Furnizor de bare din oțel inoxidabil 304L

Descriere

304L Stainless Steel Round Bar

Overview

304L stainless steel round bar is a low-carbon variation of 304 oţel inoxidabil, offering excellent corrosion resistance, weldability, and formability. Its low carbon content minimizes carbide precipitation during welding, making it ideal for use in high-temperature environments where welding is required.

304L is widely recognized for its versatility and cost-effectiveness, making it one of the most commonly used stainless steel grades in various industries.

---

Key Features of 304 Stainless Steel Bar

• Low Carbon Content (L = Low Carbon): Minimizes intergranular corrosion after welding.

• Rezistență excelentă la coroziune: Performs well in a wide range of environments including acids, chlorides, and atmospheric conditions.

• Superior Weldability: Suitable for all standard welding techniques without the need for post-weld annealing.

• Good Formability and Machinability: Easy to cut, form, and fabricate for industrial or architectural needs.

• Non-magnetic in Annealed Condition: May become slightly magnetic after cold working.

---

Available Types of 304L Stainless Steel Bars

Formă	Size Range (mm)	Opțiuni de finisare
Bară rotundă	6mm - 500mm	Hot Rolled, Cold Drawn, Polished
Bara pătrată	10mm × 10mm – 100mm × 100mm	Mill, Bright, Polished
Bară plată	Thickness 3mm – 100mm	Pickled, Brushed, Mirror
Bara hexagonală	8mm – 100mm across flats	Smooth, Turned, Ground

Chemical Composition (Typical Values)

Element	Compoziție (%)
Carbon (C)	≤ 0.030
Mangan (MN)	≤ 2.00
Silicon (SI)	≤ 1.00
Fosfor (P)	≤ 0.045
Sulf (S)	≤ 0.030
Crom (CR)	18.0 - 20.0
Nichel (NI)	8.0 – 12.0
Azot (N)	≤ 0,10

Proprietăți mecanice

Proprietate	Valoare
Rezistență la tracțiune	≥ 485 MPa
Rezistența la randament (0,2%)	≥ 170 MPa
Elongaţie	≥ 40%
Duritate (Brinell)	≤ 201 HB
Densitate	8,0 g/cm³

Specificații standard

• ASTM A276 / A479

• ASME SA479

• EN 10088-3

• JIS G4303

• DIN 1.4307

Dimensiuni disponibile

• Diameter Range: 6mm - 500mm

• Lungime: 1 meter to 6 meters or custom lengths upon request

• Termina: Cold drawn, peeled, polished, bright, black, or custom

---

Aplicații de 304L Stainless Steel Bar

• • Industria alimentelor și a băuturilor: Tanks, processing equipment, piping

  • Industria chimică și petrochimică: Vessels, valves, and fittings

  • Medical and Pharmaceutical Industry: Cleanroom equipment, surgical tools

  • Construction and Architecture: Decorative structures, railing systems

  • Aplicații marine: Piers, fasteners, offshore structures

---

Comparație cu alte grade din oțel inoxidabil

Grad	Tip	Duritate (HRC)	Rezistență la coroziune	Rezistenţă	Weldabilitate	Magnetic
17-4 ph	Ph martensitic	28–44 (HT)	★★★★★ ☆	★★★★★★	★★★★★ ☆	✅ Da
304	Austenitic	≤ 20	★★★★★ ☆	★★ ☆☆☆	★★★★★★	❌ NU
316	Austenitic	≤ 20	★★★★★★	★★ ☆☆☆	★★★★★★	❌ NU
420	Martensitic	50–55	★★ ☆☆☆	★★★★★ ☆	★★ ☆☆☆	✅ Da
440c	Martensitic	55–60	★★ ☆☆☆	★★★★★★	★★ ☆☆☆	✅ Da

✅ = magnetic | ★★★★★★ = Excelent

---

Luați legătura - solicitați citat sau eșantion

Căutând un fiabil Furnizor de oțel inoxidabil în China? Gengfei Steel este sursa ta de încredere. Contactați acum echipa noastră pentru eșantioane gratuite, prețuri sau suport de producție personalizat.