KS STS631

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

The high quality Korea KS STS631 material is one of the more steel grades we supply, KS D 3534 (2002), KS D 3698 (2008), KS D 3705 (2008), KS D 3706 (2008),Stainless steel bars. STS631 is our main production grade, which has been approved by customers in many countries since its initial production, including our STS631 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 STS631 materials, and we are willing to develop together with customers from all over the world.

Also includes STS631 steel material norm, chemical composition, mechanical properties, datasheet, STS631 equivalent, heat treatment and temperature process of STS631, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in STS631 this steel grade have a more comprehensive understanding, Download the full STS631 PDF version of this datasheet.

Chemical composition (wt.%) of STS631

Elements	Min.（≥）	Max.（≤）
C	-	0.09
Si	-	1.00
Mn	-	1.00
P	-	0.040
S	-	0.030
Cr	16.00	18.00
Ni	6.50	7.75
Mo	-	-
N	-	-
Al	0.75	1.50

Mechanical Properties of STS631

Rp0.2 (MPa)	Rm (MPa)	Impact KV (J)	Elongation A (%)	A Z (%)	Delivery	Hardness HB
656 (≥)	791 (≥)	24	41	13	Solution & Aging, Ann, Ausaging, Q+T	234