Ang A387 Grade 11 Class 2 alloy steel (ASTM standard), katumbas ng 13CrMo4-5 (EN standard) at 12Cr1MoV (GB standard), ay isang chromium-molybdenum alloy steel na partikular na ininhinyero para sa serbisyo sa mataas na temperatura at presyon. Nagbibigay ito ng mahusay na creep strength, oxidation resistance, at thermal stability, kaya mainam itong gamitin sa mga boiler, pressure vessel, at heat exchanger.
Mga Benepisyo:
Lakas ng Mataas na Temperatura: Pinapanatili ang integridad ng istruktura sa ilalim ng matagal na pagkakalantad sa mataas na temperatura.
Creep Resistance: Napakahusay na pagganap sa ilalim ng tuluy-tuloy na thermal stress.
Magandang Weldability: Angkop para sa paggawa ng malalaking welded pressure equipment.
Oxidation at Corrosion Resistance: Pinahusay na resistensya sa malupit na kapaligiran na may singaw o mga corrosive na gas.
| Paggamot sa init | Temperatura | Katamtaman | Layunin |
| Normalizing | 900–950°C | Pinalamig ng hangin | Pinopino ang istraktura at pinapabuti ang lakas |
| Tempering | 650–720°C | Paglamig ng hangin (Mga Pamantayan sa Industriya) | Pinahuhusay ang katigasan at katatagan |
| Post-Weld Heat Treatment (PWHT) | 550–650°C (Mga Pamantayan sa Industriya) | Paglamig ng hurno (Mga Pamantayan sa Industriya) | Upang mapawi ang stress at mapabuti ang mga mekanikal na katangian |
Mga Application:
Mga steam boiler at superheater
Mga pressure vessel at reactor
Mga heat exchanger at header
Refinery at chemical plant equipment
Mga bahagi ng nuclear at thermal power station
Availability:
Available sa Continuous Casting Steel / Steel Ingots / Steel Plate / Customized Steel.
Alloy na bakal
| Mga Katumbas ng Marka | Mga Katangiang Mekanikal(Q T) | Katigasan | Komposisyon ng Kemikal(%) | ||||||||||||||
| AISI/ASTM | EU | GB | Makunot /MPa | ani /MPa | Pagpahaba/% | Pagbawas ng lugar/% | Enerhiya ng Epekto/J | N/HB | Q T/HB | C | Si | Mn | P | S | Cr | Mo | Iba pa |
| A572 Gr.50 | S355JR/ST52-3 | Q355E | ≥450 | ≥345 | ≥18 | ≥40 | ≥20 | 150 - 180 | 180 - 220 | ≤0.23 | ≤0.60 | 1.30 - 1.65 | ≤0.035 | ≤0.035 | - | - | N≤0.012, Cu≤0.55 |
| 4118 | 20CrMoS4/20CrMo5 | 20CrMo | ≥540 | ≥350 | ≥15 | ≥45 | ≥25 | 140 - 180 | 180 - 220 | 0.18 - 0.23 | 0.15 - 0.35 | 0.70 - 0.90 | ≤0.035 | ≤0.035 | 0.40 - 0.60 | 0.08 - 0.15 | - |
| 4130 | 34CrMo4/25CrMo4 | 30CrMo | ≥670 | ≥435 | ≥16 | ≥50 | ≥30 | 170 - 200 | 220 - 260 | 0.28 - 0.33 | 0.15 - 0.35 | 0.70 - 0.90 | ≤0.035 | ≤0.035 | 0.80 - 1.10 | 0.15 - 0.25 | - |
| 4140 | EN 19/42CRMO4 | 42CrMo | ≥850 | ≥655 | ≥12 | ≥45 | ≥25 | 180 - 230 | 270 - 320 | 0.38 - 0.43 | 0.15 - 0.35 | 0.75 - 1.00 | ≤0.035 | ≤0.035 | 0.80 - 1.10 | 0.15 - 0.25 | - |
| 5120 | 20Cr4 | 20Cr | ≥500 | ≥350 | ≥16 | ≥50 | ≥30 | 140 - 180 | 180 - 220 | 0.17 - 0.22 | 0.15 - 0.35 | 0.70 - 0.90 | ≤0.035 | ≤0.035 | 0.70 - 0.90 | - | - |
| 5140 | 41Cr4 | 40Cr | ≥700 | ≥450 | ≥14 | ≥45 | ≥25 | 170 - 220 | 250 - 300 | 0.38 - 0.44 | 0.15 - 0.35 | 0.70 - 0.90 | ≤0.035 | ≤0.035 | 0.70 - 0.90 | - | - |
| A387 Gr.11 CL2 | 13CrMo4-5 | 12Cr1MoV | ≥520 | ≥310 | ≥18 | ≥45 | ≥27 | 140 - 160 | 180 - 220 | 0.08 - 0.15 | 0.17 - 0.37 | 0.40 - 0.70 | ≤0.035 | ≤0.035 | 0.90 - 1.20 | 0.25 - 0.35 | V 0.15 - 0.30 |
| SAE 52100 | 100Cr6 | GCr15 | ≥2000 | ≥1400 | ≥5 | ≥20 | ≥10 | 300 - 400 | 640 - 730 | 0.95 - 1.05 | 0.15 - 0.35 | 0.25 - 0.45 | ≤0.025 | ≤0.025 | 1.30 - 1.60 | - | Ni ≤0.25 Cu≤0.25 |
| F11/P11 | 13CrMo4-5 | 15CrMo | ≥420 | ≥205 | ≥20 | ≥50 | ≥20 | 140 - 160 | 180 - 210 | 0.05 - 0.15 | ≤0.50 | 0.30 - 0.60 | ≤0.035 | ≤0.035 | 1.00 - 1.50 | 0.44 - 0.65 | - |
| F21/P22 | 10CrMo9-10 | 12Cr2Mo | ≥420 | ≥205 | ≥20 | ≥50 | ≥20 | 140 - 160 | 180 - 220 | 0.05 - 0.15 | ≤0.50 | 0.30 - 0.60 | ≤0.035 | ≤0.035 | 2.00 - 2.50 | 0.87 - 1.13 | |
| F91/P91 | X10CrMoVNb9-1 | - | ≥585 | ≥415 | ≥18 | ≥50 | ≥40 | 180 - 220 | 190 - 250 | 0.08 - 0.12 | 0.20 - 0.50 | 0.30 - 0.60 | ≤0.020 | ≤0.010 | 8.00 - 9.50 | 0.85 - 1.05 | - |
| 9260 | 60SiCr7 | 60Si2Mn | ≥1200 | ≥1000 | ≥8 | ≥30 | ≥15 | 200 - 250 | 430 - 480 | 0.56 - 0.64 | 1.50 - 2.00 | 0.60 - 0.90 | ≤0.030 | ≤0.035 | ≤0.35 | - | - |
| H13 | X40CrMoV5-1 | 4Cr5MoSiV1 | ≥1500 | ≥1300 | ≥7 | ≥30 | ≥20 | 180 - 220 | 450 - 500 | 0.32 - 0.45 | 0.80 - 1.20 | 0.20 - 0.50 | ≤0.030 | ≤0.030 | 4.75 - 5.50 | 1.10 - 1.75 | V 0.80 - 1.20 |
No.1317 Gangcheng Road, Daxin Town, Zhangjiagang, Jiangsu, China
WhatsApp:+86-151 5156 6388 Terry Huang
+86-151 5156 6388 Terry Huang
+86-138 1299 2607 Maggie Xia
Terry Huang -Bise Presidente ng Benta
[email protected]
Maggie Xia -Bise Presidente ng Benta
[email protected]
