Seamless Tubes

Trident Enterprises are among the pre-eminent organizations, involved in manufacturers, suppliers, stockists and exporter Seamless Tubes. Available in different lengths, thicknesses and sizes, these Seamless Tubes are widely demanded by various industries like food & beverage, chemical, petrochemical, pharmaceutical and cosmetics. In addition to this, we provide tailor-made solution for all our offered Seamless Tubes as per customers’ requirements.

 

What is Seamless Tubes?

Seamless tubes as the name suggests is a tube without a seam or a weld-joint in contrast to Seam or Welded tube. In a Seam or Welded tube, the seam or the weld-joint is the weaker part of the tube limiting the strength of the tube to the strength of the weld-joint. Whereas the seamless tube does not have any such joint and thus has uniform structure & strength all over the tube body.

These Seamless Tubes are provided to patrons in various sizes and lengths at most competitive prices. Apart from this, our offered Seamless Tubes are widely demanded by various factories, industries and workshops.

Specification

Type	Seamless Tubes
Standard	ASTM A312, ASTM A358, ASTM A813, ASTM A814
Range	15 NB UP TO 600 NB IN SCH 5S , 10S ,10, 20 , 40S , 40 , STD , 60 , 80S , 80 , XS , 100 , 120 , 140 , 160 & XXS
Size	OD (6-710) x (0.9-40) x MAX 13000mm
Outer Diameter	21.3 to 712mm
Length	SINGLE RANDOM, DOUBLE RANDOM & CUT LENGTH
Delivery time	up to the order quantity
Order	Accept custom order
Quality Assurance	They are visually examined for conformity to ASTM, ASME, MSS, DIN, EN, and JIS codes and standards. Upon request, official certified Inspection Agencies can be called in to witness the material reports, dimensions and quality conformity of products.
Marking & Packing	Products are packaged to ensure that there is no damage during transit. In case of exports, standard export packaging is done in wooden cases.On special requests we can also, make custom marking on our products.
Application	Fluid and Gas Transport Decoration Construction Medical Equipment Aviation Boiler Heat-Exchanger Electro Polish And Other Fields
Test Certificates	Manufacturer Test Certificate / Laboratory Test Certificate from Govt. Approved Lab. / Under Third Party Inspection with Excise Gate Pass to available benefit.

 

Nominal Wall Thickness:

• Nominal Wall Tolerance Plus 12.5%, Minus 12.5%
• These do not conform to the American National Standard for Welded and Seamless Wrought Steel Pipe
  (ANSI B 36.10 – 1979)

NPS Designator	Outside Diameter in.	Schedule 10S in.	Schedule 40S in.	Schedule 80S in.	Schedule 160 in.	Schedule XX in.
1/4	0.540	0.065	0.088	0.119
3/8	0.675	0.065	0.091	0.126
1/2	0.840	0.083	0.109	0.147	.188	.294
3/4	1.050	0.083	0.113	0.154	.218	.308
1.0	1.315	0.109	0.133	0.179	.250	.358
1 1/4	1.660	0.109	0.140	0.191	.250	.382
1 1/2	1.900	0.109	0.145	0.200	.281	.400
2	2.375	0.109	0.154	0.218	.343	.436
2 1/2	2.875	0.120	0.203	0.276	.375	.552
3	3.500	0.120	0.216	0.300	.438	.600
3 1/2	4.000	0.120	0.226	0.318		.636
4	4.500	0.120	0.237	0.337	.534	.674
5	5.563	0.134	0.258	0.375	.625	.750
6	6.625	0.134	0.280	0.432	.719	.864
8	8.625	0.148	0.322	0.500	.906	.875
10	10.750	0.165	0.365	0.500	1.125
12	12.750	0.180	0.375	0.500	1.312
14	14.000	0.188	0.375	0.500	1.406
16	16.000	0.188	0.375	0.500	1.594

 

Minimum Wall Thickness on Inspection:

• The following equation, upon which this table is based, may be applied to calculate minimum wall thicknesses from nominal wall thickness:
  • tn * 0.875 = tm
    Where:
    tn = nominal wall thickness, in. [mm], and
    tm= minimum wall thicknesses, in. [mm]
  • The wall thickness is inch-pound units is rounded to three decimal places in accordance with the rounding method of Practice E29. The wall thickness in SI units is rounded to one decimal place in accordance with the rounding method of Practice E29.
• This table is a master table covering wall thicknesses available in the purchase of different classifications of pipe, but it is not meant to imply that all the walls listed herein are necessarily obtainable for the applicable product specification.

