Rajat Steel & Engineering Co

Pipes & Tubes Supplier

RAJAT STEEL & ENGG. CO. is a trusted manufacturer, Supplier , and stockist of high-quality piping components and steel products. With a strong focus on precision engineering and reliability, we offer a wide range of products including pipes, tubes, fittings, flanges, and plates in stainless steel, carbon steel, alloy steel, and exotic metals. Serving industries such as oil & gas, petrochemical, power, and construction, we are committed to meeting global standards with timely delivery and complete customer satisfaction.

Experts in Producing Austenitic Stainless Steel Seamless Pipes in India. Explore SS ERW Pipe Sizes and Weight Chart in MM.

Stainles Steel Pipes

SS ERW Pipe

Austenitic Stainless Steel Seamless Pipe

Martensitic & Ferritic Stainless Steel Welded Pipe

ASME SA 312 SS Schedule 40 Pipe

ASTM A312 Stainless Steel Square Pipe

Trusted Supplier of All Grades of Pipes – We Maintain Bulk Stock of Seamless and Welded Pipes at Our Stockyard. View Latest Tubing Prices.

A variety of Nickel chromium alloys are available in the market. However, Inconel 625 Pipe is the only one that provides high fabricability along with high strength and resistance to corrosion. Properties of Inconel 625 erw pipe dependent upon the dimensions and heat treatment that is used. They are available in different shapes and sizes like Inconel 625 square pipe and Alloy 625 rectangular pipe are a few examples.

The Inconel 625 Seamless Pipe is not affected by the oxidizing chemicals that might be present in liquid solutions or its environment. In a non-oxidizing environment Inconel, 625 welded pipe derives its resistance to corrosion from the high nickel and molybdenum. The High molybdenum also assists in resisting local crevice corrosion and pitting which was noted by Inconel 625 Pipe Suppliers in Mumbai. Inconel 625 Tubes are usually made up of this alloy. Inconel 625 exhaust tubes are said to be non-magnetic alloy.

To protect ASME Sb 444 Uns N06625 Welded Pipe from sensitization, niobium is added. According to Inconel 625, Pipe Suppliers adding niobium also prevents intergranular cracking. ASTM B444 UNS N06625 pipe shave 2 standard specifications ATSM B444, and ASME SB 444. Inconel 625 Pipe Price range from Rs.4,000 to Rs.59,000 .Inconel Alloy 625 Round Pipe are similar chemical as well as mechanical properties of ASME SB444 UNS N06625.

Nickel Alloy 625 Pipes are ductile and are readily formed by cold working. There are available in 2 types
AMS 5581 type 1 (they are seamless and drawn)
AMS 5581 type 2 ( they are welded and drawn)
On the other hand, Alloy 625 Tube is well known for its high tensile strength and high corrosion resistance. Inconel 625 Tubing maintains this high tensile strength at 2000 degrees F as well according to Inconel 625 Tube Suppliers.

Furthermore, in the presence of chloride ions, Inconel 625 Seamless Tubing is said to resist stress-related corrosion cracking. This is why Inconel 625 seamless Tubes do not show oxidation and corrosion so often. UNS N06625 Tube has a tensile strength of 1,35,000 -psi 930-MPa and yield strength of 75,000-psi 517 MPa. Inconel 625 Tubing Price starts at Rs.3200 in India which is the cheapest compared to other countries. Alloy 625 tubing is available in a variety of sizes and shapes.We are here to guide you through all the varieties of these pipes and assist you in making the right decision.

What is Stainless Steel Pipe ?

Stainless Steel Pipe Pipes are made up of various elements. An iron and carbon alloy manufactured in 2 step process is known as stainless steel. And the pipes produced from it are called Stainless Steel Pipes. It is a modified version of steel that has chromium and nickel as the main element. Stainless steel pipe suppliers in India recommend these pipes as when they are exposed to water they prevent rusting and when exposed to acid they prevent corrosion.

