✓ Available from European Stock

• ASTM A193 Grade B16
• EN 10269
• EN 10204 3.1
• Thread Rolling Bars (TRB)
• Worldwide Delivery
• Cut-to-Length Service
• Fast Quotations within 24 Hours

40CrMoV4-6 Round Bar Supplier

Looking for 40CrMoV4-6, 1.7711 +QT, ASTM A193 Grade B16 or EN 10269 round bars?

WTE PowerSteel is a European supplier and stockholder of 40CrMoV4-6 (1.7711 +QT / ASTM A193 Grade B16) chromium-molybdenum-vanadium alloy steel for demanding high-temperature bolting applications. We supply certified round bars with full material traceability, EN 10204 3.1 certification and fast worldwide delivery.

40CrMoV4-6 is a quenched and tempered chromium-molybdenum-vanadium alloy steel offering excellent high-temperature strength, creep resistance and fatigue resistance. Developed for critical bolting applications, it is widely specified for pressure vessels, steam turbines, boilers and refinery equipment operating under elevated temperatures and high mechanical loads.

The alloy is commonly supplied according to EN 10269 and ASTM A193 Grade B16, making it an ideal material for manufacturing high-strength stud bolts, threaded bars and other pressure bolting components used in power generation, petrochemical and Oil & Gas industries.

Why Choose 40CrMoV4-6?

Compared with conventional chromium-molybdenum alloy steels, 40CrMoV4-6 (1.7711) provides superior high-temperature strength and creep resistance thanks to its vanadium addition. The alloy is widely specified for highly loaded bolting applications requiring reliable long-term performance at elevated operating temperatures.

Key Benefits

• Excellent high-temperature strength
• Outstanding creep resistance
• Excellent fatigue resistance
• Good machinability after heat treatment
• Excellent toughness
• High mechanical strength
• Suitable for pressure bolting
• Thread Rolling Bars (TRB) available
• Long service life
• Reliable performance up to approximately 550°C

Typical Applications

40CrMoV4-6 is commonly used for manufacturing:

• Stud bolts
• Threaded bars
• High-strength bolts
• Steam turbine bolts
• Pressure vessel fasteners
• Heat exchanger bolting
• Valve bolting
• Boiler components
• Precision CNC machined components
• Power generation fasteners
• Petrochemical fasteners
• Heavy engineering parts

Industries Served

Our customers use 40CrMoV4-6 in:

• Power Generation
• Oil & Gas
• Petrochemical
• Chemical Processing
• Pressure Equipment
• Steam Turbines
• Heavy Engineering
• Industrial Equipment Manufacturing

Available Product Forms

We supply:

• Round Bars
• Peeled Bars
• Bright Bars
• Hot Rolled Bars
• Thread Rolling Bars (TRB)
• Cut-to-Length Pieces

Available diameters and lengths upon request.

Inspection & Certification

Material can be supplied with:

• EN 10269
• ASTM A193 Grade B16
• EN 10204 3.1 Inspection Certificate
• EN 10204 3.2
• AD 2000
• PED 2014/68/EU
• PMI (Positive Material Identification)
• Ultrasonic Testing (UT)
• Customer-specific inspection requirements

International Designations

This material is also known as:

• 40CrMoV4-6
• 1.7711
• ASTM A193 Grade B16
• UNS K14072
• 42CDV4
• Alloy Steel 661
• Durehete® 950

Frequently Asked Questions

What is 40CrMoV4-6 steel?

40CrMoV4-6 (1.7711) is a chromium-molybdenum-vanadium alloy steel designed for high-temperature bolting applications requiring excellent creep resistance, mechanical strength and long-term reliability. It is widely used for steam turbines, pressure vessels and refinery equipment.

Is 40CrMoV4-6 suitable for ASTM A193 Grade B16 fasteners?

Yes. 40CrMoV4-6 is the European alloy steel commonly supplied for manufacturing ASTM A193 Grade B16 stud bolts, threaded bars and other critical fastening components used in elevated-temperature service.

What is the equivalent of 40CrMoV4-6?

The closest international equivalents include ASTM A193 Grade B16, UNS K14072, 42CDV4 and Durehete® 950. Material selection should always be verified against the applicable specification and project requirements.

Do you stock 40CrMoV4-6 round bars?

Yes. WTE PowerSteel supplies 40CrMoV4-6 (1.7711 +QT / ASTM A193 Grade B16) round bars from European stock. Please contact our sales team for current stock availability, dimensions and delivery times.

Can you supply cut-to-length material?

Yes. We supply both full-length bars and precision cut-to-length pieces according to customer requirements.

Why Choose WTE PowerSteel?

WTE PowerSteel is a European supplier and stockholder of alloy steels, heat-resistant steels and nickel alloys for power generation, Oil & Gas, petrochemical and heavy industry. We supply 40CrMoV4-6 (1.7711 +QT / ASTM A193 Grade B16) round bars with full material traceability, EN 10204 3.1 certification, fast quotations, Thread Rolling Bars (TRB), cut-to-length service and worldwide delivery.