KEMAJUAN
Hot-rolled Q355B (16Mn) low-alloy high-strength round bar for shafts, bolt, structural components and machinery parts.
Q355B carbon steel round bar is a hot-rolled low-alloy high-strength structural steel (former 16Mn) dengan 355 MPa minimum yield. It is widely used in engineering machinery, jambatan, ships and construction where Q235 strength is not enough.
Kelebihan Utama
Komposisi Kimia (Q355B)
| unsur | C | Dan | Mn | P | S |
|---|---|---|---|---|---|
| kandungan % | ≤ 0.24 | ≤ 0.55 | 1.00 – 1.60 | ≤ 0.035 | ≤ 0.035 |
Sifat Mekanikal
- Kekuatan tegangan (σb): 470 – 630 MPa
- Kekuatan hasil (σs): ≥ 355 MPa (≤ 16 mm tebal)
- Pemanjangan (d): ≥ 21 %
- Kesan (Charpy V): ≥ 34 J pada +20 °C
Saiz Standard
| Parameter | Julat |
|---|---|
| Diameter | 16 – 300 mm |
| Panjang | 3 – 6 m (dipotong mengikut panjang) |
| Permukaan | Hitam / dikupas / terang |
| Standard | GB/T 1591 / equivalent ASTM A572 Gr.50 |
Aplikasi
Q355B round bar is used for shafts, bolts and nuts, gear, crane hooks, bridge components, rangka trak, structural columns and heavy machinery parts. For general Q235B round bar see our Q235B round bar; for high-strength plate see Plat Q355B.
Memproses & Pembungkusan
Memotong, berpusing, peeling and CNC machining available. Bar diikat dalam berkas pada palet kayu.
Hantar diameter, panjang dan kuantiti — kami mengesahkan harga dalam 24 jam.
DAPATKAN SEBUT HARGA
