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NCF 690 TB


NCF 690 TB material is JIS G 4904 (2008) Seamless nickel-chromium-iron alloy heat exchanger tubes Seamless nickel-chromium-iron alloy heat exchanger tubes.

Chemical composition of NCF 690 TB, NCF 690 TB mechanical properties, NCF 690 TB datasheet, NCF 690 TB equivalent grade, Heat treatment and temperature process of NCF 690 TB.


NCF 690 TB property sheet

NCF 690 TB Spec.

JIS G 4904 (2008)
Seamless nickel-chromium-iron alloy heat exchanger tubes

Related Materials

NCF 690
NCF 690
NCF 690 TB
NCF 690 TP

Chemical Composition of NCF 690 TB

C: Max 0.05
Si: Max 0.50
Mn: Max 0.50
P: Max 0.03
S: Max 0.015
Cr: 27.00 31.00
Ni: 58.00 Min
Cu: Max 0.50
Al: Max Min
Ti: Max Min
Fe: Max Min

Mechanical Properties of NCF 690 TB

Rp0.2 (MPa) 492 (≥)
Rm (MPa) 148 (≥)
AKV (J) 31
A (%) 43
Z (%) 21
Hardness HBW 412

NCF 690 TB shape and dimensions

NCF 690 TB Round bar: 1mm-800mm
NCF 690 TB Square bar: 10mm * 10mm-600mm *600mm
NCF 690 TB Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
NCF 690 TB Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
NCF 690 TB Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
NCF 690 TB Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes