Send Enquiry
Search
×
Home
About Us
Services
Products
Stainless Steel Pipes
A312 Seamless Pipes
A790 Duplex & Super Duplex Seamless Pipe
A312 A358 Welded Pipes
A928 Duplex Welded Pipe
Stainless Steel Flanges & Fittings
A182 Flanges
A815 Fittings
Stainless Steel Bars
A276 Flat Bars
A276 Round Bars
A276 Square Bars
A276 Angle Bar
A276 Channel Bars
A276 Hexagon Bars
JIS G4317 H-Beams
Stainless Steel Sheets & Plates
A240 Polished Sheets
A240 Perforated Sheets
A240 No. 1 Plates
A240 Checkered & Polka Plates
Stainless Steel Ornamental Tubes & Fittings
A554 Circular Hollow Sections (Round Pipe)
A554 Square Hollow Sections
A554 Rectangle Hollow Sections
Elbows
Non-Ferrous Metals
Copper
Brass
Accreditations
Contact Us
Send Enquiry
×
≡
MENU
Home
-
Products
-
Stainless Steel Pipes
-
A312 A358 Welded Pipes
A312 A358 Welded Pipes
Download PDF
Send Enquiry
Stainless Steel pipes are manufactured to ASTM A312 (Welded) and ASTM A358 Class 1 (Welded/EFW)
Available in grades 304/304L and 316/316L
ASTM A358 Class 1 only available from 8” onward
Fixed lengths of 6 metres except for certain sizes
Dimensions according to ASME/ANSI B36.10 and B36.19
Weights are based on theoretical calculations. Actual weight may vary.
● IN STOCK
Schedule - Nominal Bore
Size
A312 Welded
Weight
Inch (NPS)
mm (DN)
O.D.
W.T.
I.D
304/304L
316/316L
kg/m
S10 S
¼
8
13.7
1.65
10.4
0.48
⅜
10
17.1
1.65
13.8
0.64
½
15
21.3
2.11
17.08
●
●
1.01
¾
20
26.7
2.11
22.48
●
●
1.31
1
25
33.4
2.77
27.86
●
●
2.13
1¼
32
42.2
2.77
36.66
●
●
2.76
1½
40
48.3
2.77
42.76
●
●
3.17
2
50
60.3
2.77
54.76
●
●
4.01
2½
65
73
3.05
66.9
●
●
5.36
3
80
88.9
3.05
82.8
●
●
6.59
3½
90
101.6
3.05
95.9
●
●
7.55
4
100
114.3
3.05
108.2
●
●
8.52
5
25
141.3
3.4
134.5
●
●
11.82
6
150
168.3
3.4
161.5
●
●
14.13
8
200
219.1
3.76
211.58
●
●
20.37
10
250
273.1
4.19
264.72
●
●
28.34
12
300
323.9
4.57
314.76
●
●
36.73
14
350
355.6
4.78
346.04
42.14
16
400
406.4
4.78
396.84
●
48.26
18
450
457
4.78
447.44
54.36
20
500
508
5.53
496.94
●
70.00
22
550
559
5.53
547.94
77.06
24
600
610
6.35
597.3
●
96.37
30
750
762
7.92
746.16
150.36
S40 S/STD
¼
8
13.7
2.24
9.22
0.64
⅜
10
17.1
2.31
12.48
●
0.86
½
15
21.3
2.77
15.76
●
●
1.30
¾
20
26.7
2.87
20.96
●
●
1.71
1
25
33.4
3.38
26.64
●
●
2.55
1¼
32
42.2
3.56
35.08
●
●
3.46
1½
40
48.3
3.68
40.94
●
●
4.13
2
50
60.3
3.91
52.48
●
●
5.54
2½
65
73
5.16
62.68
●
●
8.81
3
80
88.9
5.49
77.92
●
●
11.52
3½
90
101.6
5.74
90.12
●
●
13.84
4
100
114.3
6.02
102.26
●
●
16.40
5
125
141.3
6.55
128.2
●
●
22.20
6
150
168.3
7.11
154.08
●
●
28.83
8
200
219.1
8.18
202.74
●
●
43.39
10
250
273.1
9.27
254.56
●
●
61.52
12
300
323.9
9.53
304.84
75.32
14
350
355.6
9.53
336.54
81.33
16
400
406.4
9.53
387.34
93.27
18
450
457
9.53
437.94
105.16
20
500
508
9.53
488.94
117.15
22
550
559
9.53
539.94
129.13
24
600
610
9.53
590.94
141.12
26
650
660
9.53
640.94
152.87
28
700
711
9.53
691.94
164.85
30
750
762
9.53
742.94
176.84
Schedule - Nominal Bore
Size
AA358 CL1 Welded with 100%
Weight
Inch (NPS)
mm (DN)
O.D.
W.T.
I.D
304/304L
316/316L
kg/m
S10 S
8
200
219.1
3.76
211.58
●
●
20.37
10
250
273.1
4.19
264.72
●
●
28.34
12
300
323.9
4.57
314.76
●
●
36.73
14
350
355.6
4.78
346.04
●
●
42.14
16
400
406.4
4.78
396.84
●
●
48.26
18
450
457
4.78
447.44
●
●
54.36
20
500
508
5.53
496.94
●
●
70.00
22
550
559
5.53
547.94
77.06
24
600
610
6.35
597.3
●
●
96.37
30
750
762
7.92
746.16
●
150.36
S40 S/STD
8
200
219.1
8.18
202.74
●
43.39
10
250
273.1
9.27
254.56
●
●
61.52
12
300
323.9
9.53
304.84
●
●
75.32
14
350
355.6
9.53
336.54
●
●
81.33
16
400
406.4
9.53
387.34
●
●
93.27
18
450
457
9.53
437.94
●
●
105.16
20
500
508
9.53
488.94
●
●
117.15
22
550
559
9.53
539.94
129.13
24
600
610
9.53
590.94
●
●
141.12
26
650
660
9.53
640.94
152.87
28
700
711
9.53
691.94
164.85
30
750
762
9.53
742.94
176.84
S60
12
300
323.9
14.27
295.36
●
108.96
14
350
355.6
15.09
325.42
●
126.71
16
400
406.4
16.66
373.08
●
160.12
18
450
457
19.05
418.9
●
205.74
S80 S/XS
8
200
219.1
12.7
193.7
●
65.95
10
250
273.1
12.7
247.7
●
●
83.19
12
300
323.9
12.7
298.5
●
●
99.43
14
350
355.6
12.7
330.2
●
●
107.39
16
400
406.4
12.7
381
●
●
123.30
18
450
457
12.7
431.6
●
139.15
20
500
508
12.7
482.6
●
155.12
22
550
559
12.7
533.6
171.09
24
600
610
12.7
584.6
●
S80
10
250
273.1
15.09
242.92
●
96.01
12
300
323.9
17.48
288.94
●
132.08
S100
10
250
273.1
18.26
236.58
●
114.75
12
300
323.9
21.44
281.02
●
159.91
14
350
355.6
23.83
307.94
●
194.96
16
400
406.4
26.19
354.02
●
309.62
18
450
457.0
29.36
398.28
●
314.91
A312 A358 Welded Pipes
S$0.00
Qty
Related Products