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Arialloy are carefully crafted using only the finest materials. Our production team offers superior craftsmanship with over 10 years of experience working with incoloy 277mo tubes / sheets / wires / bars / fittings
Incoloy 277MO Material Properties
UNS S31277 Overview
Explore the chemical composition, corrosion resistance, mechanical properties, and temperature characteristics of incoloy 27-7mo for optimal resistance, strength, and stability
Incoloy 277MO Chemical Composition
Incoloy 27-7MO Material Properties Overview
As a leading supplier and manufacturer in China, Arialloy supplies cost effective incoloy 27-7MO products.
Incoloy 27-7MO (UNS S31277) is a highly alloyed super austenitic stainless steel containing approximately 27 percent nickel, 22 percent chromium, 7 percent molybdenum and elevated nitrogen.
Nickel and nitrogen promote a stable austenitic structure, while chromium, molybdenum and nitrogen provide strong resistance to pitting and crevice corrosion. Nickel, molybdenum and nitrogen strengthen resistance in reducing media, while chromium supports resistance in oxidizing environments. The alloy also provides strong resistance to chloride stress corrosion cracking, seawater, brine, caustic media and mixed acids. Its high alloy content contributes to a combination of corrosion resistance, mechanical strength and ductility, with tensile strength around 827 MPa, yield strength around 414 MPa and elongation around 50 percent. As temperature rises, the alloy maintains useful structural stability while strength and elastic modulus decrease progressively.
Arialloy recommends incoloy 27 7MO for customers seeking broad corrosion resistance together with higher mechanical strength and stable material performance across a wide temperature range.
Incoloy 277MO Corrosion Resistance
Incoloy 27-7MO offers excellent resistance to localized corrosion, general corrosion and chloride stress corrosion cracking. Its high molybdenum, chromium and nitrogen contents strengthen resistance to pitting and crevice attack, while nickel, nitrogen and molybdenum improve resistance in reducing media. Chromium supports resistance in oxidizing media, giving the alloy strong performance in mixed acid environments.
It also shows excellent resistance to seawater, brine, caustic solutions, sulfuric acid, phosphoric acid and hydrochloric acid, with particularly strong stability in chloride rich media.
Incoloy 27-7MO Mechanical Properties
Incoloy 27-7MO combines high strength with good ductility. At room temperature, its tensile strength reaches about 827 MPa, yield strength about 414 MPa and elongation about 50 percent, with Rockwell B hardness near 95. Nitrogen contributes to solid solution strengthening while the stable austenitic structure preserves good toughness and formability.
Cold working can further increase strength and hardness, while the alloy retains a favorable balance between load carrying capability and elongation among highly alloyed austenitic materials.
Incoloy 277MO Temperature Characteristics
Incoloy 27-7MO retains useful mechanical stability as temperature rises, while its strength gradually decreases from room temperature levels. Young’s modulus is about 191 GPa at 22°C and decreases progressively with increasing temperature, while thermal conductivity increases.
The alloy also shows predictable thermal expansion as temperature rises. Its temperature characteristics provide a balanced combination of structural stability, ductility and moderate elevated temperature strength, complementing the alloy’s strong corrosion resistance without shifting its main material characteristics away from corrosion and mechanical strength.
Incoloy 27-7MO Products
Nickel Alloy 277MO Product Types
With advanced equipment and expert craftsmanship, we create durable, high performance nickel alloy 27-7mo products tailored to each project’s needs
Incoloy 277MO Data Sheet
Incoloy Alloy 27-7MO Data Sheet
Access / download the incoloy 277mo data sheet to gain in depth insights into precise physical and processing parameters
귀사의 프로젝트에 가장 적합한 니켈 합금 소재가 선정되도록 보장합니다
물리적 특성
| 밀도 | g/cm3 | 8.02 | |
|---|---|---|---|
| lb/in.3 | 0.289 | ||
| Specific Heat | 32-212°F | Btu/lb•°F | 0.109 |
| 0-100°C | J/kg•°C | 454 | |
| Permeability at 70°F (21°C) and 200 oersted (15.9 kA/m) | Annealed | 1.004 | |
| Electrical Resistivity at room temp | ohm•circ mil/ft | 604 | |
| μohm•cm | 100 | ||
기계적 특성
| Alloy | Ultimate Tensile Strength, ksi / MPa | Yield Strength (0.2%), ksi / MPa | Elongation, % | Hardness Rockwell ‘B’ |
|---|---|---|---|---|
| INCOLOY alloy 27-7MO | 120 / 827 | 60 / 414 | 50 | 95 |
| INCOLOY alloy 926 | 95 / 655 | 45 / 310 | 42 | 90 |
| INCONEL alloy 625 | 125 / 862 | 68 / 469 | 50 | 95 |
| INCONEL alloy C-276 | 105 / 724 | 50 / 345 | 60 | 88 |
Incoloy 27-7MO Standards
UNS S31277 Specifications & Standards
생산부터 검사까지, 당사는 엄격한 품질 기준을 준수하며 공차 및 화학 성분에 대한 요구 사항을 충족합니다.
ASTM A213
Pipe & Tube
ASTM A312
Pipe & Tube
ASTM A249
Pipe & Tube
ASTM A479
Rod, Bar, Wire, and Forging Stock
ASTM A240
판, 시트 및 스트립
ASTM A182
Flange and Forged Fittings
Incoloy 27-7MO SHOW
Nickel Alloy 277MO Showcase
From initial samples to large scale production, we supply high quality incoloy 27-7mo products and help you achieve your manufacturing goals.


























