Stainless Steel Round Bar
| 
Round Bar is available in three main grades: 303, 304 and 316 stainless steel.
- 303 - good corrosion resistance; used for free machining applications but is not suitable for welding or forming
- 304 - good corrosion resistance; average machining capabilities; suitable for forming and welding
- 316 - superior grade; excellent corrosion resistance; suitable for forming and welding but harder to machine
| Standard Metric Sizes - Theoretical Weight per Metre (Kgs) | Standard Imperial Sizes - Theoretical Weight per Metre (Kgs) | |||
|---|---|---|---|---|
| Metric (mm) | Kgs per Mtr | Imperial (Inches) | Metric Equiv. (mm) | Kgs per Mtr |
|
3
|
0.057
|
1/8
|
3.175
|
0.063
|
|
4
|
0.101
|
5/32
|
3.969
|
0.099
|
|
5
|
0.157
|
3/16
|
4.763
|
0.143
|
|
6
|
0.226
|
7/32
|
5.556
|
0.194
|
|
7
|
0.308
|
1/4
|
6.350
|
0.253
|
|
8
|
0.402
|
5/16
|
7.938
|
0.396
|
|
9
|
0.509
|
3/8
|
9.525
|
0.570
|
|
10
|
0.628
|
7/16
|
11.113
|
0.776
|
|
11
|
0.760
|
1/2
|
12.700
|
1.013
|
|
12
|
0.905
|
9/16
|
14.288
|
1.283
|
|
13
|
1.062
|
5/8
|
15.875
|
1.583
|
|
14
|
1.232
|
11/16
|
17.463
|
1.916
|
|
15
|
1.414
|
3/4
|
19.050
|
2.280
|
|
16
|
1.608
|
7/8
|
22.225
|
3.104
|
|
17
|
1.816
|
1
|
25.400
|
4.054
|
|
18
|
2.036
|
1 1/8
|
28.575
|
5.130
|
|
20
|
2.513
|
1 1/4
|
31.750
|
6.334
|
|
22
|
3.041
|
1 3/8
|
34.925
|
7.664
|
|
24
|
3.619
|
1 1/2
|
38.100
|
9.121
|
|
25
|
3.927
|
1 5/8
|
41.275
|
10.704
|
|
26
|
4.247
|
1 3/4
|
44.450
|
12.414
|
|
27
|
4.580
|
1 7/8
|
47.625
|
14.251
|
|
30
|
5.655
|
2
|
50.800
|
16.215
|
|
32
|
6.434
|
2 1/8
|
53.975
|
18.305
|
|
35
|
7.697
|
2 1/4
|
57.150
|
20.522
|
|
36
|
8.143
|
2 3/8
|
60.325
|
22.865
|
|
38
|
9.073
|
2 1/2
|
63.500
|
25.335
|
|
40
|
10.053
|
2 5/8
|
66.675
|
27.932
|
|
45
|
12.723
|
2 3/4
|
69.850
|
30.656
|
|
48
|
14.476
|
3
|
76.200
|
36.483
|
|
50
|
15.708
|
3 1/4
|
82.550
|
42.817
|
|
60
|
22.619
|
3 1/2
|
88.900
|
49.657
|
|
3 3/4
|
95.250
|
57.005
|
||
|
4
|
101.600
|
64.859
|
||
|
4 1/4
|
107.950
|
73.219
|
||
|
4 1/2
|
114.300
|
82.087
|
||
|
4 3/4
|
120.650
|
91.461
|
||
|
5
|
127.000
|
101.341
|
||
|
5 1/2
|
139.700
|
122.623
|
||
|
6
|
152.400
|
145.932
|
||
|
6 1/2
|
165.100
|
171.267
|
||
|
7
|
177.800
|
198.629
|
||
|
7 1/2
|
190.500
|
228.018
|
||
|
8
|
203.200
|
259.434
|
||
|
9
|
228.600
|
328.346
|
||
|
9 1/2
|
241.300
|
365.843
|
||
|
10
|
254.000
|
405.366
|
||
|
11
|
279.400
|
490.493
|
||
|
12
|
304.800
|
583.727
|
||
Please click here for a table of tolerances on stainless steel round bar.
