B.S. 301S21

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

The high quality UK B.S. 301S21 material is one of the more steel grades we supply, B.S. BS 1449-2, B.S. BS 5770-4,Steel strip intended for the manufacture of springs. Specification for martensitic and austenitic stainless steel. 301S21 is our main production grade, which has been approved by customers in many countries since its initial production, including our 301S21 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 301S21 materials, and we are willing to develop together with customers from all over the world.

Also includes 301S21 steel material norm, chemical composition, mechanical properties, datasheet, 301S21 equivalent, heat treatment and temperature process of 301S21, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in 301S21 this steel grade have a more comprehensive understanding, Download the full 301S21 PDF version of this datasheet.

Chemical composition (wt.%) of 301S21

Elements	Min.（≥）	Max.（≤）
C	-	0.15
Si	-	1.00
Mn	-	2.00
P	-	0.045
S	-	0.03
Cr	16.00	18.00
Mo	-	-
Ni	6.00	8.00

Mechanical Properties of 301S21

Rp0.2 (MPa)	Rm (MPa)	Impact KV (J)	Elongation A (%)	A Z (%)	Delivery	Hardness HB
521 (≥)	431 (≥)	31	41	33	Solution & Aging, Ann, Ausaging, Q+T	141