4Cr9Si2 HEAT RESISTANT STEEL ROD
2025-11-28 08:57:01 Origin： Remark：0 Click：
Specification heat resistant & martensitic steel 4Cr9Si2 cold drawn rod, peeled round bar, hot rolled plate, forgings 4Cr9Si2 stock available industrial application
MATERIAL DESIGNATION - GB 4Cr9Si2
Material specifications - GB/T 1221 -2007 heat resisting steel
Stock & inventory available - rod / round bar diam. 8 ~ 60 mm, ESR ingot.
PROFILE & DIMENSIONS
Rod / round bar / disc (diameter): 6.0 ~ 400 mm
Square bar & flat bar: 10 ~ 600 mm
Length: random length or based on the customer's special requirement.
Heavy / middle plate via hot rolled: T 6 ~ 410 X W 25 ~ 1000 X L mm
Sheet steel via cold rolled: T 0.5 ~ 6 X W 60 ~ 1000 X L mm
Forging piece: stepped shafts, other different shapes based on OEM.
Rod / round bar / disc (diameter): 6.0 ~ 400 mm
Square bar & flat bar: 10 ~ 600 mm
Length: random length or based on the customer's special requirement.
Heavy / middle plate via hot rolled: T 6 ~ 410 X W 25 ~ 1000 X L mm
Sheet steel via cold rolled: T 0.5 ~ 6 X W 60 ~ 1000 X L mm
Forging piece: stepped shafts, other different shapes based on OEM.
Carbon, C (％): 0.35 ~ 0.50
Silicon, Si (％): 2.00 ~ 3.00
Manganese, Mn (％): ≤ 0.70
Phosphorus, P (％): ≤ 0.030
Sulfur, S (％): ≤ 0.025
Chromium, Cr (％): 8.00 ~ 10.00
Nickel, Ni (％): ≤ 0.60
Molybdenum, Mo (％): -
Molybdenum, Mo (％): -
Ferrum, Fe (%): balance.
MECHANICAL PROPERTY AT ROOM TEMP.
Forms: rod, round bar, flat bar
Heat treatment practice: annealing: 800 ~ 900 ℃, hardness HB 269 max.
quenched 1020 ~ 1040 ℃, oil cooled
tempered 700 ~ 780 ℃, oil cooled.
Tensile strength, Rm ≥ MPa: 885
Yield strength, Rp0.2 ≥ MPa: 590
Tensile strength, Rm ≥ MPa: 885
Yield strength, Rp0.2 ≥ MPa: 590
Elongation, A5 ≥ (％): 19.0
Reduction of area, Z ≥ (％): 50.0
Hardness via heat treatment / HBW.: -
Reduction of area, Z ≥ (％): 50.0
Hardness via heat treatment / HBW.: -
TECHNICAL SALES ASSISTANCE & SERVICE
Export packing / Export documents.
Export packing / Export documents.
Transport by Track, Sea, Courier (FedEx, UPS, DHL) and Air Cargo.
CNC saw cutting.
Marking by stamping or printing.
Third party inspection service.
Marking by stamping or printing.
Third party inspection service.
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