SAE A 646 Grade HP 9-4-20

2014-01-06 15:29:12 Print this page

The high quality USA SAE A 646 Grade HP 9-4-20 material is one of the more steel grades we supply, SAE A 646/A 646M (2011),Premium Quality Alloy Steel Blooms and Billets for Aircraft and Aerospace Forgings. A 646 Grade HP 9-4-20 is our main production grade, which has been approved by customers in many countries since its initial production, including our A 646 Grade HP 9-4-20 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 A 646 Grade HP 9-4-20 materials, and we are willing to develop together with customers from all over the world.

Also includes A 646 Grade HP 9-4-20 steel material norm, chemical composition, mechanical properties, datasheet, A 646 Grade HP 9-4-20 equivalent, heat treatment and temperature process of A 646 Grade HP 9-4-20, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in A 646 Grade HP 9-4-20 this steel grade have a more comprehensive understanding, Download the full A 646 Grade HP 9-4-20 PDF version of this datasheet.

Chemical composition (wt.%) of A 646 Grade HP 9-4-20

Elements	Min.（≥）	Max.（≤）
C	0.17	0.23
Si	-	0.10
Mn	-	0.20
Ni	-	0.65
Cr	-	0.40
Al	4.25	4.75
Cu	-	-
Ti	-	-
Fe	-	-
Mo	-	0.85
Co	8.50	9.50
V	0.06	0.12
P	-	0.01
S	-	0.01
W	0.90	1.10

Mechanical Properties of A 646 Grade HP 9-4-20

Rp0.2 (MPa)	Rm (MPa)	Impact KV (J)	Elongation A (%)	A Z (%)	Delivery	Hardness HB
491 (≥)	132 (≥)	33	32	14	Solution & Aging, Ann, Ausaging, Q+T	222