ERW Pipe
High Nickel Alloy ERW Pipes offer superior corrosion resistance, stability, and strength when compared to conventional steel pipes. Manufactured using superior-grade alloys, these pipes are best suited for use in extreme temperature and pressure conditions. The pipe's unique properties make it an ideal choice for applications such as petrochemical processing, pharmaceutical production, and seawater cooling systems. High Nickel Alloy ERW Pipes also provide excellent weldability with both arc and gas welding methods.
These pipes are available in a wide range of sizes and lengths allowing them to be installed easily into any system. All our High Nickel Alloy ERW Pipes are manufactured under the strictest quality control standards, ensuring that each product is flawless in its performance. Our highly experienced team of engineers can provide expert guidance on the best alloy for your specific application needs. We also offer custom cut-to-length services to meet any project requirements.
Choose High Nickel Alloy ERW Pipes for superior quality and reliability in extreme conditions. With a range of sizes, lengths, and alloys available, our team of experts will be able to help you find the perfect pipe solution for your unique needs.
Specification of High Nickel Alloy ERW Pipe
Dimensions
ASTM, ASME and API
Specifications
ASTM / ASME SB 163 / 165 / 167
Size
1 / 2"NB TO 12 "NB IN
Schedule
SCH 5, 10, 20, 40, STD, 60, 80, XS
Length
Single, Double & Cut Length.
Form
Round, Square, Rectangular, Hydraulic Etc.
Types Of High Nickel Alloy ERW Pipes
Nickel Alloy Electric Resistance Welded
High Nickel Alloy ERW Round Pipe
Standard Sizes Of MS ERW Pipes
| Type | Sizes in milimeter | Sizes in inches | Tolerance |
| Peeled and Polished | 40.00 - 150.00 | 1.50 - 6.00 | h11, h11-DIN 1013 |
| Cold Drawn and Polish | 3.00 to 75.00 | 1/8 to3.00 | h8 to h11 |
| Cold Drawn and Ground | 10.00 to 75.00 | 5/6 to 2.50 | h8 to h11 |
| Peeled nd Ground | 20.00 - 50.00 | 3/4 - 2.00 | h9 to h11 |
Equivalent Grades Of High Nickel Alloy ERW Pipes
| STANDARD | UNS | WERKSTOFF NR. | AFNOR | EN | JIS | BS | GOST |
| Nickel Alloy 200 | N02200 | 2.4066 | N-100M | Ni 99.2 | NW 2200 | NA 11 | НП-2 |
Applications Of High Nickel Alloy ERW Pipes
Operators in the oil and gas industry demand High Nickel Alloy ERW Pipes for sour gas handling, wellhead connections and offshore subsea lines because they resist the hydrogen sulfide and chloride exposure that destroys carbon steel in a single service cycle. Nickel Alloy ERW Pipes convey intense sulphuric acid, phosphoric acid and caustic solutions with no liner degradation or replacement expenses. Desalination plants handling brine above 80°C rely on High Nickel Alloy Pipes & Tubes for both high-pressure reverse osmosis feed lines and evaporator tube bundles. Power generation cooling circuits, pharmaceutical bioreactors, and marine seawater intake systems all run these pipes where oxidation resistance and thermal stability above 600°C determine equipment uptime.
Features & Benefits of High Nickel Alloy ERW Pipes
The following are major features and an advantages of High Nickel Alloy ERW Pipes
- Corrosion Resistance: Nickel alloys form a stable passive film that holds in chloride-rich, acidic, and caustic environments where 316L stainless fails within months.
- High-Temperature Performance: Grades like Inconel 600 and Hastelloy C276 maintain structural integrity at sustained temperatures above 600°C.
- Dimensional Consistency: ERW manufacturing holds OD and wall thickness tolerances to ASTM B775 limits across full production runs.
- Weldability: All four grades weld cleanly using matched nickel alloy filler metals without post-weld cracking or sensitisation.
- Long Service Life: Correctly specified nickel alloy ERW pipes exceed 20-year service in chemical plant applications without surface coatings.
- Low Maintenance: The self-regenerating passive corrosion layer eliminates the need for periodic chemical passivation treatments.
