Quality Assurance Department

TYPE OF PRODUCT

Date of Issue11.12.2009 Revision No. 00 Document No.

Genaral Description

Application

Specified Grade CORTEN

Equivalent ref. Grade

Chemistry,wt%Range C Si S P Mn Ni Cr Cu Al N ppm

Min. 0.040 0.350 0.000 0.080 0.300 0.220 0.400 0.300 0.000 0.000

Max. 0.050 0.400 0.008 0.100 0.400 0.250 0.450 0.400 0.010 90

MechanicalRange YS UTS ECV Hardness

Properties 50 GL 80 GL mm

Min. 310 445 20 - NA -

Max. - - - - - -

Surface Finish: Matte Finish (0.80 to 1.20 Microns)

Free from RIS,Lamination ,Scratch Mark/Pitting

Packing: Packing as per IIL standard.

Tolerances : As per IS 513

HR-- RL48AL

Technical Delivery Conditions (TDC)

CRCA - CORTEN Grade

ISPAT INDUSTRIES LTD., KALMESHWAR

CRCA - CORTEN

CORTEN

Grade

% Elongation

NA

-

Bend Test

(Kg/mm SQ)

CORTEN

Grade