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ASTM A871 / A871M - 14
ASTM A871 / A871M - 14
ASTM A871 / A871M - 14
ASTM A871 / A871M - 14

ASTM A871 / A871M steel

The ASTM A871 specification is the standard specification for high-strength low-alloy structural steel plates with atmospheric corrosion resistance used in tubular structures and poles.
Product introduction
The ASTM A871 specification is the standard specification for high-strength low-alloy structural steel plates with atmospheric corrosion resistance used in tubular structures and poles. Grades 60 and 65 are available in the as-rolled, normalized, or quenched and tempered delivery conditions as required to achieve the specified mechanical properties.

The specifications:
Thickness: 3mm--150mm
Width: 30mm--4000mm
Length: 1000mm--12000mm
Standard: ASTM EN10025 JIS GB
Technical Data
A871 Grade 65 may be provided as-rolled, normalized or quenched and tempered.
A871-65 Availability
  THICKNESS WIDTH LENGTH  
A871-65 3/16" – 1 1/4" 48" – 120" 96" – 650"  

ASTM A871 Grade 65 Chemical Composition
A871-65 Steel Composition
  A871-65
Carbon 0.17-0.2%
Manganese 0.5-1.35%
Phosphorus 0.03%
Sulfur 0.03%
Silicon 0.15-0.65%
Nickel 0.4-0.5%
Chromium 0.4-0.7%
Molybdenum 0-0.1%
Copper 0.20-0.50%
Vanadium 0.01-0.1%
Columbium 0-0.05%

A871 Grade 60 Chemical composition % of the Product analysis of grade
A871 Grade 60 Chemical Composition from typeI
Grade A871 Grade 60  The Element Max (%)
C  Mn  P S Si Ni Cr Mo
A871 Grade 60 0.19 0.80-1.35 0.04 0.05 0.30-0.65 0.40 0.40-0.70 --
  Cu V Nb          
  0.25-0.40 0.02-0.10 ---          

A871 Grade 60 Mechanical Property
Grade Yield strength(Mpa)Min tensile strength(Mpa)Min
A871 Grade 60 415 520
  elongation(200mm)Min elongation(50mm)Min
  16% 18%
1.       A871 Grade 60 Delivery Time Or Lead Time: 15-30days
2.       A871 Grade 60 Extra Service: Pretreatment (Shot Blasting, Sand Blast, Painting and Galvanized), Cutting Parts, Sample Service, Third Party inspection, UT Test and Size inspection.
3.       If you have any requirement in steel plate for A871 Grade 60, whether the new plate or stock list of material, please feel free to contact us by email of calling.
4.       If you had any question at our plate or service. Please contact our after service department to get faster reply.

High Strength Low Alloy (HSLA) Steel Plate:
Grade C % Mn % P % S % Si % Cu %
A871 Gr65 ≤0.20 0.75-1.35 ≤0.04 ≤0.05 0.15-0.50 0.2-0.40
Cr % N % V % Ni % B % -
0.4-0.70 0.01-0.10 ≤0.50 -

Mechanical Properties Of a871 grade 65 plate:
Grade Thickness(mm) MinYield(Mpa) Tensile(MPa) Elongation (%) Min Impact Energy
A871 Gr65 ≤12mm Min 450Mpa Min550Mpa 17 -18℃ 20J
>12mm Min 450Mpa Min 550Mpa 17 -29℃ 20J












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