Chemical Composition of High Nickel Alloy ERW Pipes
Chromium builds oxidation resistance; molybdenum extends performance in reducing acid environments; copper adds protection in sulfuric and marine media. Each grade targets a specific corrosion challenge. The composition table below covers the four grades most frequently supplied.
| Grade | Ni (%) | Cr (%) | Mo (%) | Cu (%) | Fe (%) | Other |
| Nickel 200 | 99.0 min | — | — | 0.25 max | 0.40 max | Mn 0.35 max |
| Monel 400 | 63.0 min | — | — | 28.0–34.0 | 2.5 max | Mn 2.0 max |
| Inconel 600 | 72.0 min | 14.0–17.0 | — | 0.50 max | 6.0–10.0 | C 0.15 max |
| Hastelloy C276 | Balance | 14.5–16.5 | 15.0–17.0 | — | 4.0–7.0 | W 3.0–4.5 |
Mechanical Properties of High Nickel Alloy ERW Pipes
Pipe wall integrity under combined internal pressure and thermal load depends directly on tensile and yield values. Hastelloy C276 delivers the highest tensile performance in the group at 690 MPa minimum; Nickel 200 serves applications where corrosion resistance outweighs load-bearing demands.
| Grade | Tensile Strength | Yield Strength | Elongation | Hardness |
| Nickel 200 | 380–550 MPa | 100–240 MPa | 30–40% | 70–130 HB |
| Monel 400 | 480–540 MPa | 170–310 MPa | 35–40% | 120–150 HB |
| Inconel 600 | 550 MPa min | 240 MPa min | 30% min | 120 HB max |
| Hastelloy C276 | 690 MPa min | 280 MPa min | 40% min | 100 HRB max |
Why Choose Our High Nickel Alloy ERW Pipes?
We manufacture and stock High Nickel Alloy ERW Pipes to ASTM B775, ASME SB775, and applicable DIN specifications across Nickel 200, Monel 400, Inconel 600, and Hastelloy C276. Raw material procurement links to certified mill sources with full heat-level chemical and mechanical traceability. Custom OD, wall thickness and cut lengths are available with a 2 to 4 week lead time on non stocked sizes. Third party inspection (TPIA agencies) helps export orders. Kindly provide your OD, wall, metal grade and quantity for a quote to check stock and lead time.
Weight Chart Of High Nickel Alloy ERW Pipes
|
NPS
|
Outside Diameter
|
Wall Thickness
|
Weight
|
Weight
|
|||
|
in
|
mm
|
in
|
mm
|
Sched
|
kg/Mtr
|
Lb/ft
|
|
|
1/2″
|
0.840
|
21
|
0.109
|
2.769
|
40 STD
|
1.268
|
0.851
|
|
0.147
|
3.734
|
80 STD
|
1.621
|
1.088
|
|||
|
3/4″
|
1.050
|
27
|
0.113
|
2.870
|
40 STD
|
1.684
|
1.131
|
|
0.154
|
3.912
|
80 STD
|
2.195
|
1.474
|
|||
|
1″
|
1.315
|
33
|
0.133
|
3.378
|
40 STD
|
2.501
|
1.679
|
|
0.179
|
4.547
|
80 STD
|
3.325
|
2.172
|
|||
|
1 1/4″
|
1.660
|
42
|
0.140
|
3.556
|
40 STD
|
3.385
|
2.273
|
|
0.191
|
4.851
|
80 STD
|
4.464
|
2.997
|
|||
|
1 1/2″
|
1.900
|
48
|
0.145
|
3.683
|
40 STD
|
4.048
|
2.718
|
|
0.200
|
5.080
|
80 STD
|
5.409
|
3.361
|
|||
|
2″
|
2.375
|
60
|
0.154
|
3.912
|
40 STD
|
5.441
|
3.653
|
|
0.218
|
5.537
|
80 STD
|
7.480
|
5.022
|
|||
|
2 1/2″
|
2.875
|
73
|
0.203
|
5.516
|
40 STD
|
8.629
|
5.793
|
|
