Usha Martin

Some of the popular grades offered for Wire Rods under the Alloy Steel category are as follows :

Internal Standard	Equivalent Grades
Internal Standard	BS	DIN	IS	EN	SAE/AISI
EN18	530A40	37Cr4	40Cr1	EN18	5140
EN24	817M40	34CrNiMo6	40NiCr4Mo3	EN24	4340
EN19C	709M40	-	40Cr4Mo3	EN19C	4140, 4142
EN19	709M40	-	40Cr4Mo3	EN19	4140, 4142
EN18D	530A40	37Cr4	40Cr1	EN18D	5140
EN18C	530A40	37Cr4	40Cr1	EN18C	5140
EN18A	530A40	37Cr4	40Cr1	EN18A	5140
27C15	-	28Mn6	27C15	-	1527
20MnCr5	-	20MnCr5	20MnCr1	-	-
20Mn2	150M28	-	20Mn2	EN14A	1524
16MnCr5	-	16MnCr5	17Mn1Cr95	-	5120
FILESTEEL	-	-	-	-	-
EN18B	530A40	37Cr4	40Cr1	EN18B	5140
SAE8620	805M20	-	20NiCrMo2	EN362	8620
SAE8622	805M20	-	20Ni2Cr2Mo2	-	8622
EN353	815M17	-	15NiCr1Mo12	EN353	-
EN354	820M17	-	15NIVCr1Mo15	EN354	4320
15Cr3	523A14	15Cr3	15Cr65	EN206	5015
EN24	817M40	34CrNiMo6	40NiCr4Mo3	EN24	4340
17Cr3	-	17Cr3	-	-	-
40Cr4	41Cr4	41Cr4	40Cr4	En18D	5140
34Cr4	34Cr4	34Cr4	-	En18	5130

Sizes (mm)
20.64, 23, 25, 26, 28, 30, 32, 34, 36, 38, 40, 42, 45, 48, 50

Physical Specifications
Length = 5 to 6 m
Straightness = 6 mm/m

Inclusion Rating

Size (mm)	Tolerance (mm)	Out of Roundness (mm) Maximum
20.64 - 24	± 0.25	0.30
25 - 28	± 0.35	0.40
30 - 34	± 0.40	0.50
36 - 40	± 0.45	0.55
41 - 50	± 0.50	0.60

Metallurgical Specifications
Surface Defect = 0.35 mm or 1 % of diameter whichever is minimum
Decarburisation = 1% of diameter maximum

Grain Size
We offer fine grain steel or as per customer requirement through Silicon Killed / Aluminium Killed steel.

Gaseous Content
With our Vacuum Degassing facility, we can deliver controlled levels of Hydrogen, Oxygen and Nitrogen as required for critical applications.

Inclusion Rating

A		B		C		D
T	H	T	H	T	H	T	H
2	1	2	1.5	2	1	2	1

Hardness/ Tensile
As per International/ National standards.

Jominy Guarantee
As per customers' requirement within International/ National standards

Disclaimer
The above specifications are aimed towards highlighting our capabilities. The figures are indicative and we can adhere to stricter specifications on mutual agreement. Whilst every attempt has been made to ensure accuracy in the above content, the information contained herein does not form the part of any contract and hence is not subject to claims.

Sizes (mm)
20.64, 23, 25, 26, 28, 30, 32, 34, 36, 38, 40, 42, 45, 48, 50

Physical Specifications
Length = 5 to 6 m
Straightness = 6 mm/m

Size (mm)	Tolerance (mm)	Out of Roundness (mm) Maximum
20.64 (SiMn)	+0.20 / - 0.15	0.20
20 - 24	± 0.25	0.30
25 - 28	± 0.35	0.40
30 - 34	± 0.40	0.50
36 - 40	± 0.45	0.55
41 - 50	± 0.50	0.60

Metallurgical Specifications
Surface Defect = 0.35 mm or 1 % of diameter whichever is minimum.
Decarburisation = 1% of diameter maximum.

Grain Size
For Si Killed, Grain Size = 6 (maximum)
For Al Killed, Grain Size = 5 to 9

Gaseous Content
Nitrogen = 70 ppm (maximum)
With our Vacuum Degassing facility, we can adhere to stricter specifications on mutual agreement.

