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							POSTAL Suite 231, Private Bag X004 Northmead, 1511, Gauteng, South Africa CONTACT NUMBERS Tel: +27 11 425 0172 Fax: +27 11 425 0180 E-MAIL Dave Braithwaite dave@steelwaysa.com Cell: +27 82 902 3947 Dominic Wraith dominic@steelwaysa.com Cell: +27 82 902 4666
Nom. Pipe Size	Outside Diameter		Wall Thickness
	Outside Diameter		0.065	0.083	0.109	0.113	0.120	0.133	0.134	0.140	0.145	0.148	0.154
	inch	mm	1.65	2.11	2.77	2.87	3.05	3.38	3.40	3.56	3.68	3.76	3.91
1/2	0.840	21.34	10.833 4.643	13.833 5.929	18.167 7.786
3/4	1.05	26.67	8.667 3.714	11.067 4.743	14.533 6.229	15.067 6.457
1	1.315	33.40	6.920 2.966	8.837 3.787	11.605 4.973	12.030 5.156	12.776 5.475	14.160 6.068
1 1/4	1.660	42.16	5.482 2.349	7.000 3.000	9.193 3.940	9.530 4.084	10.120 4.337	11.217 4.807	11.301 4.843	11.807 5.060
1 1/2	1.900	48.26	4.789 2.053	6.116 2.621	8.032 3.442	8.326 3.568	8.842 3.789	9.800 4.200	9.874 4.232	10.316 4.421	10.684 4.579
2	2.375	60.33	3.832 1.642	4.893 2.097	6.425 2.754	6.661 2.855	7.074 3.032	7.840 3.360	7.899 3.385	8.253 3.537	8.547 3.663	8.724 3.739	9.078 3.891
2 1/2	2.875	73.03		4.042 1.732	5.308 2.275	5.503 2.358	5.843 2.504	6.477 2.776	6.525 2.797	6.817 2.922	7.061 3.026	7.207 3.089	7.499 3.214
3	3.500	88.90		3.320 1.423	4.360 1.869	4.520 1.937	4.800 2.057	5.320 2.280	5.360 2.297	5.600 2.400	5.800 2.486	5.920 2.537	6.160 2.640
3 1/2	4.000	101.60		2.905 1.245	3.815 1.635	3.955 1.695	4.200 1.800	4.655 1.955	4.690 2.010	4.900 2.100	5.075 2.175	5.180 2.220	5.390 2.310
4	4.500	114.30		2.582 1.107	3.391 1.453	3.516 1.507	3.733 1.600	4.138 1.773	4.169 1.787	4.356 1.867	4.511 1.933	4.604 1.973	4.791 2.053
5	5.563	141.30			2.743 1.176	2.844 1.219	3.020 1.294	3.347 1.434	3.372 1.445	3.523 1.510	3.649 1.564	3.725 1.596	3.876 1.661
6	6.625	168.28			2.303 987	2.388 1.023	2.536 1.087	2.811 1.205	2.832 1.214	2.958 1.268	3.064 1.313	3.128 1.340	3.254 1.395
8	8.625	219.08			1.769 758	1.834 786	1.948 835	2.159 925	2.175 932	2.272 974	2.354 1.009	2.402 1.030	2.500 1.071
10	10.750	273.05							1.745 748	1.823 781	1.888 809	1.927 826	2.006 860
12	12.750	323.85
14	14.000	355.60
16	16.000	406.40
18	18.000	457.20
20	20.000	508.00
The following burst & yield pressures are calculated using Barlow's Formula P=2 St/D Where: P = Burst or yield pressure in psi S = Tensile (70,000 psi) or yield (30,000 psi) strength t = Wall thickness in inches

