RAILS BSP

Exports
Producing Plant : Bhilai Steel Plant
Specification : IRS T12 2009 Gr 880 Class B Prime Quality, UIC 52 & UIC 60 K.G.
Size Ranges : 13 Meter Length (10% of Short Length in 9 – 12 Meters)

 

Chemical & Mechanical Composition Properties:
Chemical Composition (Percentage) Mechanical Properties
GRADE C Mn Si S (Max) * P (Max) * A1 (Max) Mo (Max) Hydrogen content in liquid steel (Max) UTS(Mpa) Minimum Elongation % on gauge length = 5.65v¯ SoMinimum Running Surface Hardness **
880 0.60-0.80 0.80-1.30 0.10-0.50 0.030 0.030 0.015 - 1.6 880 10.0 Min.260
So = Cross sectional area of tensile test piece in mm²
* 0.040 maximum for finished rail.
* * Desirable Value

 

Quality Parameter/ Criteria UIC Specification EURO Norm *IRS T-12 2009 Specification
Hydrogen <3 PPM <2.5 PPM <1.6 PPM
UTS(Mpa) 880 880 880
Elongation (%) 10% 10% 10%
Reduction Ratio 8 9 10
Hardness (BHN) 260 260 260
Fracture Toughness (Mpavm) N.S. 29-35 29
Telegue Strength (Mpa/m) N.S. 300 (5 Million Cycles) 285 (10 Million cycles)
Residual Stress (N/sq.mm) N.S. 250 123.2 (14% of UTS)

 

* IRS denotes Indian Railway Specification.

Basis of Invoicing : Actual weight Basis
Stamping on Material : By Bhilai Steel Plant
Inspection : Plant Inspection & Third party Inspection by Independent Surveyor at the port. Buyer can also inspect the material at the producing plant.
Online ultrasonic & visual surface testing :Drilled or UndrilledPort of Loading : By Bhilai Steel Plant

 

Enquiries for SAIL’s carbon steel products may be sent to :
International Trade Division
Scope Minar Core-2, 17th Floor, LaxmiNagar District Center, Delhi - 110 092, India.
Tel. No. :+91-11-22505358 
Fax : +91-11-22507654 , 22514690
E-mail: editd@sail-steel.com