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Stainless Steels & Special Steels


2018-04-19 10:32:44 Print this page

The high quality USA ASTM ASTM634 material is one of the more steel grades we supply, ASTM634. ASTM634 is our main production grade, which has been approved by customers in many countries since its initial production, including our ASTM634 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 ASTM634 materials, and we are willing to develop together with customers from all over the world.

Also includes ASTM634 steel material norm, chemical composition, mechanical properties, datasheet, ASTM634 equivalent, heat treatment and temperature process of ASTM634, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in ASTM634 this steel grade have a more comprehensive understanding, Download the full ASTM634 PDF version of this datasheet.

Chemical composition (wt.%) of ASTM634

Elements Min.(≥) Max.(≤)
C 0.10 0.15
Si - 0.50
Mn 0.50 1.25
P - 0.04
S - 0.03
Cr 15.0 16.0
Ni 4.00 5.00
Mo 2.50 3.25
N 0.07 0.13

Mechanical Properties of ASTM634

Rp0.2 (MPa) Rm (MPa) Impact
KV (J)
A (%)
A Z (%) Delivery Hardness HB
356 (≥) 545 (≥) 21 44 23 Solution & Aging, Ann, Ausaging, Q+T 313
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