GB 35CrMo
2025-10-06 09:37:10 Origin： Remark：0 Click：
YB/T 158 1999 Alloy structure steel bars for steam turbine bolts Stock available 35CrMo round bar, flat bar, heat treated 35CrMo peeled annealed condition
MATERIAL DESIGNATION - GB 35CrMo
MATERIAL CATEGORY - alloy structure steel bars for steam turbine bolts.
MATERIAL CATEGORY - alloy structure steel bars for steam turbine bolts.
MATERIAL SPECIFICATIONS - YB/T 158 - 1999
Stock Available: round bar diam. 20 ~ 240 mm, plate 6 ~ 30 X 400 ~ 1200 X Lmm
PRODUCT PROFILE & DIMENSIONS
Rod & round bar & disc (diameter): 6.0 ~ 900 mm
Square bar & flat bar: 8 ~ 610 mm
Plate & Sheet: T 8.0 ~ 300 X W 20 ~ 1200 X L mm
Rod & round bar & disc (diameter): 6.0 ~ 900 mm
Square bar & flat bar: 8 ~ 610 mm
Plate & Sheet: T 8.0 ~ 300 X W 20 ~ 1200 X L mm
TYPICAL CHEMICAL ELEMENTS (mass weight %)
Carbon, C (％): 0.32 ~ 0.40
Silicon, Si (％): 0.17 ~ 0.37
Manganese, Mn (％): 0.40 ~ 0.70
Phosphorus, P (％) ≤: 0.025
Sulfur, S (％) ≤: 0.015
Chromium, Cr (％): 0.80 ~ 1.10
Molybdenum, Mo (％): 0.15 ~ 0.25
Nickel, Ni (％): ≤ 0.30
Niobium, Nb (％): -
Titanium, Ti (％): -
Copper, Cu (%): ≤ 0.25
Ferrum, Fe (%): balance.
Carbon, C (％): 0.32 ~ 0.40
Silicon, Si (％): 0.17 ~ 0.37
Manganese, Mn (％): 0.40 ~ 0.70
Phosphorus, P (％) ≤: 0.025
Sulfur, S (％) ≤: 0.015
Chromium, Cr (％): 0.80 ~ 1.10
Molybdenum, Mo (％): 0.15 ~ 0.25
Nickel, Ni (％): ≤ 0.30
Niobium, Nb (％): -
Titanium, Ti (％): -
Copper, Cu (%): ≤ 0.25
Ferrum, Fe (%): balance.
MECHANICAL PROPERTIES - HOT WORKING, HEAT TREATMENT
Heat treatment temperature / ℃ | annealing: -.
Heat treatment temperature / ℃ | Normalizing: -
Heat treatment temperature / ℃ | Quenching: 860 oil cooling
Heat treatment temperature / ℃ | Tempering : 640 water or oil cooling
Hardness after annealing, ≤ HBW: 229
Tensile strength, Rm ≥ MPa: 980
Yield strength, Rp0.2 ≥ MPa: 835
Elongation, A5 ≥ (%): 12.0
Reduction of area, Z ≥ (%): 45.0
Impact strength, AKu ≥ J: 63
Hardness after final heat treatment / HBW: -
Hardness after annealing, ≤ HBW: 229
Tensile strength, Rm ≥ MPa: 980
Yield strength, Rp0.2 ≥ MPa: 835
Elongation, A5 ≥ (%): 12.0
Reduction of area, Z ≥ (%): 45.0
Impact strength, AKu ≥ J: 63
Hardness after final heat treatment / HBW: -
TECHNICAL SALES ASSISTANCE & SERVICE
20+ years focus on special steel manufacturing and processing.
Stock over 60 grades with a competitive price, along with cutting service for specific requirement.
Customizing special material is welcome.
20+ years focus on special steel manufacturing and processing.
Stock over 60 grades with a competitive price, along with cutting service for specific requirement.
Customizing special material is welcome.
If you are interested in our products or services, pleased to EMAIL (sales@ccsteels.com) our qualified production engineers or sales department.
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