Longhai Special Steel
Materials engineered for demanding industries
Special steel and stainless steel solutions for turbine blades, aerospace components and critical industrial applications.
Steel Categories
Explore our specialist grades and material families.
Steels of Blade for Steam and Gas Turbine
Discover grades, properties and available forms.
Explore →Fasteners
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Explore →Non-magnetic Steel
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Explore →Aerospace
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Explore →Special steels
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Explore →High Temperature Alloys
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Special-purpose materials and technical expertise.

Turbine Blade Steel
Specialty steels for steam and gas turbine blades, fasteners and high-temperature rotating parts.
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Non-Magnetic Steel
Non-magnetic grades for demanding electrical, marine and industrial environments.
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Special & Stainless Steel
Special steels, stainless steels and high-temperature alloys for critical applications.
View gradesUpdated Steel Grades
Latest technical data for our core materials.
AM 355 Stainless Steel (UNS S35500 / Alloy 355) | Alloy 355 / AMS 5547 / AMS 574
Learn about AM 355 stainless steel (UNS S35500) including properties, chemical composition, AMS 5547, AMS 5743 standards, and aerospace applications of Alloy 355.
View details →A100, Alloy 100, UNS K92580, AerMet 100
AerMet 100 (Alloy 100/UNS K92580)—high-strength steel used in aerospace. Includes fatigue curves, CTOD fracture toughness, crack growth rates, microstructure analysis, and processing insights.
View details →1.4418, X4CrNiMo16-5-1, Z8CND17-04
1.4418, X4CrNiMo16-5-1, Z8CND17-04 Martensitic stainless steel have high tensile properties acc. to EN 4628-2013, AIR 9160/C
View details →15CDV6, 12CrMoV6-9, 14CrMoV6-9, 15CrMoV5-10
15CDV6 is a low-alloy chromium-molybdenum-vanadium steel commonly used for manufacturing high-strength and high-temperature application components, such as parts in the aerospace industry and automotive engine components. This material possesses excellent
View details →1.4906, X12CrMoWVNbN10-1-1, T505SC
1.4906, X12CrMoWVNbN10-1-1 - Alloy special steel for elevated temperatures for larger forgings, acc to SEW 555:2001-01 and Siemens MAT238053 and TLV925812 This TLV is valid for steel bars with a 0.2% proof strength of 750 N/mm' minimum.
View details →X40MnCrN19, 1.3813 washer
X40MnCrN19, non-magnetic steels, rust and acid resistant, 1.3813 is used in the following applications: Mechanical engineering, Connecting parts, Thermally stressed. X40MnCrN19 is often supplied in a hot-cold-formed version. acc. to TLV 9384 01, SEW 390,
View details →XM-25, UNS S45000, 1.4594, X5CrNiMoCuNb14-5, Custom 450
XM-25, UNS S45000, 1.4594, X5CrNiMoCuNb14-5, Custom-450, K11C88A martensitic age-hardenable stainless steel which exhibits very good corrosion resistance with strength.
View details →1.4872, X25CrMnNiN25-9-7
X25CrMnNiN25-9-7 is a nitrogen-enhanced austenitic stainless steel known for its high strength, excellent corrosion resistance, and good toughness even at elevated temperatures. It is part of the EN standard stainless steel grades and is widely used in de
View details →AISI 422, SUH 616, B50A951, 1.4935, X20CrMoWV12-1
AISI 422, 1.4935, X20CrMoWV12-1, B50A249 S12, B50A951, martensitic stainless steels are high-alloy steels mainly used turbine blades, power plants
View details →36CrNiMo16, 1.6773
36CrNiMo16 is a low-alloy steel grade that belongs to the EN 10083 standard and AIR 9160/C. It is primarily used in the manufacturing of components and parts that require high strength and toughness.
View details →1.4313, X3CrNiMo13-4, F6NM, S41500
Martensitic stainless steel 1.4313, X3CrNiMo13-4, F6NM, UNS S41500, AISI 415 is a martensitic grade with high corrosion resistance, which exhibits good durability after good heat treatment.The mechani
View details →PH 13-8Mo, UNS S13800, X3CrNiMoAl13-8-2, 1.4534
PH13-8Mo, 13-8Mo, X3CrNiMoAl13-8-2 / 1.4534 utilizes precipitation strengthening (age-hardening) technology and is suitable for industries such as aerospace, petroleum, and petrochemicals.
View details →Real-Time Stock Availability
Current stock for immediate delivery.
| Grade | Shape | Dimension | Quantity | Weight | Condition |
|---|---|---|---|---|---|
| 1.4913, X19CrMoVNbN11-1 | Plate | 6.5x1000x2000 | 4268 | HR, polished | |
| 1Х12Н2ВМФ, ЭИ961 | Round bar | Ф6*2000-3000 | 278 | +C | |
| 13Х11Н2В2МФ, ЭИ961 | Round bar | Ф10*2000-3000 | 271 | +C | |
| 13Х11Н2В2МФ, ЭИ961 | Round bar | Ф12*2000-3000 | 268 | +C | |
| 13Х11Н2В2МФ, ЭИ961 | Hex bar | S12*2000-3000 | 290 | +C | |
| 13Х11Н2В2МФ, ЭИ961 | Round bar | ø5.5x1000~3000 | 314 | +C | |
| 36CrNiMo16 | Round bar | Φ130 | 3642 | Annealed | |
| 36CrNiMo16 | Round bar | Φ130 | 1386 | Annealed | |
| Alloys 800H | Round bar | Φ30 | |||
| UNS N08810 | Round bar | Φ63 | |||
| Alloys 800H | Round bar | Φ65 | |||
| Alloys 800H | Round bar | Φ73 | |||
| UNS N08810 | Round bar | Φ75 | |||
| UNS N08810 | Round bar | Φ80 | |||
| UNS N08810 | Round bar | Φ83 | |||
| UNS N08810 | Round bar | Φ88 | |||
| UNS N08810 | Round bar | Φ98 | |||
| UNS N08810 | Round bar | Φ127 | |||
| UNS N08810 | Round bar | Φ140 | |||
| UNS N08810 | Round bar | Φ150 |
Technical Articles
Recent notes on grades, heat treatment, and applications.
- AMS 6304 Alloy: Properties, Applications, and Technical Specifications
- AM 355 Stainless Steel: The Ultimate Alloy for High-Strength, Corrosion-Resistant Applications
- St12T, X22CrMoV12-1 Steel bars Creep resistant
- GTD 450 / C450 / UNS S45000 Stainless Steel Overview
- STAINLESS STEEL BAR AND FORGING Cr-Ni-Cu-Cb-Fe ALLOY - GTD-450
- ASTM A437/A437M Grade B4B Steel

