SAE A 646 Grade 300M

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

The high quality USA SAE A 646 Grade 300M 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 300M is our main production grade, which has been approved by customers in many countries since its initial production, including our A 646 Grade 300M 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 300M materials, and we are willing to develop together with customers from all over the world.

Also includes A 646 Grade 300M steel material norm, chemical composition, mechanical properties, datasheet, A 646 Grade 300M equivalent, heat treatment and temperature process of A 646 Grade 300M, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in A 646 Grade 300M this steel grade have a more comprehensive understanding, Download the full A 646 Grade 300M PDF version of this datasheet.

Chemical composition (wt.%) of A 646 Grade 300M

Elements	Min.（≥）	Max.（≤）
C	-	0.40
Si	-	1.60
Mn	-	0.75
P	-	-
S	-	-
Ni	-	0.40
Cr	-	1.85
Al	-	-
Cu	-	-
Ti	-	-
Fe	-	remaining
N	-	-
Mo	-	-
V	-	0.08

Mechanical Properties of A 646 Grade 300M

Rp0.2 (MPa)	Rm (MPa)	Impact KV (J)	Elongation A (%)	A Z (%)	Delivery	Hardness HB
347 (≥)	782 (≥)	23	34	14	Solution & Aging, Ann, Ausaging, Q+T	443