Schedule 80 API 5L Grade B Seamless Galvanised Steel Pipes

Schedule 80 api 5l grade b seamless galvanised steel pipes

Steel number	Card number	The heat handles Make degree Â	The anti- pulls the strength MPa	Accept defeat the strength MPa	Extension rate%	Degree of hardnessHRB
0Cr19N19	304	≥1010°C Nasty and cold	≥520	≥205	40	≤90
00Cr19Ni11	304L	" "	≥480	≥175	40	≤90
0Cr17Ni12M02	316	" "	≥520	≥205	40	≤90
0Cr17Ni14M02	316L	" "	≥480	≥175	40	≤90
0Cr18Ni11Ti	321	≥920°C Nasty and cold	≥520	≥205	40	≤90

2.Bending tolerance of hige pressure boiler tube:

WT≤15 mm, Bending≤1.5mm/m

WT>15~30 mm, Bending≤2.0mm/m

WT>30 mm, Bending≤3.0mm/m

3. End shape for the seamless high pressure boiler tube:

Both ends of the pipe should be cut at rightangles, and remove burrs

 

Schedule 80 api 5l grade b seamless galvanised steel pipes

Steel number	Card number	The heat handles Make degree Â	The anti- pulls the strength MPa	Accept defeat the strength MPa	Extension rate%	Degree of hardnessHRB
0Cr19N19	304	≥1010°C Nasty and cold	≥520	≥205	40	≤90
00Cr19Ni11	304L	" "	≥480	≥175	40	≤90
0Cr17Ni12M02	316	" "	≥520	≥205	40	≤90
0Cr17Ni14M02	316L	" "	≥480	≥175	40	≤90
0Cr18Ni11Ti	321	≥920°C Nasty and cold	≥520	≥205	40	≤90

2.Bending tolerance of hige pressure boiler tube:

WT≤15 mm, Bending≤1.5mm/m

WT>15~30 mm, Bending≤2.0mm/m

WT>30 mm, Bending≤3.0mm/m

3. End shape for the seamless high pressure boiler tube:

Both ends of the pipe should be cut at rightangles, and remove burrs

 

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