Q275 - Products,Stainless steel,special steel - 30crnimo8 Round Bar, Sheet,Plate,Tube
Current Location:Home » Products > Q275

MATERIAL DESIGNATION: Q275

Standard:
Country: China
Application:
Recommend a supplier
Company name: Haihong International Trade (HK) CO., Limited;
Production range:
  • Q275 round bar, Dimension: 0.1mm to 4000mm
  • Q275 square bar, Dimension: 8mm to 4000mm
  • Q275 plate,sheet,flat,coil,strip, Dimension: 0.08mm to 2000mm(THK)*2mm to 4000mm(width)*Lenght(According to the demand for custom)
  • Q275 forged, stepped shafts with flanks / discs /tubes /slugs /donuts /cubes /other different shapes based on OEM.
  • Delivery: hot forging or hot rolling and annealing or normalizing + tempering/quenching + tempering any other conditions based on the customer's requirement
Telephone: +86-816-3653300
Fax: +86-816-3639422
E-mail: E-mail:sales@x65cr13.com
Contact: Mr. Chen

Chemical Composition (%)

0.28~0.38 ≤0.35 0.50~0.80 ≤0.045 ≤0.050 ≤0.30 ≤0.30 ≤0.30

Mechanical Properties

  Min. Max. Approx
 Castings; Homogenization, Solution and Precipitation Heat Treated (H1100); separately cast test pieces
 Yield stress Rp0,2 (MPa) 827 - -
 Tensile stress, Rm (MPa) 896 - -
 Elongation, A (%) 10.0 - -
 Elongation in 4 x Diameter %
 Impact, Kv/Ku (J) - - -
 Hardness
HR min HR max
30 38
 HRC
 Castings; Homogenization, Solution and Precipitation Heat Treated (H1100); Integrally cast specimens
 Yield stress Rp0,2 (MPa) 827 - -
 Tensile stress, Rm (MPa) 896 - -
 Elongation, A (%) 6.0 - -
 Elongation in 4 x Diameter %
 Impact, Kv/Ku (J) - - -
 Hardness
HR min HR max
30 38
 HRC

Mechanical properties


The yield point σ s/MPa (no less) than in steel different thickness or diameter/mm | than 16:275
The yield point σ s/MPa (no less) than in steel different thickness or diameter/mm | > 16 ~ 40:265
The yield point σ s/MPa (no less) than in steel different thickness or diameter/mm | > 40 to 60:255
The yield point σ s/MPa (no less) than in steel different thickness or diameter/mm | > 60 ~ 100:245
The yield point σ s/MPa (no less) than in steel different thickness or diameter/mm | > 100 ~ 150:235
The yield point σ s/MPa (no less) than in steel different thickness or diameter/mm | > 150:225

Tensile strength σ b/MPa: 490 ~ 630
Elongation δ 5 / (%) (no less) than in steel different thickness or diameter/mm | than 16:20
Elongation δ 5 / (%) (no less) than in steel different thickness or diameter/mm | > 16 ~ 40:19
Elongation δ 5 / (%) (no less) than in steel different thickness or diameter/mm | > 40 to 60:18
Elongation δ 5 / (%) (no less) than in steel different thickness or diameter/mm | > 60 ~ 100:17
Elongation δ 5 / (%) (no less) than in steel different thickness or diameter/mm | > 100 ~ 150:16
Elongation δ 5 / (%) (no less) than in steel different thickness or diameter/mm | > 150:15
Impact test (1) | temperature / ℃ :-
Impact test (1) | impact absorption power AKV/J:-

The cold bending property


Sample direction:-
180 ° of cold bending test b = 2 a different thickness or in steel diameter/mm | than 60: d = 3 a
180 ° of cold bending test b = 2 a different thickness or in steel diameter/mm | > 60 ~ 100: d = 4 a
180 ° of cold bending test b = 2 a different thickness or in steel diameter/mm | > 100 ~ 200: d = 4.5 a