Longhai Special Steel

Materials engineered for demanding industries

Special steel and stainless steel solutions for turbine blades, aerospace components and critical industrial applications.

Updated 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.

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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.

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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

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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

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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.

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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,

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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.

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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

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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

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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.

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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

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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.

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Real-Time Stock Availability

Current stock for immediate delivery.

GradeShapeDimensionQuantityWeightCondition
1.4913, X19CrMoVNbN11-1Plate6.5x1000x20004268HR, polished
1Х12Н2ВМФ, ЭИ961Round barФ6*2000-3000278+C
13Х11Н2В2МФ, ЭИ961Round barФ10*2000-3000271+C
13Х11Н2В2МФ, ЭИ961Round barФ12*2000-3000268+C
13Х11Н2В2МФ, ЭИ961Hex barS12*2000-3000290+C
13Х11Н2В2МФ, ЭИ961Round barø5.5x1000~3000314+C
36CrNiMo16Round barΦ1303642Annealed
36CrNiMo16Round barΦ1301386Annealed
Alloys 800HRound barΦ30
UNS N08810Round barΦ63
Alloys 800HRound barΦ65
Alloys 800HRound barΦ73
UNS N08810Round barΦ75
UNS N08810Round barΦ80
UNS N08810Round barΦ83
UNS N08810Round barΦ88
UNS N08810Round barΦ98
UNS N08810Round barΦ127
UNS N08810Round barΦ140
UNS N08810Round barΦ150