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Product Zone

Ultra-high Strength Steel

Ultra-high strength steel is a type of alloy steel used for manufacturing the structural components subjected to high stress Our main products are: 300M, DA6C series low alloy ultra-high strength steel; AF1410, A100 series ultra-high strength secondary hardened steel; Maraging 200 and 300 series Maraging steel. Those products are mainly used in aviation & aerospace, nuclear reactors, and petrochemical fields.

　

  • Low Alloy Ultra-high Strength Steel

  • High Alloy Ultra-high Strength Steel

  • Maraging Steel

American Grade

Chinese Grade

Other Equivalents

Main Applications

AISI

UNS

300M

K44220

40CrNi2Si2MoVA

4340M

Forgings of mandrels, drill rods, gears, aircraft undercarriage, structural parts

D6AC

45CrNiMo1VA

Solid rocket engines and missile housings, automotive parts

American Grade

Chinese Grade

Other Equivalents

Main Applications

AISI

UNS

S46500

015Cr11Ni11MoTi

Aviation & aerospace, nuclear reactors, petrochemical, medical

PH13-8Mo (XM-13)

S13800

0Cr13Ni8Mo2Al

Aviation & aerospace, nuclear reactors, petrochemical

K92580

23Co14Ni1Cr3MoE

Alloy 100

Aircraft undercarriage, aviation & aerospace load bearing components

K92571

16Co14Ni10Cr2MoE

AF1410

Aircraft undercarriage, aviation & aerospace load bearing components

American Grade

Main Applications

UNS

AISI

Maraging 350

K93160

Highest-strength maraging grade for specialized defense, missile, and racing applications.

Maraging 300

K93120

300 ksi grade for critical aerospace and defense components requiring maximum strength-to-weight ratio.

Maraging 250

K92890

250 ksi grade for rocket motor cases, aircraft landing gear, and high-stress fixtures.

Maraging 200

K92810

Ultra-high-strength maraging steel for aerospace frames, tooling, and structural components.

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