요구 사항 업로드하기
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견적 및 디자인 검토 받기
12시간 이내에 상세한 견적서와 (맞춤형) 제조 적합성(DFM) 검토 결과를 보내드리겠습니다. 이를 통해 고객님의 맞춤형 프로젝트가 비용 면에서 실현 가능한지 확인하실 수 있으며, 소요 비용에 대해 명확히 파악하실 수 있습니다.
주문 확인 및 생산 시작
견적과 디자인을 승인하시면, 확인을 받은 다음 날 아침부터 귀하의 프로젝트가 저희 제작 대기열에 포함됩니다.
배송 및 수령
일반적으로 맞춤 제작 주문은 영업일 기준 20~45일 이내에 발송됩니다. 재고 상품과 샘플은 48시간 이내에 발송됩니다.
단 4단계
Custom Incoloy 277MO Quotation Process
세심한 상담부터 최종 납품에 이르기까지, 저희는 custom incoloy 27-7mo product 주문 절차가 간편하고 편리합니다. 탁월한 고객 서비스를 바탕으로 고객님의 요구를 미리 파악하고, 전문적인 솔루션을 제공하며, 정시 배송을 보장합니다.
Incoloy 277MO Supplier - Arialloy
생산부터 품질 관리에 이르기까지, 모든 단계가 완벽을 위해 세심하게 설계되었습니다
Arialloy incoloy alloy 27-7mo manufacturer has always been at the forefront of the industry. With its unremitting pursuit of quality, precision, and professional solutions, Arialloy has gradually established a complete production system and rapid supply capabilities. By continuously improving manufacturing processes, adopting cutting edge equipment, and adhering to strict quality control, Arialloy ensures that every product meets the highest requirements for durability, precision, and international standards

Incoloy 27-7MO Knowledge
Nickel Alloy 277MO Wiki
Arialloy는 여러분의 선택에 영향을 미치는 모든 요소를 여러분과 함께 살펴봅니다.
화학 조성, 기계적 특성, 온도 특성, 가격 및 제조 공정을 포함하여

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Inconel 600 대 Inconel 601
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Monel 400 대 Inconel 600
이 표에서 볼 수 있듯이, Monel 400의 높은 니켈 및 구리 함량은 해수 및 다양한 산에 대한 탁월한 내식성을 보장하며, 상당한 크롬 함량은
More Incoloy Grades
Incoloy Alloy Grades
Explore the full range of incoloy alloys to expand your material choices and ensure you find the perfect nickel alloy
Custom Incoloy 27-7MO FAQs
저희 전문가 팀이 모든 단계에서 여러분을 지원하며, 여러분의 비전을 현실로 만들 수 있도록 도와드리겠습니다. 관련 지원 내용은 자주 묻는 질문(FAQ)을 확인해 주세요.
Send us the details of the incoloy 277mo you need at sales@arialloy.com, or submit them through the inquiry form below. We will review your requirements and send a detailed quote. If our offer works for you, send us your PO. We will then issue a PI for payment. Production will start after the prepayment is received, followed by a completion notice when the material is ready.
In most situations, our sales team can return an incoloy 277mo quotation within 24 hours. If your request does not contain the information needed for pricing, we will contact you for clarification; if we cannot quote it, we will let you know.
Our standard FOB arrangement for incoloy 277mo allows the buyer to choose the freight forwarder. We will cooperate with your nominated forwarder to complete the local logistics procedures. If you prefer an all in one shipping solution, we can also arrange the transportation and provide the freight cost.
The changing cost of raw metals is an important reason for variation in alloy pricing. In superalloys, nickel, chromium, molybdenum, and nitrogen can have a significant effect on material costs. When their prices shift, the price of the alloy may also need to be adjusted.
We are vertically equipped to handle the smelting of incoloy 277mo ourselves. Our plant has over 30 vacuum smelting and electroslag remelting furnaces, with capacities starting at 50 kg and extending to 5,000 kg. This enables us to tailor production batches and support lower MOQs.
We provide an incoloy 277mo test report as part of the pre shipment quality documentation. It identifies the material standard and presents the chemical, mechanical, dimensional, and heat-number information necessary for compliance review.
We establish composition control for incoloy 277mo during the smelting stage through strict material ratio management and chemical analysis. The finished product then undergoes PMI testing, and third-party lab analysis can be arranged to provide further test results.




