21Cr4Mo2
2023-06-28 08:20:52   Origin：   Remark：0 Click：

TECHNICAL SPECIFICATION DATASHEET - Grade 21Cr4Mo2
Material Category - 1.1% Cr-Mo-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 (％):  ≤ 0.26
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 (%):  0.15 ~ 0.30
Ferrum, Fe (%):  balance.
MECHANICAL PROPERTIES - HEAT TREATMENT CYCLE
Hot working tenperature /℃:  1050 ~ 850
Annealing temperature /℃:  640 ~ 680 (hardness HB 248 max.)
Quenching temperature /℃:  880
Cooling medium:  oil
Common tempering temperature /℃:  500
Forms: Round bar, flat bar, wire rod.
Tensile strength, σb/≥ MPa:  710
Yield strength, σ0.2/MPa:  590
Elongation, δ ≥(％):  9.0
Reduction of area, ф ≥ (％):  -
Hardness via heat treatment /HBW:  229 max.
SERVICE & PRODUCT PROFILE 
Third party inspection service.
Export packing / Export documents.
CNC saw cutting.
Marking by stamping or printing.
Transport by Track, Sea, Courier (FedEx, UPS, DHL) and Air Cargo.
Round bar & Disc (diameter): 5.5 to 300mm
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: sales@ccsteels.com.