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COR-TEN,CORTEN A,CORTEN STEEL,A242,A558 GR A,S355JOW,

DIFFERENT TYPE AND GRADES OF CORTEN STEEL.

CORTEN A STEEL
Weather resistant steel

Physical Properties

Weather resistant steel

Standard

Tensile Strength MPa

Yield Strength MPa

Elongation in 2 inches (min.) %

 CORTENA

US steel

470-630

355

20

 IRSM 41-97

Indian Railways

480 min

340 min

21

 ASTM A 588  ASTM  485 MIN  345 min 21

Chemical Properties

Weather resistant steel

C

Mn

P

S

Si

Cr

Ni

Mo

Cu

Corten-A 0.12 0.20-0.50 0.070-0.150 0.030 0.25-0.75 0.50-1.25 0.65

-

0.25-0.55
IRS M-41 0.10 0.25-0.45 0.075-0.112 0.030 0.28-0.72 0.35-0.49 0.20-0.49

-

0.30-0.39
ASTM A 588 0.20 0.75-1.30 0.04 MAX 0.050 0.15-0.50 0.30-050 0.50 MAX

-

0.20-0.40


ASTM A242-04 High-Strength Low-alloy Structural Steel 

Grade       Chemicals Composition% Tensile Test
C Mn P S Cu Thikness (t)mm Yield  Point Ksi(N/mm2) Tensile Strength      Ksi(N/mm2) Elongation
Type1 0.15 Max 1.00 Max 0.15
Max
0.05
Max
0.20
Min
t<19.05 50(345)      Min 70(480)     Min Test Piece  In (mm) % Min
19.05<t<38.10 46(315)    Min 67(460)    Min GL=8(200)
GL=2(50)
18
21
38.10<t<101.6 42(290)      min 63(435)     Min

Remarks:
1 For plates wider than24 in(600mm), the Elongatior requirment is reduce Two Percentage points.
2 For normal thickness 5/16in(8mm), the deduction from the specified percentage of elongation in 8 in(200mm).
shall be made for decereses of the nominal thickness below 5/16 in.(8mm).
see elongation requirement adjustment under the tension tests section of specification A6 for deduction values.


Specifications for Corten Steel Strip & Coil according tp Jis 3125-87(SPA-H & SPA-C)JAPAN STANDARD
Type Symbol C Si Mn P S Cu Cr Ni Yield N/mm2 TensileN/mm2
SPA-H 0.12 max 0.25 to 0.75 0.20 to 0.50 0.07 to 0.15 0.4 max 0.25 to0.60 0.30 to 1.25 0.65 max 343 min 481 min
SPA-C 34 min 451 min

Standards

Europe Material no. D F GB USA J Salzgitter Flachstahl FK1)
S355J0WP 1.8945 - E 36 WA 3 WR 50 A - - Allwesta 510 P B
S355J2WP 1.8946 - E 36 WA 4 - A 242 Type 1 - Allwesta 510 FP B
S355J0W 1.8959 - E 36 WB 3 WR 50 B A 588 SMA 50 AW Allwesta 510 B
S355J2W 1.8965 WTSt 52-3 E 36 WB 4 WR 50 C - SMA 50 CP Allwesta 510 F B
S355K2G2W 1.8967 - - - - - Allwesta 510 F 40 B




1) FK = Tensile strength class

Chemical composition in percent by weight1) [%] (Heat analysis)
Grade C Si Mn P S N Cu Cr Ni
max. max. max. max. max.
S355JOWP 0,12 0,75 max. 1,00 0,06 - 0,15 0,035 0,0093) 0,25 - 0,55 0,30 - 1,25 0,65
S355J2WP 0,12 0,75 max. 1,00 0,06 - 0,15 0,030 4) 0,25 - 0,55 0,30 - 1,25 0,65
S355JOW 0,16 0,50 0,50 - 1,50 max. 0,035 0,035 0,0092) 3) 0,25 - 0,55 0,40 - 0,80 0,65
S355J2W 0,16 0,50 0,50 - 1,50 max. 0,030 0,030 4) 0,25 - 0,55 0,40 - 0,80 0,65
S355K2W 0,16 0,50 0,50 - 1,50 max. 0,030 0,030 4) 0,25 - 0,55 0,40 - 0,80 0,65


1) The steel may contain a maximum of 0,65 % Ni, 0,30 % Mo and 0,15 % Zr.
2) Exceeding the specified maximum value is permitted if the phosphorous content remains below the maximum value by 0,005 % for each 0,001 % of nitrogen; however, the nitrogen content must not exceed 0,012 % in the heat analysis.
3) The maximum nitrogen content shall not apply if the steel grades contain at least 0,020 % Altotal or sufficient quantities of other nitrogen-fixing elements.
4) The steel grades contain at least one of the following elements: Altotal : ≥ 0,020 %, Nb: 0,015 - 0,060 %, V: 0,02 - 0,12 %, Ti: 0,02 - 0,10 %. If a combination of these elements is present, at least one of them is contained with the specified minimum content.

Mechanical properties1)

Grade Position of sample Min. yield strength Tensile strength Min. total elongation [%]
    MPa MPa L0 = 80 mm L0 = 5,65 √S0
    e2) ≤ 16 e2) > 16 e2)< 3 e2) ≥ 3 e2) ≤ 2 2 < e 2) ≤ 2,5 2,5 < e2) ≤ 3 e2) ≥ 3
S355J0WP l/t 355 - 510 - 680 470 - 630 16/14 17/15 18/16 22/20
S355J2WP l/t 355 - 510 - 680 470 - 630 16/14 17/15 18/16 22/20
S355J0W l/t 355 345 510 - 680 470 - 630 16/14 17/15 18/16 22/20
S355J2W l/t 3553) 345 510 - 680 470 - 630 16/14 17/15 18/16 22/20
S355K2W l/t 3553) 345 510 - 680 470 - 630 16/14 17/15 18/16 22/20

1) The tensile test values given in the table apply to longitudinal samples; in case of strip and sheet steel of widths of ≥ 600 mm, transverse samples should be taken.
2) Nominal thickness e [mm]
3) S355J0WP and S355J2WP: e ≤ 12 mm.

Notch impact energy in condition of delivery (minimum values obtained using Charpy-V samples)

Grade Notch impact energy1) Position
J 0C
S355J0WP 27 0
S355J2WP 27 -20
S355J0W 27 0
S355J2W 27 -20
S355K2W 40 -20

1) Average values of 3 samples; one individual value may fall short of the required minimum value by not
2)More than 30 %. The sample width shall equal the product thickness if the latter is between 5 - 10 mm,
3)The tests being performed using samples which are similar to Charpy-V samples. The valuesspecified  
4)In the table above are to be reduced proportionally to the sample width.



 

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