									POSTAL Suite 231, Private Bag X004 Northmead, 1511, Gauteng, South Africa CONTACT NUMBERS Tel: +27 11 425 0172 Fax: +27 11 425 0180 E-MAIL Dave Braithwaite dave@steelwaysa.com Cell: +27 82 902 3947 Dominic Wraith dominic@steelwaysa.com Cell: +27 82 902 4666
Nom. Pipe Size	Outside Diameter		Wall Thickness
	Outside Diameter		0.156	0.165	0.180	0.188	0.203	0.216		0.218	0.226	0.237	0.258	0.280	0.322	0.365	0.375
	inch	mm	3.96	4.19	4.57	4.57	5.16	5.49		5.54	5.74	6.02	6.55	7.11	8.18	9.27	9.52
1/2	0.840	21.34
3/4	1.05	26.67
1	1.315	33.40
1 1/4	1.660	42.16
1 1/2	1.900	48.26
2	2.375	60.33
2 1/2	2.875	73.03	7.597 3.256	8.035 3.443	8.765 3.757	9.155 3.923	9.885 4.237
3	3.500	88.90	6.240 2.674	6.600 2.829	7.200 3.086	7.520 3.223	8.120 3.480	8.640 3.703
3 1/2	4.000	101.60	5.460 2.340	5.775 2.475	6.300 2.700	6.580 2.820	7.105 3.045	7.560 3.240		7.630 3.270	7.910 3.390
4	4.500	114.30	4.853 2.080	5.133 2.200	5.600 2.400	5.849 2.507	6.316 2.707	6.720 2.880		6.782 2.907	7.031 3.013	7.373 3.160
5	5.563	141.30	3.926 1.683	4.152 1.780	4.530 1.941	4.731 2.028	5.109 2.189	5.436 2.330		5.486 2.351	5.688 2.438	5.964 2.556	6.493 2.783
6	6.625	168.28	3.297 1.413	3.487 1.494	3.804 1.630	3.973 1.703	4.290 1.838	4.565 1.956		4.607 1.974	4.776 2.047	5.008 2.146	5.452 2.337	5.917 2.536
8	8.625	219.08	2.532 1.085	2.678 1.148	2.922 1.252	3.052 1.308	3.295 1.412	3.506 1.503		3.539 1.517	3.668 1.572	3.847 1.649	4.188 1.795	4.545 1.948	5.227 2.240
10	10.750	273.05	2.032 871	2.149 921	2.344 1.005	2.448 1.049	2.644 1.133	2.813 1.206		2.839 1.217	2.943 1.261	3.087 1.323	3.360 1.440	3.647 1.563	4.193 1.797	4.753 2.037
12	12.750	323.85	1.713 734	1.812 776	1.976 847	2.064 885	2.229 955	2.372 1.016		2.394 1.026	2.482 1.064	2.602 1.115	2.833 1.214	3.075 1.318	3.536 1.515	4.008 1.718	4.118 1.765
14	14.000	355.60	1.560 669	1.650 707	1.800 771	1.880 806	2.030 870	2.160 926		2.180 934	2.260 969	2.370 1.016	2.580 1.106	2.800 1.200	3.220 1.380	3.650 1.564	3.750 1.607
16	16.000	406.40		1.444 619	1.575 675	1.645 705	1.776 761	1.890 810		1.908 818	1.978 848	2.074 889	2.258 968	2.450 1.050	2.818 1.208	3.194 1.369	3.281 1.406
18	18.000	457.20		1.283 550	1.400 600	1.462 627	1.579 677	1.680 720		1.696 727	1.758 753	1.843 790	2.007 860	2.178 933	2.504 1.073	2.839 1.217	2.917 1.250
20	20.000	508.00				1.316 564	1.421 609	1.512 648		1.526 654	1.582 678	1.659 711	1.806 774	1.960 840	2.254 966	2.555 1.095	2.625 1.125
The following burst & yield pressures are calculated using Barlow's Formula P=2 St/D Where: P = Burst or yield pressure in psi S = Tensile (70,000 psi) or yield (30,000 psi) strength t = Wall thickness in inches

