ASTM A470 Grade A
2026-02-12 14:01:00 Origin： Remark：0 Click：
ASTM A470 Grade A peeled round bar, flat bar, plate steelmaking, ESR melted, hot bloomed, forged, rolled, 100% Ultrasonic test, cold worked
TECHNICAL DATA SHEET: ASTM A470 Grade A Class 2
Technical specifications: ASTM A470 - 2015
Official test report: issued by TUV - SGS
Material category: 3.5Ni - 0.5Mo - 0.08V steel
Typical chemical compositions (mass fraction %)
Carbon, C (％): 0.22 ~ 0.30
Manganese, Mn (％): 0.20 ~ 0.60
Phosphorus, P (％): ≤ 0.012
Sulfur, S (％): ≤ 0.012
Typical chemical compositions (mass fraction %)
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
Vanadium, V (%): 0.04 ~ 0.12
Aluminum, Al (%): ≤ 0.015
MECHANICAL PROPERTIES UNDER ROOM TEMP.
Grade A Class 2
Grade A Class 2
Tensile strength, Rm ≥ MPa: 550
Yield strength, Rp0.2 ≥ MPa: 380
Elongation, A5 ≥ (％): 22.0
Reduction of area, Z ≥ (％): 50.0
Impact, AKv (J/cm2): 38
Yield strength, Rp0.2 ≥ MPa: 380
Elongation, A5 ≥ (％): 22.0
Reduction of area, Z ≥ (％): 50.0
Impact, AKv (J/cm2): 38
MELTING PROCESS
The steel shall be made by the basic electric-furnace (EAF + LF + VD ) or Vacuum induction melting (VIM) process. Subsequent secondary melting of the steel by ESR or VAR.
PROFILES AND DIMENSIONS
Round bar / disc (diameter): 6.0 to 700 mm
Square bar / flat bar: 8.0 to 500 mm
Steel strip: T0.30 ~ 3mm X W10 ~ 200 X L in Coil
Forging piece: stepped shafts, other different shapes based on OEM.
Round bar / disc (diameter): 6.0 to 700 mm
Square bar / flat bar: 8.0 to 500 mm
Steel strip: T0.30 ~ 3mm X W10 ~ 200 X L in Coil
Forging piece: stepped shafts, other different shapes based on OEM.
TECHNICAL SALES ASSISTANCE
If you meet further on any technical enquiry. pleased to EMAIL our resident team of qualified production engineers. E-mail: sales@ccsteels.com
If you meet further on any technical enquiry. pleased to EMAIL our resident team of qualified production engineers. E-mail: sales@ccsteels.com
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