B7

We can produce B7 stainless steel round rods, B7 forging,sheet,coil,and profiledstrip,Deformed steel,flat steel,mould,steel wire,have all specifications. With DuoNian production experience, strict control B7 chemical composition and B7 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.

B7 Mechanical properties,Our production completely according to the B7 standards to meet the B7 mechanical performance, can also according to the customer request, to meet the requirements of customers of B7 mechanical properties.

B7 Heat treatment,Our production completely according to the B7 standards to meet the B7 Heat treatment, can also according to the customer request, to meet the requirements of customers of B7 Heat treatment.

B7 Machining,Our production completely according to the B7 standards to meet the B7 Machining, can also according to the customer request, to meet the requirements of customers of B7 Machining.

B7 Welding performance,Our production completely according to the B7 standards to meet the B7 Welding performance, can also according to the customer request, to meet the requirements of customers of B7 Welding performance.