SAE A 791 Grade 25-4-4

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

The high quality USA SAE A 791 Grade 25-4-4 material is one of the more steel grades we supply, SAE A 791/A 791M,Aluminum-Zinc Alloy-Coated Wire Strand. A 791 Grade 25-4-4 is our main production grade, which has been approved by customers in many countries since its initial production, including our A 791 Grade 25-4-4 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 791 Grade 25-4-4 materials, and we are willing to develop together with customers from all over the world.

Also includes A 791 Grade 25-4-4 steel material norm, chemical composition, mechanical properties, datasheet, A 791 Grade 25-4-4 equivalent, heat treatment and temperature process of A 791 Grade 25-4-4, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in A 791 Grade 25-4-4 this steel grade have a more comprehensive understanding, Download the full A 791 Grade 25-4-4 PDF version of this datasheet.

Chemical composition (wt.%) of A 791 Grade 25-4-4

Elements	Min.（≥）	Max.（≤）
C	-	0.025
Si	-	0.75
Mn	-	1.00
P	-	0.04
S	-	0.04
Ni	3.35	4.50
Cr	24.50	26.00
Al	-	-
Cu	-	0.50
Ti	-	-
Fe	-	-
N	-	0.035
Mo	3.50	4.50

Mechanical Properties of A 791 Grade 25-4-4

Rp0.2 (MPa)	Rm (MPa)	Impact KV (J)	Elongation A (%)	A Z (%)	Delivery	Hardness HB
314 (≥)	132 (≥)	33	21	42	Solution & Aging, Ann, Ausaging, Q+T	443