B.S. 321S31

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

The high quality UK B.S. 321S31 material is one of the more steel grades we supply, B.S. BS 1449-2, B.S. BS 1501-3, B.S. BS 1502, B.S. BS 1503, B.S. BS 1506, B.S. BS 1554, B.S. BS 3605-1, B.S. BS 3605-2, B.S. BS 3606, 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. 321S31 is our main production grade, which has been approved by customers in many countries since its initial production, including our 321S31 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 321S31 materials, and we are willing to develop together with customers from all over the world.

Also includes 321S31 steel material norm, chemical composition, mechanical properties, datasheet, 321S31 equivalent, heat treatment and temperature process of 321S31, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in 321S31 this steel grade have a more comprehensive understanding, Download the full 321S31 PDF version of this datasheet.

Chemical composition (wt.%) of 321S31

Elements	Min.（≥）	Max.（≤）
C	-	0.08
Si	-	1.00
Mn	-	2.00
P	-	0.045
S	-	0.03
Cr	17.00	19.00
Mo	-	-
Ni	9.00	12.00
Ti	5×C	0.80

Mechanical Properties of 321S31

Rp0.2 (MPa)	Rm (MPa)	Impact KV (J)	Elongation A (%)	A Z (%)	Delivery	Hardness HB
519 (≥)	821 (≥)	41	22	23	Solution & Aging, Ann, Ausaging, Q+T	131