ASTM A470 type B CL3
2026-09-24 13:47:00 Origin： Remark：0 Click：
Specification ASTM A470 Grade 3 Datasheet, Inventory A470 Class 3 Chemical, A470 Grade B properties from Steelmaking, ESR melted, Blooming, Hot forging
TECHNICAL DATA SHEET - ASTM A470 Grade B Class 3
Technical specification: ASTM A470 - 2015
Stock in hand: round bar
Material type: 3.5Ni - 0.5Mo - 0.8V alloy steel
Typical chemical compositions (mass weight - %)
Carbon, C (％): 0.22 ~ 0.30
Manganese, Mn (％): 0.20 ~ 0.60
Phosphorus, P (％) ≤: 0.012
Sulfur, S (％) ≤: 0.012
Typical chemical compositions (mass weight - %)
Carbon, C (％): 0.22 ~ 0.30
Manganese, Mn (％): 0.20 ~ 0.60
Phosphorus, P (％) ≤: 0.012
Sulfur, S (％) ≤: 0.012
Silicon, Si (％): ≤ 0.30
Nickel, Ni (%): 3.20 ~ 3.70
Chromium, Cr (%): ≤ 0.75
Molybdenum, Mo (%): 0.40 ~ 0.60
Vanandium, V (%): 0.04 ~ 0.12
Aluminum, Al (%): ≤ 0.015
MECHANICAL PROPERTIES UNDER ROOM TEMPERATURE
Grade B Class 3
Grade B Class 3
Tensile strength,σb/≥ MPa: 620
Yield strength, σ0.2/≥ MPa: 480
Elongation, δ5 ≥ : 20.0
Reduction of area, ф ≥: 48.0
Impact, AK (J/cm2): 34
Yield strength, σ0.2/≥ MPa: 480
Elongation, δ5 ≥ : 20.0
Reduction of area, ф ≥: 48.0
Impact, AK (J/cm2): 34
MELTING PROCESS
The steel shall be made by the basic electric-furnace (EF + LF + VD ) or Vacuum induction melting (VIM) process. Subsequent secondary melting of the steel by ESR or VAR.
FORMS AND DIMENSIONS
Round bar, rod, disc (diameter): 6.0 to 900 mm
Square bar, flat bar: 10 to 500 mm
Steel strip: T0.20 ~ 3 X W10 ~ 200 X L Coil
Forging piece: stepped shafts, other different shapes based on OEM.
Round bar, rod, disc (diameter): 6.0 to 900 mm
Square bar, flat bar: 10 to 500 mm
Steel strip: T0.20 ~ 3 X W10 ~ 200 X L Coil
Forging piece: stepped shafts, other different shapes based on OEM.
TECHNICAL SALES ASSISTANCE
If you meet further on any technical enquiry or help, pleased to EMAIL our resident team of qualified production engineers - Email: sales@ccsteels.com.
If you meet further on any technical enquiry or help, pleased to EMAIL our resident team of qualified production engineers - Email: sales@ccsteels.com.
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