Stainless&carbon steel butt-weld fittings
FOR FITTINGS MADE FROM SHEETS ASTM A240 SHALL BE APPLIED AS FOLLOWS.
| Type | Carbon max. per cent | Mang-
anese, max. per cent | Phos-phorus max. per cent | Sulfur, max. per cent | Sillicon max. per cent |
Chromium,
percent | Nickel percent | Other Elements | T.S Min ksi | Y.S Min ksi | Elon-gation per cent | Hardness | | HB | HRB | | 304 | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 18.00~
20.00 | 8.00~
10.50 | - | 75 | 30 | 40 | 183 | 88 | | 304L | 0.03 | 2.00 | 0.045 | 0.030 | 1.00 | 18.00~
20.00 | 8.00~
12.00 | - | 70 | 25 | 40 | 183 | 88 | | 316 | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 16.00~
18.00 | 10.00~
14.00 | Mo 2.00
~3.00 | 75 | 30 | 40 | 217 | 95 | | 316L | 0.03 | 2.00 | 0.045 | 0.030 | 1.00 | 16.00~
18.00 | 10.00~
14.00 | Mo 2.00
~3.00 | 70 | 25 | 40 | 217 | 95 | | 321 | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 17.00~
19.00 | 9.00~
12.00 | Ti
min.Cx5
max. 0.70 | 75 | 30 | 40 | 183 | 88 | | 347 | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 17.00~
19.00 | 9.00~
13.00 | Cb+Ta
min. Cx10
max. 1.10 | 75 | 30 | 40 | 183 | 88 |
304-316L N:0.10MAX
FOR FITTINGS MADE FROM SEAMLESS AND
WELDED PIPES ASTM A312 SHALL BE APPLIED AS FOLLOWS. | Type | Carbon max. per cent | Mang-
anese, max. per cent | Phos-phorus max. per cent | Sulfur, max. per cent | Silicon max. per cent | Chromium,
percent | Nickel percent | Other Elements | T.S Min ksi | Y.S Min ksi | | Tp 304 | 0.08 | 2.00 | 0.040 | 0.030 | 0.75 | 18.0~20.0 | 8.00~11.0 | | 75 | 30 | | Tp 304L | 0.035 | 2.00 | 0.040 | 0.030 | 0.75 | 18.0~20.0 | 8.00~13.0 | | 70 | 25 | | Tp 316 | 0.08 | 2.00 | 0.040 | 0.030 | 0.75 | 16.0~18.0 | 11.0~14.0 | Mo 2.0 ~3.0 | 75 | 30 | | Tp 316L | 0.035 | 2.00 | 0.040 | 0.030 | 0.75 | 16.0~18.0 | 10.0~15.0 | Mo 2.0~3.0 | 70 | 25 | | Tp 321 | 0.08 | 2.00 | 0.040 | 0.030 | 0.75 | 17.0~20.0 | 9.0~13.0 | Ti min.Cx5
max. 0.60 | 75 | 30 | | Tp 347 | 0.08 | 2.00 | 0.040 | 0.030 | 0.75 | 17.0~20.0 | 9.0~13.0 | Cb+Ta min. Cx10
max. 1.00 | 75 | 30 |
TOLERANCE OF BUTT-WELDING FITTINGS IN JIS AND ASTM Norminal
pipe size
(inch) | Outside Diameter (OD)
JIS
(mm) | Outside Diameter
(OD)
ASTM
(mm) | | Norminal
pipe size
(inch) | Outside Diameter (OD)
JIS
(mm) | Outside Diameter
(OD)
ASTM
(mm) | | 1/2 | 21.3 - 21.7 - 22.5 | 20.9 - 21.3 - 22.1 | 5 | 139.0 - 139.8 - 140.6 | 140.5 - 141.3 - 142.1 | | 3/4 | 26.8 - 27.2 - 28.0 | 26.3 - 26.7 - 27.5 | 6 | 164.4 - 165.2 - 164.4 | 167.5 - 168.3 - 169.5 | | 1 | 33.6 - 34.0-34.8 | 33.0 - 33.4-34.2 | 8 | 215.5 - 216.3 - 217.5 | 218.3 - 219.1 - 220.3 | | 1.1/4 | 42.3 - 42.7 - 43.5 | 41.8 - 42.2 - 43.0 | 10 | 265.8 - 267.4 - 269.0 | 271.5 - 273.1 - 275.0 | | 1.1/2 | 48.2 - 48.6 - 49.4 | 47.6 - 48.3 - 49.5 | 12 | 316.9 - 318.5 - 320.5 | 322.3 - 323.9 - 325.9 | | 2 | 60.1 - 60.5 - 61.3 | 59.8 - 60.3 - 61.1 | 14 | 354.0 - 355.6 - 357.6 | 354.0 - 355.6 - 357.6 | | 2.1/2 | 75.9 - 76.3 - 77.1 | 72.9 - 73.0 - 73.8 | 16 | 404.8 - 406.4-408.4 | 404.8 - 406.4 - 410.0 | | 3 | 88.7 - 89.1 - 89.9 | 88.5 - 88.9 - 89.4 | 18 | 455.6 - 457.2 - 459.2 | 455.6 - 457.2 - 459.2 | | 3.1/2 | 101.2 - 101.6 - 102.4 | 101.2 - 101.6 - 102.4 | 20 | 505.6 - 508.0 - 511.0 | 505.6 - 508.0 - 511.0 | | 4 | 113.5 - 114.3 - 115.1 | 113.5 - 114.3 - 115.1 | 24 | 607.2 - 609.6 - 612.6 | 607.2 - 609.6 - 612.6 |
|
