303 1.4305 acier inoxydable

Nous pouvons produire 303 1.4305 Stainless Steel stainless steel round rods, 303 1.4305 Stainless Steel forging,sheet,coil,and profiledstrip,Deformed steel,flat steel,mould,steel wire,have all specifications. With Bozhong Group production experience, strict control 303 1.4305 Stainless Steel chemical composition and 303 1.4305 Stainless Steel 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.

Barre ronde en acier: 1mm à 3500mm

Acier carré: 1mm à 4000mm

Plate steel:0.1mm to 4000mm

Largeur: 10mm à 2500mm

Lenth: Nous pouvons fournir toute lentille en fonction des besoins du client.

Forger Arbres à flancs / tuyaux / tubes / limaces / beignets / cubes / autres formes

Tubes: OD: φ6-1800mm, avec une épaisseur de paroi allant de 1-35 mm.

État des produits finis: forgeage à chaud / laminage à chaud + recuit / normalisation + revenu / trempe + revenu / toutes les conditions basées sur l'exigence du client

Conditions de surface: à l'échelle (finition de travail à chaud) / rectifié / usinage grossier / usinage fin / en fonction des besoins du client

Fours de traitement métallurgique: arc d'électrode + LF / VD / VOD / ESR / électrode consommable sous vide.

Inspection par ultrasons: 100% inspection ultrasonique pour toutes les imperfections ou basé sur l'exigence du client Excellent service pour toutes sortes d'industries, avec des avantages des technologies, de l'équipement et du prix.

Nous sommes à votre service en toute honnêteté, intégrité et professionnalisme.

Standards – Alloy 303

ASTM/ASME:UNS S30300

EURONORM:FeMi35Cr20Cu4Mo2

VACARME:1.4305

Les propriétés générales

Alloy 303 is a non-magnetic, austenitic stainless steel that is not hardenable by heat treatment. It is the free machining modification of the basic 18% chromium / 8% nickel stainless steel. Alloy 303 was specially designed to exhibit improved machinability while maintaining good mechanical and corrosion resistant properties Due to the presence of sulfur in the steel composition, Alloy 303 is the most readily machineable austenitic stainless steel; however, the sulfur addition does lower Alloy 303’s corrosion resistance to below that of Alloy 304. Like other austenitic grades, Alloy 303 demonstrates excellent toughness, although the sulfur does reduce this a little as well.

Applications

Alloy 303 is frequently used in applications that require parts to be heavily machined. Some examples include:

1、Nuts and bolts

2、Aircraft fittings

3、Gears

4、Screws

5、Shafts

6、Electrical switchgear components

7、Bushings

Résistance à la corrosion

• Good resistance to mildly corrosive atmospheres, but significantly less than Alloy 304
• When additional sulfur is added to improve machinability, it can often slightly reduce corrosion resistance
• In most dry and mild corrosive environments, Alloy 303 is comparable to other unmodified alloys
• Should not be exposed to moist, marine environments as it is subject to rapid-pitting corrosion and a rust film will tend to form
• Like other common austenitic stainless steels, it is subject to corrosion cracking in chloride environments above 60^oC

Résistance à la chaleur

• Good oxidation resistance at temperatures up to 1700^oF (927 ^oC)
• Continuous use at temperatures above 1400^oF (760^oC) is not usually recommended due to carbide precipitation which can lead to irregular scaling
• Does not have a low carbon content so it is also vulnerable to sensitisation

Chemical Properties:

%	Cr	Ni	C	Si	Mn	P	S	Mo	Fe
303	min: 17.0 max:19.0	min: 8.0 max: 10.0	0.15 max	1.00 max	2.0 max	0.20 max	0.15 min	0.75	équilibre

Propriétés mécaniques:

Grade	Résistance à la traction ksi (min.)	Yield Strength 0.2% Offset ksi (min.)	Elongation - % in 50 mm (min.)	Dureté (Brinell) MAX	Dureté (Rockwell B) MAX
303	75	30	35	228