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Pipe For Boiler,Heat Exchanger and Condenser
Size
ANSI B36.19M/B36.10M
| Outside diameter |
Outside |
Thickness |
| SCH 5S |
SCH 10S |
SCH 40S |
| N.B |
NPS |
mm |
mm |
mm |
mm |
| 8 |
1/4' |
13.72 |
|
|
2.24 |
| 10 |
3/8' |
17.15 |
|
|
2.31 |
| 15 |
1/2' |
21.34 |
1.65 |
2.11 |
2.77 |
| 20 |
3/4' |
26.67 |
1.65 |
2.11 |
2.87 |
| 25 |
1' |
33.40 |
1.65 |
2.77 |
3.38 |
| 32 |
1-1/4' |
42.16 |
1.65 |
2.77 |
3.56 |
| 40 |
1-1/2' |
48.26 |
1.65 |
2.77 |
3.68 |
| 50 |
2' |
60.33 |
1.65 |
2.77 |
3.91 |
| 65 |
2-1/2' |
73.03 |
2.11 |
3.05 |
5.16 |
| 80 |
3' |
88.90 |
2.11 |
3.05 |
5.49 |
| 90 |
3-1/2' |
101.60 |
2.11 |
3.05 |
5.74 |
| 100 |
4' |
114.30 |
2.11 |
3.05 |
6.02 |
| 125 |
5' |
141.30 |
2.77 |
3.4 |
6.55 |
| 150 |
6' |
168.28 |
2.77 |
3.4 |
7.11 |
| 200 |
8' |
219.08 |
2.77 |
3.76 |
8.18 |
| 250 |
10' |
273.05 |
3.40 |
4.19 |
9.27 |
| 300 |
12' |
323.85 |
3.96 |
4.57 |
9.52 |
Tolerance
ASTM A249Tolerances on dimensions table：
| Outside diameter |
Thickness |
Length |
| ＜25.40mm |
±0.10mm |
±10.00% |
OD＜50.8mm +3.0mm -0mm
OD≥50.8mm +5.0 -0mm |
| ≥25.4mm~38.1mm |
±0.15mm |
| ≥38.1mm~50.8mm |
±0.20mm |
| ≥50.8mm~63.5mm |
±0.25mm |
| ≥63.5mm~76.2mm |
±0.30mm |
| ≥76.2mm~101.6mm |
±0.38mm |
| ≥101.6mm~190.5mm |
+0.38mm -0.64mm |
| ≥190.5mm~228.6mm |
+0.38mm -1.14mm |
ASTM A269Tolerances on dimensions table：
| Outside diameter |
Thickness |
Length |
| ＜38.1mm |
±0.13mm |
OD＜12.7mm ±15%
OD≥12.7mm ±10% |
OD＜38.1mm +3.20mm -0mm
OD≥38.1mm +4.80 -0mm |
| ≥38.1mm~88.9mm |
±0.25mm |
| ≥88.9mm~139.7mm |
±0.38mm |
| ≥139.7mm~203.7mm |
±0.76mm |
| ≥203.7mm~304.8mm |
±1.01mm |
| ≥304.8mm~355.6mm |
±1.26mm |
Surface: Anneal & Pickled Surface or Bright Polished Surface
Standard：ASTM A249；ASTM A269
Material：304/304L,316L,321,
409L,410,420,430,
UNS31803,USNS32205/2205,UNS32750/2507 etc.
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Stainless Steel Seamless Pipe
