JONAN STEEL MILL Corporation:::PRODUCT

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	Our company's products, supported by our trustworthy technological power, have established our position as a reliable brand.


	Our goal is to manufacture excellent products day and night under a strict quality control system. We accept oversea's standard.


	This shows packing of our products. This is an example.

	Chemical composition (%)

Standards	C	Si	Mn	P	S	Cu	N	Ceq
BS:B500B (2005)	0.22 (0.24)	―	―	0.05 (0.055)	0.05 (0.055)	0.80 (0.85)	0.012 (0.014)	0.50 (0.52)

BS:460B (1997)	0.25 (0.27)	―	―	0.050 (0.055)	0.050 (0.055)	―	0.012 (0.013)	0.51 (0.54)

Ceq = C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15

	Mechanical properties (min)

	Yield point	Tensile/ Yield point ratio	Elongation	Elongation (at the time of the maximum stress)
BS:B500B(2005)	500Mpa (650 max.)	1.08	―	5.0%

BS:460B (1997)	460N/mm2	1.08	14%	5.0%

	Bending test (BS:B500B(2005))

	BS:B500B(2005)
Nominal diameter (mm)	16min.

Mandrel diameter	4d

	Bending test (BS:460B(1997))

	BS:460B(1997)
Nominal diameter (mm)	16min.

Mandrel diameter	3d

	Nominal section area/Unit mass/Tolerance

BS:B500B(2005)				BS:460B(1997)
Nominal diameter (mm)	Nominal section area	Unit mass (Kg/m)	Tolerance	Nominal section area	Unit mass (Kg/m)	Tolerance
10	78.5mm	0.617	±4.5%	78.5mm	0.616	±6.5%

12	113mm	0.888	±4.5%	113.1mm	0.888	±4.5%

16	201mm	1.58	±4.5%	201.1mm	1.579

	Tolerances on length


BS:B500B(2005)	－0～+100mm

BS:460B(1997)	±25mm

Copyright(c)2005 JONAN STEEL CORPORATION. All Rights Reserved.