347/347H STAINLESS STEEL ASTM A403 BUTTWELD FITTINGS EQUIVALENT GRADES

STANDARDUNSWNR.ENJISGOST
SS 347S347001.4550X6CrNiNb18-10SUS 34708Ch18N12B
SS 347HS347091.4961X6CrNiNb18-12SUS 347H-

CHEMICAL COMPOSITION OF STAINLESS STEEL 347/347H SEAMLESS AND WELDED PIPE FITTINGS

ElementCCrMnNiPSSiCb/Ta
SS 3470.08 maxmin: 17.0
max: 20.0
2.0 maxmin: 9.0
max: 13.0
0.04 max0.30
max
0.75
max
min:10x C
max: 1.0
SS 347Hmin: 0.04
max: 0.10
min: 17.0
max: 20.0
2.0 maxmin: 9.0
max: 13.0
0.03 max0.30
max
0.75
max
min:10x C
max: 1.0

MECHANICAL PROPERTIES OF ASME SA403 SS WP347 / 347H BUTTWELD PIPE FITTINGS

GradeTensile Strength ksi (MPa) minYield Strength 0.2% ksi offset ksi (MPa) minElongation (% in 50mm) minHardness (Brinell) MAXHardness (Rockwell B) MAX
347/347H75
(515)
30
(205)
4020195

PHYSICAL PROPERTIES OF ASTM A403 STAINLESS STEEL 347 / 347H PIPE FITTINGS

Density
lbm/in3
Coefficient of
Thermal Expansion (min/in)-°F
Thermal Conductivity BTU/hr-ft-°FSpecific Heat BTU/lbm -°FModules of Elasticity (annealed)2-psi
at 68 °Fat 68 – 212°Fat 68 – 1832°F68-932°Fat 32 – 212°Fin tension (E)
0.2889.211.414.70.1228 x 106

Stainless Steel 347 / 347H Butt weld Fittings Application Industries

Our ASTM A403 WP347 / 347H Stainless Steel Butt weld Pipe Fittings are used in a wide range of applications and various industries. Below are a few of them:

  • Petrochemical Industry
  • Oil and Gas Industry
  • Chemical Industry
  • Power Plant Industry
  • Energy Industry
  • Pharmaceuticals Industry
  • Pulp & Paper Indusry
  • Food Processing Industry
  • Aerospace Industry
  • Refining Industry

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