ASTM ASTM631

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The high quality USA ASTM ASTM631 material is one of the more steel grades we supply, ASTM631. ASTM631 is our main production grade, which has been approved by customers in many countries since its initial production, including our ASTM631 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 ASTM631 materials, and we are willing to develop together with customers from all over the world.

Also includes ASTM631 steel material norm, chemical composition, mechanical properties, datasheet, ASTM631 equivalent, heat treatment and temperature process of ASTM631, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in ASTM631 this steel grade have a more comprehensive understanding, Download the full ASTM631 PDF version of this datasheet.

Chemical composition (wt.%) of ASTM631

Elements	Min.（≥）	Max.（≤）
C	-	0.09
Si	-	1.00
Mn	-	1.00
P	-	0.04
S	-	0.04
Cr	16.0	18.0
Ni	6.5	7.75
Al	0.75	1.50

Mechanical Properties of ASTM631

Rp0.2 (MPa)	Rm (MPa)	Impact KV (J)	Elongation A (%)	A Z (%)	Delivery	Hardness HB
291 (≥)	236 (≥)	32	33	22	Solution & Aging, Ann, Ausaging, Q+T	423

Equivalent Grade Stock of ASTM631

Materials	Dimension	Quantity	State
17-7PH / 631 Coil & Strip, Sheet Stock	0.3-3.0*10-180mm	1236.22 Kgs	Cold-Rolled+Annealed