Specification Format of Austenitic Stainless Steel Seamless Pipe

Product Specification - Stainless Steel Pipes
Product	Stainless Steel Pipes
Size OD (mm)	6.00 to 610.00
Type	Welded, Seamless, 100% X Ray Welded, ERW
Length (mm)	3000, 6000, 12000, 2000, Custom Length
Thickness (mm)	0.5 mm - 30 mm
Packing	Bundled Packing
Finish	2B, Annealed & Pickled, Mirror, No.4, Polish
Services	Beveling, Cutting, Polishing, Threading

Stainless Steel Pipes Manufacturing Grades

Grades of Stainless Steel Pipes
Grades of Austenite Stainless Steel Pipes	316/316L, 304/304L, 304LN, 321/321H, 304H, 310S, 316Ti, 317L, 904L, 347/347H
Grades of Martensite Stainless Steel Pipes	410S, 446

Stainless Steel Seamless Pipes Wall Thickness Tolerance

NPS	ASTM A312 Wall Thickness Tolerance, %
NPS	+	–
3~18, t/D ≤ 5%	22.05	12.05
≥ 20, seamless, t/D ≤ 5%	22.05	12.05
1/8 – 2 1/2	20	12.05
≥ 20, welded	17.05	12.05
3~18, t/D > 5%	15	12.05
≥ 20, seamless, t/D > 5%	15	12.05

Wall Thickness of Stainless Steel Round Pipe

Type	Wall Thickness	Outer Diameter (OD)	Length
Stainless Steel ERW Pipes	As per requirement	1/2" NB – 24" NB	Custom
Welded Stainless Steel Pipes	Available & As per requirement	1/2" NB – 24" NB	Custom
Stainless Steel Seamless Pipes	SCH 10 / SCH 5 / SCH 40 / SCH 80 / SCH 160	1/2" NB – 60" NB	Custom
Stainless Steel SAW Pipes	As per requirement	16" NB – 100" NB	Custom

Astm A312 Stainless Steel Square Pipe OD

Outside Diameter Tolerance	Over (in.)	Over (mm)	NPS [DN Designator]	Under (in.)	Under (mm)
1/64 (0.0015)	0.04	—	1/8 to 1-1/2 [6 to 40], incl	1/64 (0.0015)	0.04
1/32 (0.0031)	0.08	—	Over 1-1/2 to 4 [40 to 100], incl	1/32 (0.0031)	0.08
1/16 (0.0062)	1.06	—	Over 4 to 8 [100 to 200], incl	1/32 (0.0031)	0.08
3/32 (0.0093)	2.04	—	Over 8 to 18 [200 to 450], incl	1/32 (0.0031)	0.08
1/8 (0.0125)	3.02	—	Over 18 to 26 [450 to 650], incl	1/32 (0.0031)	0.08
5/32 (0.0156)	4.00	—	Over 26 to 34 [650 to 850], incl	1/32 (0.0031)	0.08
3/16 (0.0187)	4.08	—	Over 34 to 48 [850 to 1200], incl	1/32 (0.0031)	0.08

