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ASTM A470 Grade A
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Steel ASTM A470 Grade A Round bar, flat bar, plate Steelmaking, ESR melted, Blooming, Hot forging, Hot rolling, Straightening, 100% Ultrasonic test, Cold working

TECHNICAL SPECIFICATION - ASTM A470 Grade A Class 2

TECHNICAL SPECIFICATION: ASTM A470 - 2015

OFFICIAL TEST CERTIFICATE: issued by TUV - SGS

MATERIAL TYPE: Ni - Mo - V steel
CHEMICAL COMPOSITION (mass weight %)
C (％): 0.22 ~ 0.30
Mn (％): 0.20 ~ 0.60
P (％) ≤: 0.012
S (％) ≤: 0.012

Si (％): ≤ 0.30

Ni (%): 3.20 ~ 3.70

Cr (%): ≤ 0.75

Mo (%): 0.40 ~ 0.60

V (%): 0.04 ~ 0.12

Al (%): ≤ 0.015

MECHANICAL PROPERTIES UNDER ROOM TEMPERATURE
Grade A Class 2

Tensile strength,σb/≥ MPa: 550
Yield strength, σ0.2/≥ MPa: 380
Elongation, δ ≥(％): 22.0
Reduction of area, ф ≥ (％): 50.0
Impact, AK (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.

AVAILABLE FORMS AND DIMENSIONS
Round bar (Diameter): 5.5 mm to 500mm
Square bar / Flat bar: 10mm to 500mm
Steel strip: T0.20 ~ 3mm X W10 ~ 2000mm X 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

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