ASTM B4

We can produce ASTM B4 stainless steel round rods, ASTM B4 forging,sheet,coil,and profiledstrip,Deformed steel,flat steel,mould,steel wire,have all specifications. With DuoNian production experience, strict control ASTM B4 chemical composition and ASTM B4 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.

ASTM B4 Mechanical properties,Our production completely according to the ASTM B4 standards to meet the ASTM B4 mechanical performance, can also according to the customer request, to meet the requirements of customers of ASTM B4 mechanical properties.

ASTM B4 Heat treatment,Our production completely according to the ASTM B4 standards to meet the ASTM B4 Heat treatment, can also according to the customer request, to meet the requirements of customers of ASTM B4 Heat treatment.

ASTM B4 Machining,Our production completely according to the ASTM B4 standards to meet the ASTM B4 Machining, can also according to the customer request, to meet the requirements of customers of ASTM B4 Machining.

ASTM B4 Welding performance,Our production completely according to the ASTM B4 standards to meet the ASTM B4 Welding performance, can also according to the customer request, to meet the requirements of customers of ASTM B4 Welding performance.