42Cr9Si2
2025-11-28 08:53:34 Origin： Remark：0 Click：
GB/T 1221 Specification heat resistant & martensitic steel 42Cr9Si2 round bar, flat bar, plate, forgings stock available 42Cr9Si2 heat treated
TECHNICAL DATA SHEET - 42Cr9Si2
Material specifications - GB/T 1221 -2007 heat resisting steel
Official test certificate: issued by TUV - SGS - BV
Melting processing way - EF + ESR / EAF + VD + ESR
HS code for Customs - 72221100 / 72223000 / 72224000
Stock available - round bar diam. 20 ~ 230 mm, ESR ingot, billets.
PRODUCT DESCRIPTION
42Cr9Si2 is usually produced by EAF / BEF followed by electro-slag refining (ESR) / VAR if necessary for special purpose.
Bars and, where applicable, forgings are subjected to ultrasonic examination based on the different levels according to the buyers' requirements.
Bars are usually supplied in the annealed, peeled condition.
Final heat treatment - annealing.
PROFILE & DIMENSIONS & PROCESSING SERVICE
Rod / round bar / disc (diameter): 6.0 ~ 400 mm
Square bar & flat bar: 8 ~ 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
Steel strip via cold rolled: T 0.5 ~ 3 X W 10 ~ 250 X L (or in coil form)
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 TEMPERATURE
Forms: Round bar, flat bar, forgings and plate
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
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.
We closely cooperate with the professional inspection partners to strictly control the quality and improve the quality manage system, and guarantee the goods delivery each time. It is proved that we are worth of trusting and will be the strategic partner of the supplying chains in the special steels field.
Export packing / Export documents.
Transport by Track, Sea, Courier (FedEx, UPS, DHL) and Air Cargo.
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.
Raw material stock available
Custom 450 / GD450 / XM-25 (S45000), 403 ESR, 1.4935 / AISI 616 / 422 ESR, B50A365 / 403Cb
17-4PH / 630, M-152 / 1.4938 / S151D, FV520B / S143 / 1.4594. X22CrMoV12-1 / 1.4923
13Х11Н2B2MФ / AE961W, 11Х11Н2B2MФ / 16Х11Н2B2MФ
AISI 615 / S41800, 15-5PH / XM-12 (S15500), A-286 AISI 660 / S66286 / 1.4980
10705 BB/BC, 10705BU, 10705MBU, 10705AJ
If you are interested in our products or services, or would like to learn more about us, pleased to EMAIL (sales@ccsteels.com) our qualified production engineers or sales department.
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