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Special Alloy

GBT 55CrMnA

The high quality China GBT 55CrMnA material is one of the more steel grades we supply, China structural steel and alloy steel. 55CrMnA is our main production grade, which has been approved by customers in many countries since its initial production, including our 55CrMnA 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 55CrMnA materials, and we are willing to develop together with customers from all over the world.

Also includes 55CrMnA steel material norm, chemical composition, mechanical properties, datasheet, 55CrMnA equivalent, heat treatment and temperature process of 55CrMnA, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in 55CrMnA this steel grade have a more comprehensive understanding, Download the full 55CrMnA PDF version of this datasheet.

2015-08-10 15:58:59 Print this page

Chemical composition (wt.%)

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%)
0.52-0.60 0.17-0.37 0.65-0.95 0.03 0.03 0.65-0.95 Max 0.35

Mechanical Properties

Rp0.2 (MPa) Rm (MPa) Impact
KV (J)
Elongation
A (%)
A Z (%) Delivery Hardness HB
961 (≥) 785 (≥) 33 14 34 Solution & Aging, Ann, Ausaging, Q+T 322

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55CrMnA