Hardness/ Tensile
As per International/ National standards.

Jominy Guarantee
As per customers' requirement within International/ National standards.

Sizes (mm)
20.64, 23, 25, 26, 28, 30, 32, 34, 36, 38, 40, 42, 45, 48, 50

Physical Specifications
Length = 5 to 6 m
Straightness = 6 mm/m

Size (mm)	Tolerance (mm)	Out of Roundness (mm) Maximum
20.64 - 24	± 0.25	0.30
25 - 28	± 0.35	0.40
30 - 34	± 0.40	0.50
36 - 40	± 0.45	0.55
41 - 50	± 0.50	0.60

Metallurgical Specifications
Surface Defect = 0.50 mm or 1 % of diameter whichever is minimum.
Decarburisation (for grades other than EN1A/ EN1A(Pb) = 1.5% of diameter maximum.

Grain Size
We can offer both fine grain and coarse grain steel depending on customers' requirement through Silicon Killed / Aluminium Killed steel.

Gaseous Content
With our Vacuum Degassing facility, we can deliver controlled levels of Hydrogen, Oxygen, Nitrogen as required for critical applications.

Hardness/ Tensile
As per International/ National standards.

Jominy Guarantee
As per customers' requirement within International/ National standards.

Sizes (mm)
20.64, 23, 25, 26, 28, 30, 32, 34, 36, 38, 40, 42, 45, 48, 50

Physical Specifications
Length = 5 to 6 m
Straightness = 6 mm/m

Size (mm)	Tolerance (mm)	Out of Roundness (mm) Maximum
20.64 - 24	± 0.25	0.30
25 - 28	± 0.35	0.40
30 - 34	± 0.40	0.50
36 - 40	± 0.45	0.55
41 - 50	± 0.50	0.60

Metallurgical Specifications
Surface Defect = 0.35 mm or 1 % of diameter whichever is minimum.
Decarburisation = 1% of diameter maximum.

Grain Size
We can offer both fine grain and coarse grain steel depending on customers' requirement through Silicon Killed / Aluminium Killed steel

Gaseous Content
With our Vacuum Degassing facility, we can deliver controlled levels of Hydrogen, Oxygen and Nitrogen as required for critical applications.

Inclusion Rating

A		B		C		D
T	H	T	H	T	H	T	H
2	1	2	1.5	2	1	2	1

Hardness/ Tensile
As per International/ National standards

Jominy Guarantee
As per customers' requirement within International/ National standards

Sizes (mm)
20.64, 23, 25, 26, 28, 30, 32, 34, 36, 38, 40, 42, 45, 48, 50

Physical Specifications
Length = 5 to 6 m
Straightness = 6 mm/m

Size (mm)	Tolerance (mm)	Out of Roundness (mm) Maximum
20.64 (SiMn)	+0.20 / - 0.15	0.20
20 - 24	± 0.25	0.30
25 - 28	± 0.35	0.40
30 - 34	± 0.40	0.50
36 - 40	± 0.45	0.55
41 - 50	± 0.50	0.60

Metallurgical Specifications
Surface Defect = 0.35 mm or 1 % of diameter whichever is minimum.
Decarburisation = 1.5 % of diameter maximum.

Grain Size
We can offer both fine grain and coarse grain steel depending on customers' requirement through Silicon Killed / Aluminium Killed steel.

Gaseous Content
With our Vacuum Degassing facility, we can deliver controlled levels of Hydrogen, Oxygen and Nitrogen as required for critical applications.

Inclusion Rating

A		B		C		D
T	H	T	H	T	H	T	H
2	1	2	1.5	2	1	2	1

Hardness/ Tensile
As per International/ National standards.

Jominy Guarantee
As per customers' requirement within International/ National standards.

Sizes (mm)
20.6, 22.5, 23.5, 25.5, 28.5, 32, 34 A/F

Physical Specifications
Length = 5 to 6 m
Straightness = 6 mm/m

Size (mm)	Tolerance (mm)	Out of Roundness (mm) Maximum
23.5 - 25.5	± 0.40	0.45
28.5 - 34.0	+0.60 / -0.40	0.60

Metallurgical Specifications
Surface Defect = 0.35 mm maximum
Decarburisation = 0.35 mm maximum

Grain Size
We can offer both fine grain and coarse grain steel depending on customers' requirement through Silicon Killed / Aluminium Killed steel.