Martensitic & Ferritic Stainless Steel Welded Pipe Weight Chart

Size	Other Diameter	WT	Gallon	Weight	Pipes I.D	Section Modulus	Standard to XXHY	Schedule
1/2	0.084	0.0109	.00158	0.085	0.0622	.00407	STD	40
	0.0147	.00122	1.009	0.0546	.00478	XHY	80
	0.0188	.00088	1.031	0.0464	.00528		160
3/4	1.005	0.0113	.00277	1.013	0.0824	.00705	STD	40
	0.0154	.00225	1.048	0.0742	.00853	XHY	80
	0.0219	.00153	1.095	0.0612	.01006		160
1	1.0315	0.0133	.00449	1.068	1.0049	.01328	STD	40
	0.0179	.00374	2.017	0.0957	.01606	XHY	80
	0.0250	.00271	2.085	0.0815	.01904		160
1 1/4	1.066	0.0140	.00777	2.027	1.0380	.02346	STD	40
	0.0191	.00666	3.000	1.0278	.02913	XHY	80
	0.0250	.00549	3.077	1.0160	.03421		160
1 1/2	1.090	0.0145	.01058	2.072	1.0610	.03262	STD	40
	0.0200	.00918	3.063	1.0500	.04118	XHY	80
	0.0281	.00730	4.086	1.0338	.05079		160
2	2.0375	0.0109	.01898	2.064	2.0157	.04205		10
	0.0154	.01743	3.066	2.0067	.05606	STD	40
	0.0218	.01534	5.003	1.0939	.07309	XHY	80
	0.0250	.01434	5.068	1.0875	.08045
	0.0281	.01344	6.029	1.0813	.08666
	0.0344	.01161	7.047	1.0687	.09806		160
2 1/2	2.0875	0.0120	.02833	3.053	2.0635	.06870		10
	0.0203	.02487	5.080	2.0469	1.00640	STD	40
	0.0216	.02435	6.014	2.0443	1.01169
	0.0250	.02301	7.002	2.0375	1.02468
	0.0276	.02202	7.067	2.0323	1.03386	XHY	80
	0.0375	.01842	10.002	2.0125	1.06371		160
3	3.050	0.0120	.04336	4.034	3.0260	1.00411
	0.0156	.04147	5.058	3.0188	1.03122
	0.0172	.04064	6.012	3.0156	1.04265
	0.0188	.03984	6.066	3.0124	1.05342
	0.0216	.03840	7.058	3.0068	1.07241	STD	40
	0.0250	.03672	8.069	3.0000	1.09372
	0.0281	.03521	9.067	2.0938	2.01207
	0.0300	.03431	10.026	2.0900	2.02253	XHY	80
	0.0438	.02811	14.034	2.0624	2.08774		160
3 1/2	4.00	0.0120	.05768	4.098	3.0760	1.03776		10
	0.0226	.05136	9.012	3.0548	2.03939	STD	140
	0.0250	.04998	10.002	3.0500	2.06001
	0.0281	.04821	11.017	3.0438	2.08562
	0.0318	.04617	12.052	3.0364	3.01400	XHY	80
4	4.05	0.0120	.07404	5.062	4.0260	1.07612		10
	0.0156	.07156	7.024	4.0188	2.02354
	0.0188	.06942	8.067	4.0124	2.06296
	0.0203	.06838	9.032	4.0094	2.08173
	0.0219	.06725	10.002	4.0062	3.00184
	0.0237	.06613	10.080	4.0026	3.02145	STD	40
	0.0250	.06528	11.036	4.0000	3.03611
	0.0281	.06326	12.067	3.0938	3.07021		60
	0.0312	.06126	13.097	3.0876	4.00273
	0.0337	.05972	15.000	3.0826	4.02713	XHY	80
	0.0438	.05361	19.002	3.0624	5.01790		120
	0.0531	.04822	22.053	3.0438	5.08997		160
5	5.0563	0.0188	1.00979	10.080	5.0187	4.01161
	0.0219	1.00716	12.051	5.0125	4.07279
	0.0258	1.00391	14.063	5.0047	5.04500	STD	40
	0.0281	1.00204	15.087	5.0001	5.08644
	0.0312	.099647	17.051	4.0939	6.04074
	0.0344	.09696	19.019	4.0875	6.09358
	0.0375	.09449	20.080	4.0813	7.04300	XHY	80
	0.0500	.08495	27.006	4.0563	9.02534		120
	0.0625	.07590	32.099	4.0313	10.07976		160
6	6.0625	0.0109	1.06748	7.059	6.0407	3.05769		5
	0.0134	1.06488	9.030	6.0357	4.03475		10
	0.0156	1.06260	10.079	6.0313	5.00107
	0.0188	1.05937	12.094	6.0249	5.09351
	0.0203	1.05780	13.094	6.0219	6.03804
	0.0219	1.05620	15.000	6.0187	6.08261
	0.0250	1.05306	17.004	6.0125	7.06905
	0.0280	1.05008	18.099	6.0065	8.04958	STD	40
	0.0312	1.04688	21.006	6.0001	9.03416
	0.0344	1.04391	23.010	5.0937	10.0111
	0.0375	1.04082	25.005	5.0875	10.0893
	0.0432	1.03541	28.060	5.0761	12.0224	XHY	80
	0.0500	1.02909	32.074	5.0625	13.0711
	0.0562	1.02346	36.043	5.0501	14.09806		120
	0.0625	1.01787	40.009	5.0375	16.01821
	0.0719	1.00977	45.039	5.0187	17.08243		160
	0.0864	.09784	53.021	4.0897	20.0025	XXHY
	1.0000	.08727	60.013	4.0625	21.07719
	1.0125	.07809	66.014	4.0375	23.01237

