Sign In | Join Free | My chinaqualitycrafts.com
China Yuhong Group Co.,Ltd logo
Yuhong Group Co.,Ltd
Yuhong Holding Group Co.,LTD
Verified Supplier

13 Years
Home > Nickel Alloy Tube >

ASTM B983 Inconel 740H N07740 Nickel Alloy Steel Seamless Tube for Boiler

Product Categories
Yuhong Group Co.,Ltd
Trust Seal
Verified Supplier
Credit Check
Supplier Assessment
Contact Now

ASTM B983 Inconel 740H N07740 Nickel Alloy Steel Seamless Tube for Boiler

Brand Name : YUHONG

Model Number : UNS N07740

Certification : ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008

Place of Origin : CHINA

MOQ : 500kg

Price : Discussion

Payment Terms : T/T, L/C at sight

Supply Ability : according to client requirements

Delivery Time : more than 10days or asap if we have enough stock

Packaging Details : PLY-WOODEN CASE OR BUNDLE

Standard : ASTM B983

Material Grade : UNS N07740

O.D. : 60mm

Thickness : 7mm

Length : 6000mm to 8000mm

NDT : EDDY CURRENT TEST, HYDROSTATIC TEST

Third Party Inspection : BV,SGS,ASP

Surface : bright polished

Contact Now

ASTM B983 Inconel 740H N07740 Nickel Alloy Steel Seamless Tube for Boiler

INCONEL alloy 740H (UNS N07740) is derivation of NIMONIC alloy 263. With its higher content of chromium (24.5%),
alloy 740H offers a significant improvement is resistance to high temperature corrosion mechanisms. Alloy 740H is
age hardened by the precipitation of a second phase, gamma prime (γ’). By balancing the hardener content (niobium,
aluminum and titanium), alloy 740H exhibits good thermal stability in addition to high strength.

Physical Properties

Density g/cm3 8.05
lb/in.3 0.291
Melting Range °F 2350 - 2484
°C 1288 - 1362
Electrical Resistivity Ω-circ mil/ft 702.7
μ Ω -m 1.168

Mechanical Properties

Test Temperature
°F (°C)		 0.2% Yield
Strength,
Ksi (MPa)		 Ultimate Tensile
Strength,
Ksi (MPa)		 Elongation % Reduction
of
Area %
Transverse Orientation
Room Temp. 105 (724) 154.6 (1066) 23.7 28.1
1292°F (700°C) 82.2 (567) 124.9 (861) 17 23.1
1337°F (725°C) 85.4 (589) 125 (862) 22.8 37.4
1382°F (750°C) 86.4 (596) 118.6 (818) 23.9 28.7
1424°F (775°C) 80.8 (557) 110.1 (759) 22.1 30.7
1472°F (800°C) 86.2 (594) 100.2 (691) 23.5 31.2
Longitudinal Orientation
Room Temp. 107.7 (742) 164.4 (1133) 24.3 39.8
1292°F (700°C) 88.2 (608) 132.3 (912) 31.9 35.7
1337°F (725°C) 87 (560) 126.3 (871) 28.4 34.4
1382°F (750°C) 83.5 (576) 118.2 (815) 22.9 24
1424°F (775°C) 81.8 (564) 111.1 (766) 27.9 37.1
1472°F (800°C) 79.3 (547) 100 (689) 31.5 40.9

INCONEL alloy 740H is quite an impressive material with its high strength, creep resistance at elevated temperatures, and resistance to coal ash corrosion! It's interesting to know that it was initially intended for A-USC boiler tubes but found applications in steam headers as well due to its remarkable properties.

The wide size range of applications, from conventional sizes for boiler tubes to much larger sizes for main steam header pipes and even seamless steam reheat piping, showcases the versatility and suitability of INCONEL alloy 740H for various high-temperature and corrosive environments within power plants.

Overall, it seems like a high-performance material that plays a crucial role in ensuring the efficiency and durability of equipment in power generation facilities.

Application

  • Petro Processing
  • Power Generation
  • Welding Products
  • more.

ASTM B983 Inconel 740H N07740 Nickel Alloy Steel Seamless Tube for Boiler


Quality ASTM B983 Inconel 740H N07740 Nickel Alloy Steel Seamless Tube for Boiler for sale

ASTM B983 Inconel 740H N07740 Nickel Alloy Steel Seamless Tube for Boiler Images

Inquiry Cart 0
Send your message to this supplier
 
*From:
*To: Yuhong Group Co.,Ltd
*Subject:
*Message:
Characters Remaining: (0/3000)
 
You May Like