Automobile and Rail Wagon

Automobile and Rail Wagon Steel Grades

At NMDC Steel Ltd., we specialize in manufacturing high-quality steel products tailored for the automotive and rail wagon industries. Our products meet stringent international standards, ensuring superior performance, durability, and reliability. The grades are designed to provide optimal strength-to-weight ratios, enhanced safety, and cost efficiency for critical applications.

Standard Specifications, Chemical Composition, and Mechanical Properties

Our steel grades adhere to globally recognized specifications, with precise chemical compositions and mechanical properties to meet the diverse needs of the industry.

Auto Grades

STANDARD SPECIFICATION		CHEMICAL COMPOSITION							MECHANICAL PROPERTIES
Specification	Grade	C % Max	Mn % Max	Si % Max	S% Max	P% Max	Al%	N% Max	Yield Strength (Mpa) Min	Tensile Strength (Mpa) Min	%El (Min)
EN 10149	E34	0.12	1.30	0.50	0.020	0.025	0.015 min		315	390	20-24	AUTO GRADE
EN 10149	E38	0.12	1.50	0.50	0.020	0.025	0.015 min		355	430	19-23
EN 10149	BSK 46	0.12	1.00	0.10	0.025	0.025	0.02		460	500	21
ASTM A572	E55 CLASS 1	0.25	1.50		0.040	0.040			380	480	18
ASTM A572	E55 CLASS 2	0.15	1.50		0.040	0.040			380	450	20
EN 10338	HDF450F	0.18	1.2	0.5	0.01	0.03	0.015			320-420	23
EN10338	HDF560F	0,18	1.8	0.5	0.01	0.025	0.015			460-570	16
EN10338	HDT580X	0.17	2.2	0.8	0.015	0.080	2.00 max		330-460	580	19
EN10338	HDT750C	0.18	2.2	0.8	0.015	0.080	2.00 max		620-760	750	10
EN10338	HDT780C	0.18	2.2	0.8	0.015	0.080	2.00 max		680-830	780	10
EN10338	HDT950C	0.23	2.2	0.8	0.015	0.080	2.00 max		720-920	950	9
EN10338	HDT1200M	0.25	2.0	0.8	0.015	0.060	2.00 max		900-1150	1200	5

Applications

Our automotive and rail wagon steel grades are suitable for:

Automobile manufacturing: High-strength structural components, safety parts, and lightweight solutions.
Rail wagon production: Durable and reliable steel for railcars, freight wagons, and other railway components.
High-strength engineering: Specialized grades for critical load-bearing applications.

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