B.S. 303S31

2014-03-03 17:24:40 Print this page

The high quality UK B.S. 303S31 material is one of the more steel grades we supply, B.S. BS 1554, B.S. BS 6258, B.S. BS 970-1, B.S. BS 970-3,Specification for wrought steels for mechanical and allied engineering purposes. Bright bars for general engineering purposes. 303S31 is our main production grade, which has been approved by customers in many countries since its initial production, including our 303S31 round bars, flat bar, forgings, fasteners, tubes, wires, strips, sheets & Plates, as well as a variety of profiles, professional high precision auto-lathe processing manufacturer of clinching fasteners, axes, standoffs, screws, studs, nuts, bolt, OEM parts and special shaped turning partsthe state of delivery includes quenched and tempered, annealed, machined semi-finished products, we also have strict management of the packaging, to avoid material damage from transportation. We are the best supplier of 303S31 materials, and we are willing to develop together with customers from all over the world.

Also includes 303S31 steel material norm, chemical composition, mechanical properties, datasheet, 303S31 equivalent, heat treatment and temperature process of 303S31, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in 303S31 this steel grade have a more comprehensive understanding, Download the full 303S31 PDF version of this datasheet.

Chemical composition (wt.%) of 303S31

Elements	Min.（≥）	Max.（≤）
C	-	0.12
Si	-	1.00
Mn	-	2.00
P	-	0.06
S	0.15	0.35
Cr	17.00	19.00
Mo	-	1.00
Ni	8.00	10.00

Mechanical Properties of 303S31

Rp0.2 (MPa)	Rm (MPa)	Impact KV (J)	Elongation A (%)	A Z (%)	Delivery	Hardness HB
384 (≥)	759 (≥)	31	32	44	Solution & Aging, Ann, Ausaging, Q+T	323