JIS G 3445(STKM11A)
 *Length 6,000mm

Outer
Diameter		 Thickness Length
4.0 0.7 2,000
4.76 0.7 4,000
1.0 4,000
5.0 0.7 3,100
1.0 3,660
6.0 0.7 3,930
6.35 0.7 3,660
1.0 3,660
8.0 0.7 4,000
1.0 3,660
9.0 1.0 3,670
9.53 0.7 4,000
10.0 0.7 4,000
1.0 4,200
1.2 3,660
1.6 3,660
12.0 1.0 3,660
1.2 3,660
1.6 3,660
2.0 4,000
12.7 1.0 3,660
1.0 5,550
1.2 4,000
1.2 5,100
13.8 1.2 4,000
1.6 3,660
1.6 5,500
2.3 5,500
14.0 1.0 3,660
1.2 4,000
1.6 5,500
Outer
Diameter		 Thickness Length
15.0 1.0 3,900
1.2 5,500
1.5 5,500
1.6 5,500
2.0 5,000
2.3 5,500
15.9 0.7 4,300
1.0 5,500
1.2 5,500
1.6 5,500
2.0 5,500
16.0 1.0 3,660
1.0 5,100
1.2 3,940
1.2 5,400
2.0 5,500
17.0 1.0 4,000
1.2 4,000
17.3 1.2 5,500
1.6 5,500
2.0 5,500
2.3 5,500
(13A) 3.2 5,500
18.0 1.0 5,000
1.2 4,000
19.0 1.2 4,850
1.6 5,500
19.1 1.0 4,000
1.2 5,500
1.6 5,500
2.0 5,500
2.3 5,500
Outer
Diameter		 Thickness Length
20.0 1.0 4,000
1.2 5,400
21.7 1.6 5,500
1.9 5,500
2.3 5,500
2.8 5,050
3.2 5,500
22.2 1.0 5,500
1.2 5,500
1.6 5,500
2.0 5,500
25.4 1.0 5,500
1.2 5,500
1.6 5,500
2.0 5,500
2.3 5,500
27.2 1.6 5,500
2.3 5,300
2.8 5,500
3.2 5,500
28.6 1.2 5,500
1.6 5,500
2.0 5,500
31.8 1.0 5,500
1.2 5,500
1.6 5,500
2.0 5,500
2.3 5,500
34.0 1.6 5,500
2.0 5,500
2.3 5,500
3.2 5,500
Outer
Diameter		 Thickness Length
35.0 1.0 5,950
1.2 4,000
1.2 5,500
1.6 5,720
38.1 1.2 5,500
1.6 5,500
2.3 5,500
42.7 1.6 5,500
2.3 5,500
3.5 5,500
45.0 1.2 5,700
48.6 1.6 5,500
2.3 5,750
3.5 5,500
50.0 1.0 5,850
50.8 1.2 5,500
1.6 5,500
2.0 5,500
2.3 5,500
57.2 1.6 5,500
60.5 1.6 5,500
2.3 5,500
63.5 1.6 5,300
65.0 1.6 5,500
70.0 1.6 5,580
74.7 1.6 5,500
76.3 1.6 5,500
2.8 5,500
80.0 1.6 5,500
89.1 1.6 5,500

JIS G 3444 (STK400 Carbon steel tubes for general structure) 

*Length 6,000mm

Outer
Diameter		 x Thickness
21.7 x 1.9
21.7 x 2.3
27.2 x 1.9
27.2 x 2.3
34.0 x 2.3
34.0 x 3.2
42.7 x 2.3
42.7 x 3.2
48.6 x 2.3
48.6 x 3.2
60.5 x 2.3
60.5 x 2.8
60.5 x 3.2
60.5 x 3.8
76.3 x 2.8
76.3 x 3.2
76.3 x 4.2
89.1 x 2.8
89.1 x 3.2
89.1 x 4.2
89.1 x 5.5
89.1 x 7.6
101.6 x 3.2
101.6 x 4.2
101.6 x 5.7
101.6 x 8.1
114.3 x 3.5
114.3 x 4.5
114.3 x 6.0
114.3 x 8.6
127.0 x 4.6
139.8 x 3.5
139.8 x 4.0
139.8 x 4.5
139.8 x 6.0
139.8 x 6.6
139.8 x 9.5
152.4 x 5.0
Outer
Diameter		 x Thickness
165.2 x 3.7
165.2 x 4.5
165.2 x 5.0
165.2 x 6.0
165.2 x 7.1
165.2 x 9.3
165.2 x 11.0
190.7 x 4.5
190.7 x 5.3
190.7 x 6.0
190.7 x 7.0
216.3 x 4.5
216.3 x 5.8
216.3 x 8.2
216.3 x 12.7
241.8 x 6.2
267.4 x 5.8
267.4 x 6.6
267.4 x 9.3
267.4 x 12.7
318.5 x 6.0
318.5 x 6.9
318.5 x 7.9
318.5 x 9.0
318.5 x 10.3
318.5 x 12.7
355.6 x 6.4
355.6 x 7.9
355.6 x 9.5
355.6 x 11.1
355.6 x 12.7
355.6 x 16.0
406.4 x 6.4
406.4 x 7.9
406.4 x 9.5
406.4 x 12.7
406.4 x 16.0
406.4 x 19.0
Outer
Diameter		 x Thickness
457.2 x 6.4
457.2 x 7.9
457.2 x 9.5
457.2 x 12.7
457.2 x 16.0
457.2 x 19.0
508.0 x 6.4
508.0 x 7.9
508.0 x 9.5
508.0 x 12.7
508.0 x 16.0
508.0 x 19.0
508.0 x 22.0
558.8 x 6.4
558.8 x 7.9
558.8 x 9.5
558.8 x 12.7
558.8 x 16.0
558.8 x 19.0
558.8 x 22.0
609.6 x 6.4
609.6 x 7.9
609.6 x 9.5
609.6 x 12.7
609.6 x 16.0
609.6 x 19.0
609.6 x 22.0