Astm A312 Stainless Steel Square Pipe OD

Outside Diameter Tolerance	Over (in.)	Over (mm)	NPS [DN Designator]	Under (in.)	Under (mm)
1/64 (0.0015)	0.04	—	1/8 to 1-1/2 [6 to 40], incl	1/64 (0.0015)	0.04
1/32 (0.0031)	0.08	—	Over 1-1/2 to 4 [40 to 100], incl	1/32 (0.0031)	0.08
1/16 (0.0062)	1.06	—	Over 4 to 8 [100 to 200], incl	1/32 (0.0031)	0.08
3/32 (0.0093)	2.04	—	Over 8 to 18 [200 to 450], incl	1/32 (0.0031)	0.08
1/8 (0.0125)	3.02	—	Over 18 to 26 [450 to 650], incl	1/32 (0.0031)	0.08
5/32 (0.0156)	4.00	—	Over 26 to 34 [650 to 850], incl	1/32 (0.0031)	0.08
3/16 (0.0187)	4.08	—	Over 34 to 48 [850 to 1200], incl	1/32 (0.0031)	0.08

SS Pipe Schedule

IPS Size	Outer Diameter (O.D.)	Available Schedules
1/8" IPS	0.405"	SCH 40, 80
1/4" IPS	0.540"	SCH 40, 10, 80
3/8" IPS	0.675"	SCH 40, 10, 80
1/2" IPS	0.840"	SCH 10, 5, 80, 40, 160, 120, XXH
3/4" IPS	1.050"	SCH 10, 5, 80, 40, 160, 120, XXH
1" IPS	1.315"	SCH 10, 20, TRUE 80 (.500), 40, 80 (.500), SCH 5, 40, 10, 160, XXH
1-1/4" IPS	1.660"	SCH 10, 20, TRUE 40 (.406), 40 (.375), SCH 80 (.500), 40, 10, 160, XXH
1-1/2" IPS	1.900"	SCH 10 (.188), SCH 40 (.375), 40, 10, 160, 80, XXH
2" IPS	2.375"	SCH 10 (.188), SCH 40 (.375), 40, 10, 160, 80, XXH
2-1/2" IPS	2.875"	SCH 40 (.375), 40, 10, 160, 80, XXH
3" IPS	3.500"	SCH 5, 40, 10, 160, 80, XXH
3-1/2" IPS	4.000"	SCH 40, 10, 160, 80, XXH
4" IPS	4.500"	SCH 40, 10, 160, 80, XXH
5" IPS	5.563"	SCH 40, 10, 160, 80, XXH
6" IPS	6.625"	SCH 10, 5, 80, 40, 160, 120, XXH
8" IPS	8.625"	SCH 40, 10, 160, 80, XXH
10" IPS	10.750"	SCH 10, 20, TRUE 80 (.500), 40, 80 (.500), SCH 5, 40, 10, 160, XXH
12" IPS	12.750"	SCH 10, 20, TRUE 40 (.406), 40 (.375), SCH 80 (.500), 40, 10, 160, XXH
14" IPS	14.000"	SCH 10 (.188), SCH 40 (.375), 40, 10, 160, 80, XXH
16" IPS	16.000"	SCH 10 (.188), SCH 40 (.375), 40, 10, 160, 80, XXH
18" IPS	18.000"	SCH 40 (.375), 40, 10, 160, 80, XXH

