B.S. 331S40

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

The high quality UK B.S. 331S40 material is one of the more steel grades we supply, B.S. BS 970-4,Specification for wrought steels for mechanical and allied engineering purposes. Valve steels. 331S40 is our main production grade, which has been approved by customers in many countries since its initial production, including our 331S40 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 331S40 materials, and we are willing to develop together with customers from all over the world.

Also includes 331S40 steel material norm, chemical composition, mechanical properties, datasheet, 331S40 equivalent, heat treatment and temperature process of 331S40, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in 331S40 this steel grade have a more comprehensive understanding, Download the full 331S40 PDF version of this datasheet.

Chemical composition (wt.%) of 331S40

Elements	Min.（≥）	Max.（≤）
C	0.35	0.50
Si	1.00	2.00
Mn	0.50	1.00
P	-	0.040
S	-	0.030
Cr	12.00	15.00
Ni	12.00	15.00
Mo	-	-
W	2.00	3.00

Mechanical Properties of 331S40

Rp0.2 (MPa)	Rm (MPa)	Impact KV (J)	Elongation A (%)	A Z (%)	Delivery	Hardness HB
756 (≥)	241 (≥)	32	24	24	Solution & Aging, Ann, Ausaging, Q+T	421