EN40B
2025-04-29 11:00:00 Origin： Remark：0 Click：
Description EN40B Datasheet, Stocklist EN40B Chemical, Inventory EN40B Properties Steelmaking, Blooming, Hot forging, Hot rolling, Heat treatment
TECHNICAL DATA SHEET - EN40B
MATERIAL CATEGORY - 3.2Cr-0.55Mo Series alloy steel
MATERIAL SPECIFICATIONS - PD970 -2005
SPECIAL MELTING WAY - Consumable electrode remelted = ESR / VAR
HS code - 7228 4000 / 7228 5000 / 7228 6000
CHEMICAL COMPOSITIONS ( mass weight %)
Carbon, C (％): 0.20 ~ 0.28
Carbon, C (％): 0.20 ~ 0.28
Silicon, Si (%): 0.10 ~ 0.35
Manganese, Mn (％): 0.40 ~ 0.65
Phosphorus, P (％) ≤: 0.025
Sulfur, S (％) ≤: 0.020
Manganese, Mn (％): 0.40 ~ 0.65
Phosphorus, P (％) ≤: 0.025
Sulfur, S (％) ≤: 0.020
Chromium, Cr (%): 2.90 ~ 3.50
Nickel, Ni (%): ≤ 0.40
Molybdenum, Mo (%): 0.40 ~ 0.70
TYPICAL MECHANICAL PROPERTIES
Condition: +S
Tensile strength, Rm ≥ MPa: 775 ~ 925
Yield strength, Rp0.2 ≥ MPa: 525
Elongation, A5 ≥ (％): 14.0
Yield strength, Rp0.2 ≥ MPa: 525
Elongation, A5 ≥ (％): 14.0
Reduction of area, Z (%): -
Annealed hardness, HB ≤: 223 ~ 277
MELTING PROCESS
This alloy is generally smelt in Electric Arc Furnace (EAF), EAF+LF+VD, LF + Electroslag remelting (ESR). For a purpose of superior quality, it should be smelt via technology of vacuum refining or by agreement.
This alloy is generally smelt in Electric Arc Furnace (EAF), EAF+LF+VD, LF + Electroslag remelting (ESR). For a purpose of superior quality, it should be smelt via technology of vacuum refining or by agreement.
FORMS AND DIMENSIONS
Rod / round bar / disc (diameter): 5.5 to 850mm
Square bar / Flat bar: T10 to 300mm X W12 ~ 1000mm
Steel strip: THK0.15 ~ 2.50 X Width 8.0 ~ 185mm
Length: Fixed length or random length or based on the customer's special requirement.
Length: Fixed length or random length or based on the customer's special requirement.
Other different shapes based on OEM.
TECHNICAL SALES ASSISTANCE & SERVICE
Stock over 60 grades with a competitive price, along with cutting service for specific requirement.
Customizing special material is welcome.
If you meet further on any technical enquiry, pleased to EMAIL our resident team of qualified production engineers, E-mail us: sales@ccsteels.com.
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