Gaseous Content
With our Vacuum Degassing facility, we can deliver controlled levels of Hydrogen, Oxygen and Nitrogen as required for critical applications.

Inclusion Rating

A		B		C		D
T	H	T	H	T	H	T	H
2	1	2	1.5	2	1	2	1

Hardness/ Tensile
As per International/ National standards.

Jominy Guarantee
As per customers' requirement within International/ National standards.

Sizes (mm)
23.5, 25.5, 28.5, 32, 34 A/F.

Physical Specifications
Length = 5 to 6 m
Straightness = 6 mm/m

Size (mm)	Tolerance (mm)	Out of Hex (mm) Maximum
23.5 - 25.5	± 0.40	0.45
28.5 - 34.0	+0.60 / -0.40	0.60

Metallurgical Specifications
Surface Defect = 0.35 mm maximum.
Decarburisation (for grades other than EN1A/ EN1A(Pb) = 0.35 mm maximum.

Grain Size
We can offer both fine grain and coarse grain steel depending on customers' requirement through Silicon Killed / Aluminium Killed steel.

Hardness/ Tensile
As per International/ National standards.

Jominy Guarantee
As per customers' requirement within International/ National standards.

Sizes (mm)
80 x 13, 80 x 11, 70 x 13, 70 x 11 sq mm.,
3 x 7/16, 3 x 1/2, 3 x 3/8 sq in.

Physical Specifications
Length = 5 to 6 m
Straightness = 6 mm/m

Width (mm)	Width Tolerance (mm)	Tolerance in Thickness		Concavity
Width (mm)	Width Tolerance (mm)	Upto 10 mm	> 10 mm	Upto 10 mm	> 10 mm
50 - 75	± 0.50	± 0.15	± 0.20	0.15	0.20
75 - 100	± 0.70	± 0.20	± 0.25	0.20	0.20
100 - 125	± 0.90	± 0.25	± 0.40	0.30	0.40

Edge Radius
T/2 and R = T (± 1.00) or as specified by the customer.

Metallurgical Specifications
Surface Defect = 0.35 mm maximum
Decarburisation = 0.30 mm maximum

Inclusion Rating

A		B		C		H
T	H	T	H	T	H	T	H
2	1	2	1.5	2	1	2	1

Grain Size
We can offer both fine grain and coarse grain steel depending on customers' requirement through Silicon Killed / Aluminium Killed steel.

Gaseous Content
With our Vacuum Degassing facility, we can deliver controlled levels of Hydrogen, Oxygen and Nitrogen as required for critical applications.

Hardness/ Tensile
As per International/ National standards.

Jominy Guarantee
As per customers' requirement within International/ National standards.

Sizes (mm)
80 x 13, 80 x 11, 70 x 13, 70 x 11 sq mm.,
3 x 7/16, 3 x 1/2, 3 x 3/8 sq in

Physical Specifications
Length = 5 to 6 m
Straightness = 6 mm/m

Width (mm)	Width Tolerance (mm)	Tolerance in Thickness		Concavity
Width (mm)	Width Tolerance (mm)	Upto 10 mm	> 10 mm	Upto 10 mm	> 10 mm
50 - 75	± 0.50	± 0.15	± 0.20	0.15	0.20
75 - 100	± 0.70	± 0.20	± 0.25	0.20	0.20
100 - 125	± 0.90	± 0.25	± 0.40	0.30	0.40

Edge Radius
T/2 and R = T (± 1.00) or as specified by the customer.

Metallurgical Specifications

Surface Defect
0.35 mm maximum

Decarburisation
Thick Upto 10 mm = 0.30 mm
Thick > 10 mm = 0.40 mm

Grain Size
We can offer both fine grain and coarse grain steel depending on customers' requirement through Silicon Killed / Aluminium Killed steel.

Gaseous Content
With our Vacuum Degassing facility, we can deliver controlled levels of Hydrogen, Oxygen and Nitrogen as required for critical application.

Inclusion Rating

A		B		C		H
T	H	T	H	T	H	T	H
2	1	2	1.5	2	1	2	1

Hardness/ Tensile
As per International/ National standards.

Jominy Guarantee
As per customers' requirement within International/ National standards.