AFNOR 321F20

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

The high quality France AFNOR 321F20 material is one of the more steel grades we supply, AFNOR NF A 49-214,Steel tubes. Seamless austenitic steel tubes for use at high temperatures. Dimensions (with normal tolerances). Technical conditions of delivery. 321F20 is our main production grade, which has been approved by customers in many countries since its initial production, including our 321F20 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 321F20 materials, and we are willing to develop together with customers from all over the world.

Also includes 321F20 steel material norm, chemical composition, mechanical properties, datasheet, 321F20 equivalent, heat treatment and temperature process of 321F20, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in 321F20 this steel grade have a more comprehensive understanding, Download the full 321F20 PDF version of this datasheet.

Chemical composition (wt.%) of 321F20

Elements	Min.（≥）	Max.（≤）
C	0.04	0.08
Si	-	1.00
Mn	-	2.00
P	-	0.040
S	-	0.030
Cr	17.00	19.00
Ni	11.00	13.00
Mo	-	-
B	0.0015	0.0060
Ti	4×C	0.60

Mechanical Properties of 321F20

Rp0.2 (MPa)	Rm (MPa)	Impact KV (J)	Elongation A (%)	A Z (%)	Delivery	Hardness HB
663 (≥)	799 (≥)	12	33	43	Solution & Aging, Ann, Ausaging, Q+T	331