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TECHNICAL SPECIFICATION DATASHEET - Grade 40Cr4
Material Category - 1.1% Cr-base Structural Alloy Steel
Material Specifications - IS 1570 - 4 (1988 / 2018 )
Special Melting Process - EAF + VD + LF / BEF + ESR
H S CODE For Customs: 7228 4000 / 7228 5000 / 7228 6000
Official Test Certificate - issued by TUV - SGS - BV
MAIN CHEMICAL COMPOSITION (mass weight - %)
Carbon, C (％): 0.35 ~ 0.45
Silicon, Si (％): 0.10 ~ 0.35
Manganese, Mn (％): 0.60 ~ 0.90
Phosphorus, P (％) ≤: 0.035
Sulfur, S (％) ≤: 0.025
Chromium, Cr (％): 0.90 ~ 1.20
Nickel, Ni (％): -
Molybdenum, Mo (%): -
Ferrum, Fe (%): remainder
MECHANICAL PROPERTIES - HEAT TREATMENT CYCLE
Hot working tenperature /℃: 1100 ~ 850
Annealing temperature /℃: 650 ~ 700
Quenching temperature /℃: 820 ~ 850
Cooling medium: oil
Common tempering temperature /℃: 540 ~ 680
Forms: Round bar, flat bar, forgings and plate
Tensile strength, σb/≥ MPa: 690
Yield strength, σ0.2/MPa: 490
Elongation, δ ≥(％): 14.0
Reduction of area, ф ≥ (％): -
Hardness via heat treatment /HBW: 248 max.
SUPERIOR SERVICE & PRODUCT PROFILE
CNC saw cutting.
Marking by stamping or printing.
Third party inspection service.
Export packing / Export documents.
Transport by Track, Sea, Courier (FedEx, UPS, DHL) and Air Cargo.
Round bar & Disc (diameter): 5.5 to 800mm
Flat bar (thickness X width): 10 ~ 350 * 15 ~ 550 * Lmm
Heavy plate (thickness X width): 20 ~ 500 * 30 ~ 1200 * Lmm
Length: fixed length, random length or based on the customer's special requirement.
TECHNICAL SALES ASSISTANCE
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.
If you meet further on any technical enquiry or help, pleased to EMAIL our resident team of qualified production engineers, Email: firstname.lastname@example.org.