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Special Alloy

CNS CNS 631

The high quality China CNS CNS 631 material is one of the more steel grades we supply, CNS standard precipitation hardening stainless steel. CNS 631 is our main production grade, which has been approved by customers in many countries since its initial production, including our CNS 631 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 CNS 631 materials, and we are willing to develop together with customers from all over the world.

Also includes CNS 631 steel material norm, chemical composition, mechanical properties, datasheet, CNS 631 equivalent, heat treatment and temperature process of CNS 631, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in CNS 631 this steel grade have a more comprehensive understanding, Download the full CNS 631 PDF version of this datasheet.

2015-08-10 15:54:11 Print this page

Chemical composition (wt.%)

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%)
Max 0.09 Max 1.00 Max 1.00 Max 0.040 Max 0.030 16.00-18.00 6.50-7.75
Al(%)
0.75-1.50

Mechanical Properties

Rp0.2 (MPa) Rm (MPa) Impact
KV (J)
Elongation
A (%)
A Z (%) Delivery Hardness HB
773 (≥) 216 (≥) 23 43 12 Solution & Aging, Ann, Ausaging, Q+T 231

CNS 631 Equivalent Grade Stock

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

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631

Products

17-7PH / 631 COIL Strip Sheet

17-7PH / 631 COIL Strip Sheet

17-7PH / 631 COIL Strip Sheet

17-7PH / 631 COIL Strip Sheet

17-7PH(631,UNS S17700,1.4541)  AMS 5528 Stainless Steel Coil

17-7PH(631,UNS S17700,1.4541) AMS 5528 Stainless Steel Coil