About material

✓ Available from European Stock

• EN 10269
• EN 10204 3.1
• Round Bars
• Worldwide Delivery
• Cut-to-Length Service
• Fast Quotations within 24 Hours

X12CrNiMoV12-3 / 1.4938 / JETHETE® M152 Round Bar Supplier

Looking for X12CrNiMoV12-3, 1.4938 or JETHETE® M152 round bars?

WTE PowerSteel is a European supplier and stockholder of X12CrNiMoV12-3 (1.4938 / JETHETE® M152) round bars manufactured in accordance with EN 10269 requirements. We supply high-quality heat-resistant stainless steel bars with full material traceability, EN 10204 3.1 certification and fast worldwide delivery.

X12CrNiMoV12-3 is a high-strength martensitic heat-resistant stainless steel developed for components operating under high mechanical loads and elevated temperatures. The alloy combines excellent tensile strength, creep resistance and good corrosion resistance, making it suitable for demanding applications in steam turbines, gas turbines, power generation, nuclear industry and petrochemical plants.

Thanks to its excellent mechanical properties after heat treatment, 1.4938 is widely used for manufacturing highly loaded fasteners, turbine components, shafts and other critical engineering parts requiring long service life at elevated temperatures.

Why Choose X12CrNiMoV12-3?

Key Benefits

• High tensile strength
• High yield strength
• Excellent creep resistance
• Very good fatigue resistance
• Good corrosion resistance
• Good oxidation resistance
• Excellent mechanical properties after heat treatment
• Stable performance at elevated temperatures
• Long service life under cyclic loading
• Suitable for temperatures up to approximately 600°C

Typical Applications

X12CrNiMoV12-3 is commonly used for manufacturing:

• Steam turbine fasteners
• Gas turbine fasteners
• High-strength bolts
• Stud bolts
• Shafts
• Turbine rotors
• Turbine discs
• Valve components
• Pressure equipment
• Nuclear power components
• Petrochemical equipment
• Precision machined parts

Industries Served

Our customers use X12CrNiMoV12-3 in:

• Nuclear Power
• Steam Turbines
• Gas Turbines
• Power Generation
• Petrochemical
• Chemical Processing
• Oil & Gas
• Heavy Engineering
• Industrial Equipment
• Mechanical Engineering

Available Product Forms

We supply:

• Round Bars
• Peeled Bars
• Bright Bars
• Forged Bars
• Cut-to-Length Pieces

Available diameters and lengths upon request.

Inspection & Certification

Material can be supplied with:

• EN 10269
• EN 10204 3.1 Inspection Certificate
• Positive Material Identification (PMI)
• Ultrasonic Testing (UT)
• Mechanical Testing
• Customer-specific inspection requirements

International Designations

This material is also known as:

• X12CrNiMoV12-3
• EN 1.4938
• JETHETE® M152
• UNS S64152
• Martensitic Heat Resistant Stainless Steel
• EN 10269 Grade 1.4938

Frequently Asked Questions

What is X12CrNiMoV12-3?

X12CrNiMoV12-3 (1.4938 / JETHETE® M152) is a martensitic heat-resistant stainless steel designed for highly stressed components operating at elevated temperatures. It provides high strength, good corrosion resistance and excellent creep resistance, making it suitable for power generation, nuclear and petrochemical industries.

What is JETHETE® M152?

JETHETE® M152 is the well-known trade name for the EN material grade X12CrNiMoV12-3 (1.4938). It has been widely used for decades in steam and gas turbine applications requiring high mechanical strength and long-term reliability.

What temperature can X12CrNiMoV12-3 withstand?

The material is typically used for long-term service at temperatures up to approximately 600°C, depending on the design conditions and applicable engineering standards.

Do you stock X12CrNiMoV12-3 round bars?

Yes. WTE PowerSteel supplies X12CrNiMoV12-3 (1.4938 / JETHETE® M152) 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, helping to reduce machining time and material waste.

Why Choose WTE PowerSteel?

WTE PowerSteel is a European supplier and stockholder of high-performance stainless steels, heat-resistant steels, nickel alloys and special alloys for nuclear power, power generation, petrochemical and general engineering industries. We supply X12CrNiMoV12-3 (1.4938 / JETHETE® M152) round bars with full material traceability, EN 10204 3.1 certification, fast quotations, cut-to-length service and worldwide delivery.