0.276
|
7.010
|
80 STD
|
11.411
|
7.661
|
|||
|
3″
|
3.500
|
89
|
0.216
|
5.486
|
40 STD
|
11.284
|
7.576
|
|
0.300
|
7.620
|
80 STD
|
15.272
|
10.253
|
|||
|
4″
|
4.500
|
114
|
0.237
|
6.020
|
16.073
|
10.790
|
|
|
0.337
|
8.560
|
22.318
|
14.983
|
||||
|
6″
|
6.625
|
168
|
0.188
|
4.775
|
19.252
|
12.924
|
|
|
0.203
|
5.516
|
20.739
|
13.923
|
||||
|
0.219
|
5.563
|
22.318
|
14.983
|
||||
|
0.250
|
6.350
|
25.354
|
17.021
|
||||
|
0.280
|
7.112
|
40 STD
|
58.263
|
18.974
|
|||
|
0.312
|
7.925
|
31.334
|
21.036
|
||||
|
0.375
|
9.525
|
37.285
|
25.031
|
||||
|
0.432
|
10.973
|
80 XHY
|
42.561
|
28.573
|
|||
|
0.500
|
12.700
|
48.719
|
32.708
|
||||
|
8″
|
8.625
|
219
|
0.188
|
4.775
|
25.233
|
16.940
|
|
|
0.203
|
5.156
|
27.198
|
18.259
|
||||
|
0.219
|
5.563
|
29.286
|
19.661
|
||||
|
0.250
|
6.350
|
20
|
33.308
|
22.361
|
|||
|
0.277
|
7.036
|
30
|
36.786
|
24.696
|
|||
|
0.322
|
8.179
|
40
|
42.352
|
28.554
|
|||
|
0.375
|
9.525
|
49.216
|
33.041
|
||||
|
0.406
|
10.312
|
60
|
53.085
|
35.638
|
|||
|
0.500
|
12.700
|
80 XHY
|
64.627
|
43.388
|
|||
|
10″
|
10.750
|
273
|
0.188
|
4.775
|
31.588
|
21.207
|
|
|
0.219
|
5.563
|
36.689
|
24.631
|
||||
|
0.250
|
6.350
|
20
|
41.759
|
28.035
|
|||
|
0.307
|
7.798
|
30
|
51.002
|
34.240
|
|||
|
0.344
|
8.738
|
56.946
|
38.231
|
||||
|
0.365
|
9.271
|
40 STD
|
63.301
|
40.483
|
|||
|
0.438
|
11.125
|
71.852
|
48.238
|
||||
|
0.500
|
12.700
|
60 XHY
|
81.530
|
54.735
|
|||
|
0.594
|
15.088
|
80
|
95.969
|
64.429
|
|||
|
12″
|
12.750
|
324
|
0.188
|
4.775
|
37.570
|
25.222
|
|
|
0.219
|
5.563
|
43.657
|
29.309
|
||||
|
0.250
|
6.350
|
49.713
|
33.375
|
||||
|
0.281
|
7.137
|
55.739
|
37.420
|
||||
|
0.312
|
7.925
|
61.735
|
41.445
|
||||
|
0.375
|
9.525
|
73.824
|
49.562
|
||||
|
0.406
|
10.312
|
79.727
|
53.525
|
||||
|
0.500
|
12.700
|
97.438
|
65.415
|
||||
|
0.562
|
14.275
|
108.966
|
73.154
|
||||
|
14″
|
14.000
|
356
|
0.188
|
4.775
|
41.308
|
27.732
|
|
|
0.219
|
5.563
|
48.012
|
32.233
|
||||
|
0.250
|
6.350
|
20
|
54.685
|
36.713
|
|||
|
0.281
|
7.137
|
61.327
|
41.172
|
||||
|
0.312
|
7.925
|
67.939
|
45.611
|
||||
|
0.375
|
9.525
|
STD
|
81.281
|
54.568
|
|||
|
0.438
|
11.125
|
40
|
94.498
|
63.441
|
|||
|
0.500
|
12.700
|
XHY
|
107.381
|
72.090
|
|||
| 0.625 |
15.875
|
132.983
|
89.278
|
||||
|
16”
|
16.000
|
406
|
0.188
|
4.775
|
47.290
|
21.748
|
|
|
0.219
|
5.563
|
54.980
|
36.910
|
||||
|
0.250
|
6.350
|
10
|
62.639
|
42.053
|
|||
|
0.281
|
7.137
|
70.268
|
47.174
|
||||
|
0.312
|
7.925
|
20
|
77.866
|
52.275
|
|||
|
0.344
|
8.738
|
85.677
|
57.519
|
||||
|
0.375
|
9.525
|
30 STD |
93.213
|
62.578
|
|||
|
0.438
|
11.125
|
108.433
|
72.797
|
||||
|
0.500
|
12.700
|
40 XHY |
123.289
|
82.770
|
|||
|
18″
|
18.000
|
457
|
0.219
|
5.563
|
61.948
|
41.588
|
|
|
0.250
|
6.350
|
70.593
|
47.393
|
||||
|
0.281
|
7.137
|
79.208
|
53.176
|
||||
|
0.312
|
7.925
|
20
