Butt Weld Concentric Reducer Manufacturer

EN	USA	GB	BS	JIS	ISO	IS
Fe360D2, S235J2G4	A36	Q235D	40EE	SM 400 A	Fe 360B	IS 226

Specified Thickness (t), in. [mm]	Tolerance Over Specified ThicknessC, in. [mm]
	w ≤ 84 [2134]	84 [2134] < w ≤ 120 [3048]	120 [3048] < w ≤ 144 [3658]	w ≤ 144 [3658]
	Width (w), in. [mm]
t < 3/16 [1.40]	0.055 [135]	0.070 [1.78]	-	-
3/16 [1.40] ≤ t < 3/8 [9.52]	0.045 [1.14]	0.050 [1.27]	0.085 [2.16]	-
3/8 [9.52] ≤ t < 3⁄4 [19.05]	0.055 [1.40]	0.060 [1.52]	0.085 [2.16]	0.090 [2.29]
3⁄4 [19.05] ≤ t < 1 [25.40]	0.060 [1.52]	0.065 [1.65]	0.085 [2.16]	0.100 [2.54]
1 [25.40] ≤ t < 2 [50.80]	0.070 [1.78]	0.075 [1.90]	0.095 [2.41]	0.115 [2.92]
2 [50.80] ≤ t < 3 [76.20]	0.125 [3.20]	0.150 [3.80]	0.175 [4.45]	0.200 [5.08]
3 [76.20] ≤ t < 4 [101.6]	0.150 [3.81]	0.160 [4.06]	0.200 [5.08]	0.225 [5.72]
4 [101.6] ≤ t < 6 [152.4]	0.180 [4.57]	0.200 [5.08]	0.335 [8.50]	0.355 [9.02]
6 [152.4] ≤ t < 8 [203.2]	0.235 [6.00]	0.255 [6.48]	0.355 [9.02]	0.435 [11.0]
8 [203.2] ≤ t < 10 [254.0]	0.315 [8.00]	0.335 [8.50]	0.435 [11.0]	0.550 [14.0]

Thickness (Inches)	Tolerance Over Specified Thickness, For Widths Given, in Inches
	Thru 47	48 to 59	60 to 71	72 to 83	84 to 95	96 to 107	108 to 119	120 to 131	132 to 143	144 to 167
To under 1/4	0.030	0.030	0.030	0.030	0.030	0.030	0.030	0.030	0.040	-
1/4 to under 5/16	0.030	0.030	0.030	0.030	0.030	0.030	0.030	0.040	0.040	-
5/16 to under 3/8	0.030	0.030	0.030	0.030	0.030	0.030	0.030	0.040	0.040	0.050
3/8 to under 5/8	0.030	0.030	0.030	0.030	0.030	0.030	0.040	0.040	0.050	0.060
3/4 to under 1	0.030	0.030	0.030	0.030	0.040	0.040	0.050	0.050	0.060	0.070
1 to under 2	0.060	0.060	0.060	0.060	0.060	0.070	0.080	0.100	0.100	0.110
2 to under 3	0.090	0.090	0.090	0.100	0.100	0.110	0.120	0.130	0.140	0.150
3 to under 4	0.110	0.110	0.110	0.110	0.110	0.130	0.140	0.140	0.140	0.150
4 to under 6	0.150	0.150	0.150	0.150	0.150	0.150	0.150	0.150	0.150	0.200
6 to under 10	0.230	0.240	0.240	0.240	0.240	0.240	0.240	0.240	0.240	0.270