Vertex Alloy
Industrial metal background

Nimonic PK33 Plate Supplier | High-Temperature Nickel Superalloy

合金钢板材
Nimonic PK33 plate (Ni-Cr-Co-Mo precipitation-hardened superalloy to D.T.D. 5057 / MSRR 7166) supplied by Shanghai Vertex Alloy Co., Ltd — solution-treated and aged plate 5–60 mm thick with tensile strength ~1127 MPa, 10,000 h rupture strength ~208 MPa at 815°C, superb weldability and thermal-fatigue resistance for gas turbine combustor fabrications.
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产品描述

上海顶点合金有限公司（Shanghai Vertex Alloy Co., Ltd，简称 Vertex Alloy）供应 Nimonic PK33 镍基合金板（Alloy PK33，Special Metals Nimonic 系列真空冶炼镍-铬-钴沉淀硬化高温合金，执行 D.T.D. 5057 / MSRR 7166·7195，法国 AFNOR NC 19 KDu，无 UNS/ASTM/国标直接对应牌号）。PK33 通过 γ′（Ni₃(Al,Ti)）沉淀硬化与 5–9% 钼固溶强化，兼具优异的高温强度、蠕变抗力与塑性：固溶+时效态室温抗拉约 1127 MPa、0.2% 屈服约 664 MPa；815°C 万小时持久强度约 208 MPa。该合金专为焊接高温结构件开发，用以替代 Nimonic 80A/90，焊接性优异、抗热冲击与热疲劳性能突出，是航空燃气轮机燃烧室火焰筒、加力燃烧室、排气管段及工业炉高温段壳体等焊接构件的首选板材。板材厚度 5–60mm，固溶态或两阶段热处理态交货，附 EN 10204 3.1 材质证明，并可提供薄板/带材、棒材、锻坯及焊丝。

尺寸范围

  • 5–60 mm THK

牌号标准

标准体系数值
NIMONIC alloy PK33 (Special Metals / Wiggin)-
D.T.D. 5057-
MSRR 7166 / MSRR 7195-
NC 19 KDu-

化学成分

元素数值
NiBalance (max ~54)
Cr16.0–20.0
Co12.0–16.0
Mo5.0–9.0
Ti1.5–3.0
Al1.7–2.5
Fe≤ 1.0
Si≤ 0.50
Mn≤ 0.50
Cu≤ 0.20
C≤ 0.07
Zr≤ 0.06
B≤ 0.005
S≤ 0.015

机械性能

性能数值
Tensile Strength (20°C)~1127 MPa
0.2% Yield Strength (20°C)~664 MPa
Elongation ~33%
Reduction of Area ~41%

物理性能

性能单位数值
Density-8.21 g/cm³
Melting Range-1300–1345°C
Specific Heat-419 J/kg·K
Thermal Conductivity-~11.3 W/m·K (20°C)
CTE (20–500°C)-13.1 × 10⁻⁶ /K
Elastic Modulus-217 GPa (20°C)
Electrical Resistivity-1.26 μΩ·m
Heat Treatment-Solution 1100–1120°C + Aging 4 h/850°C

应用场景

  • Industry Typical Parts Aero Gas Turbines
  • Gas Turbine Repair & Overhaul
  • Industrial Gas Turbines
  • Industrial Furnaces
  • Petrochemical / Processing
  • Rocket engine components, high-temperature seals and gaskets