SAE S21904

2013-06-18 14:07:07 Print this page

The high quality USA SAE S21904 material is one of the more steel grades we supply, Austenitic Chromium Manganese Nickel Stainless Steel, Low carbon . S21904 is our main production grade, which has been approved by customers in many countries since its initial production, including our S21904 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 S21904 materials, and we are willing to develop together with customers from all over the world.

Also includes S21904 steel material norm, chemical composition, mechanical properties, datasheet, S21904 equivalent, heat treatment and temperature process of S21904, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in S21904 this steel grade have a more comprehensive understanding, Download the full S21904 PDF version of this datasheet.

Chemical composition (wt.%) of S21904

Elements	Min.（≥）	Max.（≤）
C	-	0.04
Si	-	1.00
Mn	8.00	10.0
P	-	0.06
S	-	0.03
Cr	19.0	21.5
Ni	5.50	7.50
N	0.15	0.40

Mechanical Properties of S21904

Rp0.2 (MPa)	Rm (MPa)	Impact KV (J)	Elongation A (%)	A Z (%)	Delivery	Hardness HB
437 (≥)	386 (≥)	14	13	32	Solution & Aging, Ann, Ausaging, Q+T	244