ASME SA 312 SS Schedule 40 Pipe Dimension Schedule

NPS	Outside Diameter (in)	Outside Diameter (mm)	Schedule 5S		Schedule 10S		Schedule 40S		Schedule 80S
NPS	Outside Diameter (in)	Outside Diameter (mm)	in	mm	in	mm	in	mm	in	mm
1/8	0.041	10.029	–	–	0.0049	1.024	0.0068	1.073	0.0095	2.041
1/4	0.054	13.072	–	–	0.0065	1.065	0.0088	2.024	0.0119	3.002
3/8	0.068	17.015	–	–	0.0065	1.065	0.0091	2.031	0.0126	3.020
1/2	0.084	21.034	0.0065	1.065	0.0083	2.011	0.0109	2.077	0.0147	3.073
3/4	1.005	26.067	0.0065	1.065	0.0083	2.011	0.0113	2.087	0.0154	3.091
1	1.032	33.040	0.0065	1.065	0.0109	2.077	0.0133	3.038	0.0179	4.055
1 1/4	1.066	42.016	0.0065	1.065	0.0109	2.077	0.014	3.056	0.0191	4.085
1 1/2	1.090	48.026	0.0065	1.065	0.0109	2.077	0.0145	3.068	0.020	5.008
2	2.038	60.033	0.0065	1.065	0.0109	2.077	0.0154	3.091	0.0218	5.054
2 1/2	2.088	73.003	0.0083	2.011	0.012	3.005	0.0203	5.016	0.0276	7.001
3	3.050	88.090	0.0083	2.011	0.012	3.005	0.0216	5.049	0.030	7.062
3 1/2	4.000	101.060	0.0083	2.011	0.012	3.005	0.0226	5.074	0.0318	8.008
4	4.050	114.030	0.0083	2.011	0.012	3.005	0.0237	6.002	0.0337	8.056
5	5.056	141.030	0.0109	2.077	0.0134	3.040	0.0258	6.055	0.0375	9.052
6	6.063	168.028	0.0109	2.077	0.0134	3.040	0.028	7.011	0.0432	10.097
8	8.063	219.008	0.0109	2.077	0.0148	3.076	0.0322	8.018	0.050	12.070
10	10.075	273.005	0.0134	3.040	0.0165	4.019	0.0365	9.027	0.050	12.070
12	12.075	323.085	0.0156	3.096	0.018	4.057	0.0375	9.052	0.050	12.070
14	14.000	355.060	0.0156	3.096	0.0188	4.078	–	–	–	–
16	16.000	406.040	0.0165	4.019	0.0188	4.078	–	–	–	–
18	18.000	457.020	0.0165	4.019	0.0188	4.078	–	–	–	–
20	20.000	508.000	0.0188	4.078	0.0188	4.078	–	–	–	–
22	22.000	558.080	0.0188	4.078	0.0218	5.054	–	–	–	–
24	24.000	609.060	0.0218	5.054	0.025	6.035	–	–	–	–
30	30.000	762.000	0.025	6.035	0.0312	7.092	–	–	–	–

Tolerance Chart of Polished Chromium Nickel Seamless Stainless Steel Pipe

Tolerance (%)	Outside Diameter (inch)
+22.05 / -12.05	3 ≤ OD ≤ 18, WT/OD ≤ 5%
+20.00 / -12.05	1/8 ≤ OD ≤ 2-1/2
+22.05 / -12.05	OD ≥ 20, WT/OD ≤ 5%
+15.00 / -12.05	3 ≤ OD ≤ 18, WT/OD > 5%
+15.00 / -12.05	OD ≥ 20, WT/OD > 5%

Stainless steel pipe for sale

Pipe Type
Austenitic Stainless Seamless Pipes
Stainless Seamless Pipes
SS ERW Pipes
Stainless Round Pipes
High-Temperature Stainless Pipes
ASTM A312 Stainless Square Pipes
Super Ferritic Stainless Rectangular Pipes
Martensitic & Ferritic Stainless Welded Pipes
ASME SA 312 SS Schedule 40 Pipes
Polished Chromium Nickel Seamless Stainless Pipes
ASME B36.19 Stainless Pipes
ASTM A312 Stainless Boiler Pipes
SS Pipes
Stainless Welded Pipes
Electropolished Stainless Pipes

ASME B36.19 Stainless Steel Pipes Yield Strength

Material	Temperature (°F/°C)	Heat Treatment	Yield Strength Ksi (MPa), Min.	Tensile Strength Ksi (MPa), Min.	Elongation %, Min.
TP304	1900 (1040)	Solution	30 (205)	75 (515)	35
TP304L	1900 (1040)	Solution	25 (170)	70 (485)	35
TP304H	1900 (1040)	Solution	30 (205)	75 (515)	35
TP310S	1900 (1040)	Solution	30 (205)	75 (515)	35
TP316	1900 (1040)	Solution	30 (205)	75 (515)	35
TP316L	1900 (1040)	Solution	25 (170)	70 (485)	35
TP316H	1900 (1040)	Solution	30 (205)	75 (515)	35
TP316Ti	1900 (1040)	Solution	30 (205)	75 (515)	35
TP321	1900 (1040)	Solution	30 (205)	75 (515)	35
TP321H	Cold: 2000 (1100) Hot: 1925 (1050)	Solution	30 (205)	75 (515)	35
TP347	1900 (1040)	Solution	30 (205)	75 (515)	35
TP347H	Cold: 2000 (1100) Hot: 1925 (1050)	Solution	30 (205)	75 (515)

