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Stainless Steel

Stainless Steels are commonly divided into martensite steel, ferrite steel, austenite steel, duplex (ferritic-austenitic) steel and precipitation hardening stainless steel. S17400 ASTM 2205

Heat Resistant Steel

Heat-resistant steel means one type of steel possesses inoxidizability, enough high-temperature strength and excellent heat- resistant quality under high temperature. Heat resistant steel is divided into oxidation resistant steel and refractory steel according to its performance. Further into Austenitic heat-resistant steel, Martensitic heat-resistant steel, Ferritic heat-resistant steel and Pearlitic heat-resistant steel according to its normalizing.


Superalloy is a kind of metal material that operating under high temperature above 600℃ and certain stress condition for a long time. It holds combination properties, such as exellent high temperature strength, antioxidation and heat resist- ance corrosion property, favourable fatigue property, fracture toughness property. which has become irreplaceable key material of hot end parts for military and civilian gas turbine engine.

Tool Steel

High Speed Steel

High speed steel (abbreviated HSS), a sub-branch of tool steels, commonly used in tool bits and cutting tools. HSS is a complex steel with carbon content 0.70~1.65% generally, and alloying elements composition can reach totally 10~25%. HSS is ferrous based alloys of the Fe–C–X multicomponent system where X represents a group of alloying elements comprising mainly Cr, W or Mo, V, and Co.

Structural Steel

Structural steel means one type of steel conforms to specific strength and forming property grade that is expressed by interruption elongation during the tensile test. Structural steels are normally used to load bearing, and steel strength is a key design standard in those purposes.


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AISI 414

Stainless Steel Manufacturer- From State-owned Military Industrial Enterprise

Heat Treatment
Heat treatment is only suitable for specific grades of Stainless steel. When heat treating a stainless the hardening temperatures, including rate of heating, cooling and soaking times will vary due to several factors such as the shape and size of each component. Other considerations during the heat treatment process include the type of furnace, quenching medium and work piece transfer facilities. Please consult with the heat treatment provider for whole guidance on heat treatment of stainless steel grades.
We are delighted to help work with you the special heat treatment based on your special requirements.

LonghaiSteel Co.,Ltd  is Manufacturer and Supplier of AISI 414 Martensitic Stainless steel with superior quality and competitive quotation, Located in the Chinese Wellknown Special steel manufacturing industry base and processing center.
If you do not find the Martensitic Stainless steel specification you enquire on website, please also contact our technical development department who may be able to assist you with your Specific enquiry. We will supply you with our sincerity, integrity, and professionality.
Specific feature is as follows for reference:

Round bar steel (Diameter): 1mm to 3000mm
Square bar: 1mm to 2000mm
Plate/Sheet steel: 0.1mm to 2500mm
Width: 10mm to 2500mm
Length: random length or based on the customer's special requirement.
Forged steel shape: Shafts with flanks /pipes /tubes /slugs /donuts /cubes /other shapes.
Pipes / Tubings: OD: φ6-219 mm, with wall thickness ranging from 1-35 mm.
Finished goods condition: hot forging/hot rolling + annealing/normalizing + tempering/quenching + tempering
                                                  any other conditions based on the customer's requirement
Surface conditions: scaled (hot working finished)/ground/rough machining/fine machining
                                        based on the customer's special requirements.
Furnaces for metallurgical processing: electrode arc Furnace + LF/VD/VOD/ESR/Vacuum consumable electrode.
Ultrasonic inspection: 100% ultrasonic inspection for any inperfection or based on the customer's requirement.
                                           Excellent service for all kinds of industries
                                              With advantages of technologies, equipment and price strategy.

Stainless Steel | Heat Resistant Steel | Superalloy | Tool Steel | High Speed Steel | Structural Steel |

Copyright 2003 - 2011 LonghaiSteel Co.,Ltd is mainly engaged in a vast range of Special steels - Rod and bar, Square bar, Flat bar, Ring forging.
Multidiameter shaft, Heavy plate and Tubings.

Phone No.: +86-816-3307163 | Fax No.:+ 86-816-3639422 | Mobile: 1538 6611 557 
E-mail:  Homepage:
Address: No.119, Jiangdong Road, Sanhe Town, 621700, Jiangyou, Scihuan, China

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