NA40

We can produce NA40 stainless steel round rods, NA40 forging,sheet,coil,and profiledstrip,Deformed steel,flat steel,mould,steel wire,have all specifications. With DuoNian production experience, strict control NA40 chemical composition and NA40 mechanical properties.From casting, forging, steel to hot and cold rolling process, heat treatment, etc, we have the control of professional engineers. We have advanced precision machining equipment, according to the requirements of users machining. in order to achieve the most satisfied with the user requirements.

Round bar steel: 1mm to 3500mm
Square-shape steel: 1mm to 4000mm
Plate steel:0.1mm to 4000mm
Width: 10mm to 2500mm
Lenth: We can supply any lenth based on the customer's requirement.
Forging: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes
Tubings: OD: φ6-1800mm, with wall thickness ranging from 1-35 mm.
Finished goods condition: hot forging/hot rolling + annealing/normalizing + tempering/quenching + tempering/any conditions based on the customer's requirement
Surface conditions: scaled (hot working finish)/ground/rough machining/fine machining/based on the customer's requirement
Furnaces for metallurgical processing: electrode arc + LF/VD/VOD/ESR/Vacuum consumable electrode.
Ultrasonic inspection: 100% ultrasonic inspection for any inperfections or based on the customer's requirementExcellent service for all kinds of industries,with advantages of technologies, equipment and price.
We serve you with our honesty, integrity, and professionality.

NA40 Mechanical properties,Our production completely according to the NA40 standards to meet the NA40 mechanical performance, can also according to the customer request, to meet the requirements of customers of NA40 mechanical properties.

NA40 Heat treatment,Our production completely according to the NA40 standards to meet the NA40 Heat treatment, can also according to the customer request, to meet the requirements of customers of NA40 Heat treatment.

NA40 Machining,Our production completely according to the NA40 standards to meet the NA40 Machining, can also according to the customer request, to meet the requirements of customers of NA40 Machining.

NA40 Welding performance,Our production completely according to the NA40 standards to meet the NA40 Welding performance, can also according to the customer request, to meet the requirements of customers of NA40 Welding performance.