO	440	300	290	280	22	2t	–	0	27
E-300	C	440	300	290	280	22	2t	–	(-)20	27
E-350	A	490	350	330	320	22	2t	–	–	–
E-350	BR	490	350	330	320	22	2t	–	RT	27
E-350	BO	490	350	330	320	22	2t	–	0	27
E-350	C	490	350	330	320	22	2t	–	(-)20	27
E-410	A	540	410	390	380	20	2t	–	–	–
E-410	BR	540	410	390	380	20	2t	–	RT	20
E-450	BO	570	450	430	420	20	2.5t	–	0	20
E-450	C	570	450	430	420	20	2.5t	–	(-)20	20
E-550	A	650	550	530	520	12	3.0t	–	–	–
E 600	A	730	600	580	570	12	3.5t	–	–	–
E 600	BR	730	600	580	570	12	3.5t	–	RT	15
E 650	A	780	650	630	620	12	4.0t	–	–	–
E 650	BR	780	650	630	620	12	4.0t	–	RT	15

Specification	Grade	Yield Strength MPa min	Ultimate Tensile Strength MPa	Elongation %(Up to 3 mm Above 3 mm)	Internal diameter of bend
Strapping Quality
SAE 1541
Medium Carbon	C 30	55% of UTS	500-600	21
	C 40		580-680	18
	C 50		660-780	13
Med Si Elec
IS 6240/12008		240	350-450	25	T
SAIL HS LPG	SG 255	255	400
JISG 3116	SG 295	295	450	26
SAIL HS LPG	P265NB	265	410-500	24
EN 10120	P310NB	310	460-550	28