ASTM A871/A871M Weathering resistant high strength low alloy structural steel

ASTM A871/A871M

Standard: ASTM A871/A871M
Product: Corten steel, Weathering steel, Weathering resistant steel, atmosphere corrosion resistance steel
Steel Grade : ASTM A871 grade 60, ASTM A871 grade 65.
Dimension range : 1.5mm -200mm x 1000mm-4000mm x 1000mm-18000mm
MOQ: 1 PC
Delivery time : Promptly ( Stock) or 10-40 days (Production)
Stock : Available
MTC: Available
Payment Term : T/T or L/C At sight .
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Specification :
ASTM A871 material is a kind of low alloy high strength structural weathering resistance steel, or corten steel, or atmosphere corrosion resistance steel . There is two grades they are A871 Gr 60 and A871 Gr 65. ASTM A871 has for types : A871 TYPE I, A871 TYPE II, A871 TYPE III, A871 TYPE IV.

ASTM A871 chemical composition

ASTM A871

A871 TYPE I

A871 TYPE II

A871 TYPE III

A871 TYPE IV

C

≤ 0.19

≤0.20

≤0.15

≤0.17

Mn

0.80-1.35

0.75-1.35

0.80-1.35

0.50-1.20

P

≤0.04

≤0.04

≤0.04

≤0.04

S

≤0.05

≤0.05

≤0.05

≤0.05

Si

0.30-0.65

0.15-0.50

0.15-0.40

0.25-0.50

Ni

≤0.40

≤0.50

0.25-0.50

≤0.40

Cr

0.40-0.70

0.40-0.70

0.40-0.70

0.40-0.70

Mo

-

-

-

≤0.10

Cu

0.25-0.40

0.20-0.40

0.20-0.50

0.30-0.50

V

0.02-0.10

0.01-0.10

0.01-0.10

-

Nb

-

-

-

0.005-0.50

ASTM A871 tensile property request

Grade

Yield strength Min MPa

Tensile strength Min MPa

Elongation min

 

 

 

200 mm

50 mm

A871 grade 60

415

520

16

18

A871 grade 65

450

550

15

17

ASTM A871 V impact test and energy

ASTM A871 steel plate thickness

Energy (J)

Temperature (degree)

≤12

20

-18

>12

20

-29

Reference Link : Corten A, Corten B, ASTM A588, EN 10025-5, ASTM A242, JIS 3125 ,JIS 3114 ,BS EN10155,ASME SA871