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Special Alloy

Q255 A

The high quality China Q255 A material is one of the more steel grades we supply, Engineering and welding. Q255 A is our main production grade, which has been approved by customers in many countries since its initial production, including our Q255 A 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 Q255 A materials, and we are willing to develop together with customers from all over the world.

Also includes Q255 A steel material norm, chemical composition, mechanical properties, datasheet, Q255 A equivalent, heat treatment and temperature process of Q255 A, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in Q255 A this steel grade have a more comprehensive understanding, Download the full Q255 A PDF version of this datasheet.

2015-08-10 15:47:26 Print this page

Chemical composition (wt.%)

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%)
0.18~0.28 ≤0.30 0.40~0.70 0.045 0.050 ≤0.30 ≤0.30
Cu(%)
≤0.30

Mechanical Properties

Rp0.2 (MPa) Rm (MPa) Impact
KV (J)
Elongation
A (%)
A Z (%) Delivery Hardness HB
192 (≥) 675 (≥) 24 11 31 Solution & Aging, Ann, Ausaging, Q+T 111

Q255 A Equivalent Grade Stock

Materials Dimension Quantity State
SkD-11 Round Bar Stock Φ30-Φ350 3102 Kgs Hot-Rolled+Annealed+black
17-4PH Coil Stock 0.08*200mm 1623 Kgs Cold-Rolled+Annealed
D2 Round bar Φ25-Φ380mm 45325 Kgs Hot-Rolled+Annealed+black
Cr8 flat bar 12*355*L 3965 Kgs Forged+Annealed+black
17-4PH Round Bar Φ5-300mm*L 46958 Kgs Hot-Rolled+Annealed+black
17-4PH plate 8-45*1200*3000mm 4.9 Tons Hot-Rolled+Annealed+black
Cr12MoV 12-160(T)*310-610(W)*L 12.38 Tons Hot-Rolled+Annealed+black
1.2601 12-160(T)*310-610(W)*L 11.22 Tons Hot-Rolled+Annealed+black
IncoloyA-286 / GH 2132 Stock Φ8-65mm*L 489 Kgs Hot-Rolled+Annealed+black
Incoloy800 round bar Φ115*1400 169 Kgs Hot-Rolled+Annealed+black
17-7PH / 631 Coil & Strip, Sheet Stock 0.3-3.0*10-180mm 1236.22 Kgs Cold-Rolled+Annealed
X22CrMoV12-1 / 1.4923 Φ17mm 300 Kgs Hot-Rolled+Annealed+black
1.2083 Forged Plate T:105-185mm*W:510*L 26 Tons Forged+QT
X22CrMoV12-1 / 1.4923 Φ30mm 300 Kgs Hot-Rolled+Annealed+black
1.4882 strip/sheet/plate stock 3.5x200x1000-2000mm 200 Kgs Cold-Rolled+Annealed
A387 F5 & Grade 5 sheet Coil strip 0.5mmx200mmxC 3 Tons Cold-Rolled+Annealed
A387 F5 & Grade 5 Hot Coil stock 3.2mmx200mmxC 3 Tons Hot-Rolled+Annealed+black
T45Cr5Si3 Round Bar Dia.40mm 500 Kgs Hot-Rolled+Annealed+black
UNS K30960 Bright Round Bar Dia.22mm 50 Kgs Hot-Rolled+Annealed+black
SA-437 Grade B4B/SUS 616 /422 Forged Bar Dia.160xL 2120 Kgs Forged+QT

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Q255 A

Products

SKD-11 Cold working die steel

SKD-11 Cold working die steel

X165CrMoV12 Cold working die steel

X165CrMoV12 Cold working die steel

17-4ph steel wire

17-4ph steel wire

A387 F5 / Grade 5 Coil / Sheet

A387 F5 / Grade 5 Coil / Sheet

D2 Round Bar

D2 Round Bar

P20 tool steel round bar

P20 tool steel round bar

D3 tool steel round bar/plate

D3 tool steel round bar/plate

T30402/X155CrVMo121 Die Steel Sheet

T30402/X155CrVMo121 Die Steel Sheet

1.4980 Round Bar

1.4980 Round Bar

DT413 / 4Cr5MoSiV1MOD

DT413 / 4Cr5MoSiV1MOD

1.4980

1.4980

45Cr14Ni14W2Mo forging

45Cr14Ni14W2Mo forging

D6AC Forging Hollow Bar

D6AC Forging Hollow Bar

GH 3536 Sheet

GH 3536 Sheet

UNS NO7718 Coil/Strip/Sheet

UNS NO7718 Coil/Strip/Sheet

UNS N10276 Coil

UNS N10276 Coil

X65Cr13 profile steel

X65Cr13 profile steel

4145H Hollow Bar

4145H Hollow Bar

95CrV / 9CrV strip steel

95CrV / 9CrV strip steel

Cr8 flat bar

Cr8 flat bar