ASTM A312 Stainless Steel boiler pipes Chemical Composition

A312 Grades	UNS	P	C	Cr	Ni	S	Mn	Si	Ti	Mo	Nb	N
TP304	S30400	0.0045	0.008	18.00-20.00	8.00-11.00	0.003	2	1
TP304L	S30403	0.0045	0.0035	18.00-20.00	8.00-13.00	0.003	2	1
TP304H	S30409	0.0045	0.004-0.010	18.00-20.00	8.00-11.00	0.003	2	1
TP304N	S30451	0.0045	0.008	18.00-20.00	8.00-18.00	0.003	2	1				0.010-0.016
TP304LN	S30453	0.0045	0.0035	18.00-20.00	8.00-12.00	0.003	2	1				0.010-0.016
TP309S	S30908	0.0045	0.008	22.00-24.00	12.00-15.00	0.003	2	1		0.075
TP309H	S30909	0.0045	0.004-0.010	22.00-24.00	12.00-15.00	0.003	2	1
TP309Cb	S30940	0.0045	0.008	22.00-24.00	12.00-16.00	0.003	2	1		0.075	10xC min 1.010 max
TP309HCb	S30941	0.0045	0.004-0.010	22.00-24.00	12.00-16.00	0.003	2	1		0.075	10xC min 1.010 max
TP310S	S31008	0.0045	0.008	24.00-26.00	19.00-22.00	0.003	2	1		0.075
TP310H	S31009	0.0045	0.004-0.010	24.00-26.00	19.00-22.00	0.003	2	1
TP310Cb	S31040	0.0045	0.008	24.00-26.00	19.00-22.00	0.003	2	1		0.075	10xC min 1.010 max
TP310HCb	S31041	0.0045	0.004-0.010	24.00-26.00	19.00-22.00	0.003	2	1		0.075	10xC min 1.010 max
TP316	S31600	0.0045	0.008	16.00-18.00	11.00-14.00	0.003	2	1		2.00-3.00
TP316L	S31603	0.0045	0.0035	16.00-18.00	10.00-14.00	0.003	2	1		2.00-3.00
TP316H	S31609	0.0045	0.004-0.010	16.00-18.00	11.00-14.00	0.003	2	1		2.00-3.00
TP316Ti	S31635	0.0045	0.008	16.00-18.00	10.00-14.00	0.003	2	0.075	5x(C-N)-0.07	2.00-3.00		0.01
TP316N	S31651	0.0045	0.008	16.00-18.00	10.00-14.00	0.003	2	1		2.00-3.00		0.010-0.016
TP316LN	S31653	0.0045	0.0035	16.00-18.00	11.00-14.00	0.003	2	1		2.00-3.00		0.010-0.016
TP317	S31700	0.0045	0.008	18.00-20.00	10.00-14.00	0.003	2	1		3.00-4.00
TP317L	S31703	0.0045	0.0035	18.00-20.00	11.00-15.00	0.003	2	1		ąs3.00-4.00
TP321	S32100	0.0045	0.008	17.00-19.00	9.00-12.00	0.003	2	1				0.01
TP321H	S32109	0.0045	0.004-0.010	17.00-19.00	9.00-12.00	0.003	2	1				0.01
TP347	S34700	0.0045	0.008	17.00-19.00	9.00-13.00	0.003	2	1
TP347H	S34709	0.0045	0.004-0.010	17.00-19.00	9.00-13.00	0.003	2	1
TP347LN	S34751	0.0045	0.005-0.020	17.00-19.00	9.00-13.00	0.003	2	1			0.020-0.50	0.006-0.010
TP348	S34800	0.0045	0.008	17.00-19.00	9.00-13.00	0.003	2	1
TP348H	S34809	0.0045	0.004-0.010	17.00-19.00	9.00-13.00	0.003	2	1