Unlock the ultimate material code for heavy-load, corrosion-resistant, and low-temperature working conditions with the power of ternary alloys**

Peak material matrix

A five-dimensional performance revolution

A revolutionary breakthrough in fracture toughness

Ternary composite strengthening achieves a KIC value of ≥160 MPa·m¹/² (three times higher than traditional Cr steel).

◉ 34CrNiMo6 crankshaft: Withstood 3000 tons of alternating load without crack growth**

Ultra-deep through-hardening control

▸ Hardness uniformity >95% across a 200mm diameter section

▸ 18CrNiMo7-6 gears with a carburized layer up to 6mm deep without fading

-196°C cryogenic toughness guardian

40CrNiMoA liquid hydrogen valve:

Charpy impact energy maintained at ≥45J

Fatigue life increased 8 times compared to 316L

Fretting wear prevention solution

Laser cladding of WC-Co coating on 17CrNiMo6:

◼ Fretting wear reduced by 90% (50μm amplitude)

◼ High-temperature critical bite load increased to 1800N**

A closed value loop from steelmaking to precision forging

Typical end products:

8MW wind turbine main shaft (34CrNiMo6): 20-year maintenance-free design life

LNG marine cryogenic valve (40CrNiMoA): -162°C seal, zero leakage

Nuclear power pressure vessel bolts (17CrNiMo6): >60 years of anti-relaxation life

Quality control: Exceeding aviation standards

Key indicators | ASTM standards | Meixinchang

Oxygen content:≤15ppm ≤8ppm

segregation index：≤1.5 level ≤0.8 level

Grain size：≥Level 5 ≥Level 8

Ultrasonic flaw detection：Φ1.2mm equivalent Φ0.5mm equivalent

► Each batch is accompanied by: Hydrogen Induced Cracking (HIC) report + Residual Stress Spectrum + Fracture Toughness Curve

A record of breaking through industry bottlenecks

Choose the irreproducibility of Meixinchang

✅ Advanced Melting Technology: Patented ESR (Electroslag Remelting) production line, achieving aviation-grade purity

✅ Digital Twin Lab: Upload process parameters and receive material-structure optimization solutions within 72 hours

✅ Full Lifecycle Traceability: Laser coding system tracks material service status and provides early warning of replacement cycles

✅ Extreme Manufacturing Commitment: Supports single 50-ton forgings with dimensional accuracy reaching DIN 7526 Class E

Conquering the pinnacle of materials, from the polar regions to deep space!

Xinchang CrNiMo Alloy Steel - Not content with exceeding standards, but reshaping the limits