Nominal Thickness		Minimum Thickness on Inspection		Nominal Thickness		Minimum Thickness on Inspection		Nominal Thickness		Minimum Thickness on Inspection
in.	mm	in	mm	in	mm	in	mm	in	mm	in	mm
0.068	1.7	0.060	1.5	0.294	7.5	0.257	6.5	0.750	19.0	0.658	16.6
0.068	2.2	0.077	2.0	0.300	7.6	0.262	6.7	0.812	20.6	0.710	18.0
0.091	2.3	0.080	2.0	0.307	7.8	0.269	6.8	0.843	21.4	0.736	18.7
0.095	2.4	0.083	2.1	0.308	7.8	0.270	6.9	0.854	21.7	0.756	19.2
0.113	2.9	0.099	2.5	0.312	7.9	0.273	6.9	0.875	22.2	0.766	19.5
0.119	3.0	0.104	2.6	0.318	8.1	0.278	7.1	0.906	23.0	0.783	20.1
0.125	3.2	0.109	2.8	0.322	8.2	0.282	7.2	0.937	23.8	0.820	20.8
0.126	3.2	0.110	2.8	0.330	8.4	0.289	7.3	0.968	24.6	0.847	21.5
0.133	3.4	0.116	2.9	0.337	8.6	0.295	7.5	1.000	25.4	0.875	22.2
0.140	3.6	0.122	3.1	0.343	8.7	0.300	7.6	1.031	26.2	0.902	22.9
0.145	3.7	0.127	3.2	0.344	8.7	0.301	7.6	1.062	27.0	0.929	23.6
0.147	3.7	0.129	3.3	0.358	9.1	0.313	8.0	1.083	27.8	0.956	24.3
0.154	3.9	0.135	3.4	0.365	9.3	0.319	8.1	1.125	28.6	0.984	25.0
0.156	4.0	0.136	3.5	0.375	9.5	0.328	8.3	1.156	29.4	1.012	25.7
0.179	4.5	0.157	4.0	0.382	9.7	0.334	8.5	1.218	30.9	1.066	27.1
0.187	43.7	0.164	4.2	0.400	10.2	0.350	8.9	1.250	31.8	1.094	27.8
0.188	4.8	0.164	4.2	0.406	10.3	0.355	9.0	1.281	32.5	1.121	28.5
0.191	4.9	0.167	4.2	0.432	10.4	0.378	9.6	1.312	33.3	1.148	29.2
0.200	5.1	0.175	4.4	0.436	11.1	0.382	9.7	1.343	34.1	1.175	29.8
0.203	5.2	0.178	4.5	0.437	11.1	0.382	9.7	1.375	34.9	1.203	30.6
0.216	5.5	0.189	4.8	0.438	11.1	0.383	9.7	1.406	35.7	1.230	31.2
0.218	5.5	0.191	4.9	0.500	12.7	0.438	11.1	1.436	36.5	1.258	32.0
0.219	5.6	0.192	4.9	0.531	13.5	0.465	11.8	1.500	36.1	1.312	33.3
0.226	5.7	0.196	5.0	0.552	14.0	0.483	12.3	1.531	38.9	1.340	34.0
0.237	6.0	0.207	5.2	0.562	14.3	0.492	12.5	1.562	39.7	1.367	34.7
0.250	6.4	0.219	5.6	0.593	15.1	0.519	13.2	1.593	40.5	1.394	35.4
0.258	6.6	0.226	5.7	0.600	15.2	0.525	13.3	1.750	44.5	1.531	38.9
0.276	7.0	0.242	6.1	0.625	15.9	0.547	13.9	1.781	45.2	1.558	39.6
0.277	7.0	0.242	6.1	0.656	16.6	0.573	14.6	1.812	46.0	1.586	49.3
0.279	7.1	0.244	6.2	0.674	17.1	0.590	15.0	1.968	50.0	1.772	43.7
0.280	7.1	0.245	6.2	0.687	17.4	0.601	15.3	2.062	52.4	1.804	45.8
0.281	7.1	0.246	6.2	0.719	18.3	0.629	16.0	2.343	59.5	2.050	52.1

 

Available Stock

Pipe Type	NB Sizes	Sch 5	Sch 10	Sch 40	Sch 80	Sch 160
Stainless Steel Seamless Tubes	1/8″
Stainless Steel Seamless Tubes	1/4″
Stainless Steel Seamless Tubes	3/8″
Stainless Steel Seamless Tubes	1/2″
Stainless Steel Seamless Tubes	3/4″
Stainless Steel Seamless Tubes	1″
Stainless Steel Seamless Tubes	1 1/4″
Stainless Steel Seamless Tubes	1 1/2″
Stainless Steel Seamless Tubes	2″
Stainless Steel Seamless Tubes	2 1/2″
Stainless Steel Seamless Tubes	3″
Stainless Steel Seamless Tubes	4″
Stainless Steel Seamless Tubes	5″
Stainless Steel Seamless Tubes	6″