									POSTAL Suite 231, Private Bag X004 Northmead, 1511, Gauteng, South Africa CONTACT NUMBERS Tel: +27 11 425 0172 Fax: +27 11 425 0180 E-MAIL Dave Braithwaite dave@steelwaysa.com Cell: +27 82 902 3947 Dominic Wraith dominic@steelwaysa.com Cell: +27 82 902 4666
Nom. Pipe Size	Outside Diameter inch mm		Schedules 5					Schedules 10					Schedules 40
			Wall thickness		Weights			Wall thickness		Weights			Wall thickness		Weights
			inch	mm	lb/ft	kg/ft	kg/m	inch	mm	lb/ft	kg/ft	kg/m	inch	mm	lb/ft	kg/ft	kg/m
1/2	0.840	21.34	0.065	1.65	0.537	0.244	0.812	0.083	2.11	0.671	0.304	1.014	0.109	2.77	0.851	0.386	1.286
3/4	1.050	26.67	0.065	1.65	0.683	0.310	1.032	0.083	2.11	0.857	0.389	1.296	0.113	2.87	1.130	0.512	1.708
1	1.315	33.40	0.065	1.65	0.866	0.393	1.310	0.109	2.77	1.403	0.636	2.121	0.133	3.38	1.678	0.761	2.537
1 1/4	1.660	42.16	0.065	1.65	1.105	0.501	1.671	0.109	2.77	1.804	0.818	2.728	0.140	3.56	2.273	1.031	3.435
1 1/2	1.900	48.26	0.065	1.65	1.272	0.577	1.923	0.109	2.77	2.084	0.945	3.150	0.145	3.68	2.713	1.230	4.101
2	2.375	60.33	0.065	1.65	1.601	0.726	2.421	0.109	2.77	2.637	1.196	3.986	0.154	3.91	3.648	1.655	5.515
2 1/2	2.875	73.03	0.083	2.11	2.475	1.122	3.741	0.120	3.05	3.530	1.601	5.366	0.203	5.16	5.792	2.627	8.755
3	3.500	88.90	0.083	2.11	3.028	1.373	4.578	0.120	3.05	4.330	1.964	6.546	0.216	5.46	7.573	3.434	11.448
3 1/2	4.000	101.60	0.083	2.11	3.472	1.574	5.248	0.120	3.05	4.971	2.254	7.514	0.226	5.74	9.100	4.127	13.756
4	4.500	114.30	0.083	2.11	3.915	1.775	5.918	0.120	3.05	5.611	2.545	8.483	0.237	6.02	10.780	4.889	16.296
5	5.563	141.30	0.109	2.77	6.346	2.878	9.593	0.134	3.40	7.754	3.516	11.722	0.258	6.55	14.596	6.620	22.065
6	6.625	168.28	0.109	2.77	7.582	3.483	11.462	0.134	3.40	9.271	4.204	14.015	0.280	7.11	18.951	8.594	28.648
8	8.625	219.08	0.109	2.77	9.909	4.494	14.979	0.148	3.76	13.389	6.072	20.240	0.322	8.18	28.530	12.939	43.129
10	10.750	273.05	0.134	3.40	15.162	6.876	22.920	0.165	4.19	18.630	8.449	28.163	0.365	9.27	40.438	18.339	61.131
12	12.750	323.85	0.156	3.96	20.949	9.501	31.669	0.180	4.57	24.130	10.943	36.478	0.375	9.52	49.487	22.443	74.811
14	14.00	355.60	0.156	3.96	23.028	10.444	34.812	0.188	4.78	27.732	12.577	41.923	0.375	9.52	54.486	24.710	82.367
16	16.000	406.40	0.165	4.19	27.870	12.639	42.131	0.188	4.78	31.748	14.398	47.994	0.375	9.52	62.484	28.337	94.457
18	18.000	457.20	0.165	4.19	31.390	14.236	47.453	0.188	4.78	35.763	16.219	54.064	0.375	9.52	70.481	31.964	106.548
20	20.000	508.00	0.188	4.78	39.779	18.040	60.135	0.218	5.54	46.034	20.877	69.591	0.375	9.52	78.479	35.591	118.638