EN 16 Carbon Steel
We are EN 16 Carbon Steel Manufacturers, Suppliers, and Exporters in Mumbai, India. STEEL MART is an ISO 9001:2015 certified company established in 1986, with decades of experience in supplying high-quality carbon and alloy steel products to various industries. We specialize in manufacturing and supplying EN 16 Carbon Steels (BS 970 605M36) that meet national and international quality standards for heavy engineering, automotive, defense, and industrial machinery applications. EN 16 Carbon Steel is a high tensile manganese-molybdenum alloy engineering steel known for its exceptional tensile strength, outstanding impact toughness, high resistance to shock loading, and freedom from temper brittleness. This grade is widely used in critical engineering components requiring high strength, ductility, and reliability under heavy shock and torsional stress. EN 16 is typically supplied in quenched and tempered (Q&T), normalized, or bright drawn condition, ensuring consistent and reliable mechanical performance. This carbon steel grade is widely used for manufacturing crankshafts, axles, connecting rods, high-duty bolts, studs, gears, and pinions.
Our EN 16 Carbon Steels are 100% Prime – Tested & Guaranteed, ensuring precise chemical composition, dimensional accuracy, and consistent mechanical properties. Each product is supplied with proper Mill Test Certificates (MTC) confirming compliance with BS 970 / EN standards. STEEL MART follows strict quality control procedures and ensures timely delivery.
What is EN 16 Carbon Steel?
EN 16 Carbon Steel (BS 970 605M36) is a high-tensile manganese-molybdenum alloy steel grade designed for components requiring high strength, superior shock resistance, freedom from temper brittleness, and high fatigue endurance. Supplied in quenched and tempered (Q&T), normalized, or bright drawn conditions, it provides exceptional reliability for crankshafts, heavy axles, connecting rods, and high-duty fasteners.
High Tensile Strength
Delivers up to 925 MPa tensile strength for high stress applications.
Good Machinability
Readily machined in heat-treated condition for precision components.
High Impact Toughness
Manganese-moly alloy structure ensures extreme shock resistance.
Oil Quenching & Tempering
Uniform through-hardening with high ductility and zero temper brittleness.
Fatigue Endurance
Withstands severe torsional stress and continuous vibration.
Certified Quality
Supplied with full MTC and strict quality compliance.
Why Choose STEEL MART for EN 16 Carbon Steel
STEEL MART is the preferred choice for purchasing EN 16 Carbon Steel due to its strong reputation for quality and reliability. With over 40 years of experience in the steel industry, the company ensures that every product meets strict industry standards. The company follows strict quality inspection procedures to ensure that every EN 16 Carbon Steel product meets international standards.
Each product is carefully tested to ensure durability, strength, and performance. Customers trust STEEL MART for consistent quality, competitive pricing, and timely delivery. The company maintains a large inventory to meet urgent and bulk requirements efficiently. In addition to EN 16 Carbon Steels, STEEL MART also supplies a wide range of carbon steel and alloy steel products for various industrial applications.
Chemical Composition of EN 16 Carbon Steel
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.32 – 0.40 % |
| Manganese (Mn) | 1.30 – 1.70 % |
| Molybdenum (Mo) | 0.22 – 0.35 % |
| Silicon (Si) | 0.10 – 0.35 % |
| Sulphur (S) | 0.050 % Max |
| Phosphorus (P) | 0.050 % Max |
This chemical composition provides exceptional toughness, high strength, and freedom from temper brittleness.
Equivalent Grades of EN 16 Carbon Steel
| Standard | Equivalent Grade |
|---|---|
| BS 970 | 605M36 / EN 16 / EN 16D |
| AISI / SAE | 1040 / 1340 / 4140 |
| DIN / W.Nr. | 36Mn6 / 1.1127 |
| EN | 36Mn6 / 1.1127 |
| JIS | SMn438 |
These equivalent grades ensure global compatibility across engineering standards.
Mechanical Properties of EN 16 Carbon Steel
The mechanical properties of EN 16 Carbon Steels make them ideal for heavy machinery, shafts, crankshafts, and high-duty fasteners. In quenched & tempered condition, this grade offers elevated tensile strength, high yield strength, and outstanding impact resistance.
Heat Treatment & Processing of EN 16 Carbon Steel
EN 16 Carbon Steels respond exceptionally well to oil quenching and tempering for high toughness.
Normalizing
Heated to 850°C–880°C and air-cooled to refine grain structure.
Oil Quenching
Heated to 830°C–860°C and quenched in oil for deep through-hardening.
Tempering
Reheated to 550°C–660°C to achieve optimum tensile strength and toughness.
Induction / Flame Hardening
Surface hardening up to 55–60 HRC for extreme friction components.
EN 16 Carbon Steel Industry Applications
EN 16 Carbon Steels are widely used across high-stress engineering sectors.
Automotive Crankshafts & Axles
Used for heavy-duty crankshafts, drive axles, and spindles.
Connecting Rods & Engines
Used for connecting rods, levers, and steering knuckles.
Gears & Pinions
Used for high-stress gears, transmission pinions, and couplings.
High Duty Fasteners
Used for heavy studs, bolts, and safety critical fasteners.
Hydraulic & Earthmoving
Used in hydraulic rams, excavator shafts, and cylinder rods.
Heavy Machinery
Used in press shafts, machine tool spindles, and rotors.
Availability and Customization
At STEEL MART, we supply EN 16 Carbon Steels in a wide range of sizes and specifications.
| Diameter | Diameter ranging from 10 mm to 400 mm |
| Condition | Available in As-Rolled / Normalized / Q&T / Bright Drawn condition |
| Length | Standard lengths from 3 meters to 6 meters |
| Finish | Bright drawn, black hot rolled, and turned finish available |
| Customization | Custom cut sizes available as per project requirements |
| Services | Machining, cutting, turning, and grinding services available |
| Certification | Supplied with Mill Test Certificates and inspection reports |
Our strict quality control ensures consistent quality.
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EN 16 Carbon Steel (BS 970 605M36) is a high-tensile manganese-molybdenum alloy engineering steel widely used in automotive, hydraulic, and heavy machinery manufacturing. With its high tensile strength (775–925 MPa), outstanding shock toughness, and freedom from temper brittleness, it provides long-term reliability for crankshafts, drive axles, connecting rods, and high-duty fasteners. Supplied by STEEL MART with strict quality control and Mill Test Certification, EN 16 Carbon Steel is a dependable solution for safety-critical engineering applications.
Frequently Asked Questions
Common answers regarding EN 16 Carbon Steel specifications and parameters.
Its manganese-molybdenum chemical alloy provides higher tensile strength (775–925 MPa), superior impact toughness, and freedom from temper brittleness.
Yes, it is typically supplied in oil-quenched and tempered (Q&T) condition for optimum tensile strength and shock resistance.
BS 970 605M36, AISI 1340 / 4140, and DIN 36Mn6 (1.1127).
Crankshafts, drive axles, connecting rods, high-duty bolts, studs, transmission pinions, and steering knuckles.
Round bars, Flat bars, Hex bars, Plates, Sheets, and custom cut sizes.