|
87.792
|
58.939
|
|||
|
0.375
|
9.525
|
STD
|
105.144
|
70.588
|
|||
|
0.438
|
11.125
|
30
|
122.369
|
82.152
|
|||
|
0.500
|
12.700
|
XHY
|
139.198
|
93.450
|
|||
|
0.562
|
14.275
|
40
|
155.904
|
104.666
|
|||
|
0.625
|
15.875
|
172.754
|
115.978
|
||||
|
20″
|
20.000
|
508
|
0.250
|
6.350
|
78.547
|
52.733
|
|
|
0.282
|
7.163
|
88.458
|
59.386
|
||||
|
0.312
|
7.925
|
97.719
|
65.604
|
||||
|
0.375
|
9.525
|
20 STD
|
117.075
|
78.598
|
|||
|
0.438
|
11.125
|
136.305
|
91.508
|
||||
|
0.500
|
12.700
|
30 XHY
|
155.106
|
104.130
|
|||
|
0.594
|
15.088
|
40
|
183.378
|
123.110
|
|||
|
0.625
|
15.875
|
192.640
|
129.328
|
||||
|
0.688
|
17.475
|
211.368
|
141.901
|
||||
|
24″
|
24.000
|
610
|
0.250
|
6.350
|
94.456
|
63.413
|
|
|
0.281
|
7.137
|
106.029
|
71.183
|
||||
|
0.312
|
7.925
|
117.573
|
18.932
|
||||
|
0.375
|
9.525
|
20 STD
|
140.938
|
64.618
|
|||
|
0.438
|
11.125
|
164.176
|
110.219
|
||||
|
0.500
|
12.700
|
XHY
|
186.923
|
125.490
|
|||
|
0.625
|
15.875
|
232.410
|
156.028
|
||||
|
0.688
|
17.475
|
40
|
255.148
|
171.293
|
|||
|
0.750
|
19.050
|
277.401
|
186.233
|
||||
|
30″
|
30.000
|
762
|
0.250
|
6.350
|
118.318
|
79.433
|
|
|
0.281
|
7.137
|
132.851
|
89.189
|
||||
|
0.312
|
7.925
|
10
|
147.353
|
98.925
|
|||
|
0.375
|
9.525
|
STD
|
176.731
|
118.648
|
|||
|
0.438
|
11.125
|
205.983
|
138.286
|
||||
|
0.500
|
12.700
|
20 XHY
|
234.647
|
157.530
|
|||
|
0.625
|
15.875
|
30
|
292.066
|
196.078
|
|||
|
0.688
|
17.475
|
320.817
|
215.380
|
||||
|
0.750
|
19.050
|
348.988
|
234.293
|
||||
|
36″
|
36.000
|
914
|
0.250
|
6.350
|
142.180
|
95.453
|
|
|
0.281
|
7.137
|
159.672
|
107.196
|
||||
|
0.312
|
7.925
|
10
|
177.133
|
118.918
|
|||
|
0.375
|
9.525
|
STD
|
215.525
|
142.678
|
|||
|
0.438
|
11.125
|
247.790
|
166.353
|
||||
|
0.500
|
12.700
|
20 XHY
|
282.372
|
198.570
|
|||
|
0.625
|
15.875
|
351.723
|
236.128
|
||||
|
0.688 |
17.475
|
386.487
|
259.467
|
||||
|
0.750 |
19.050
|
420.576
|
282.353
|
||||
|
42″
|
42.000
|
1067
|
0.312
|
7.925
|
206.914
|
138.911
|
|
|
0.375
|
9.525
|
STD
|
248.319
|
166.708
|
|||
|
0.500
|
12.700
|
XHY
|
33.097
|
221.610
|
|||
|
0.750
|
19.050
|
492.163
|
330.413
|
||||
|
48″
|
48.000
|
1219
|
0.375
|
9.525
|
STD
|
284.112
|
190.738
|
|
0.438
|
11.125
|
331.404
|
222.487
|
||||
|
0.500
|
12.700
|
XHY
|
377.822
|
253.650
|
|||
|
0.750
|
19.050
|
563.750
|
378.473
|
||||
|
0.875
|
22.225
|
655.969
|
440.383
|
||||
FAQs
Oil & gas, petrochemical, chemical processing, pharmaceutical, marine, desalination, and
power generation are the primary sectors. Any process line carrying chloride-rich media,
concentrated acids, or gases above 400°C is a strong candidate.
All four grades resist chloride pitting, crevice corrosion, and oxidation. Hastelloy C276
handles both hydrochloric and sulfuric acid service where austenitic stainless grades fail within
the first year of operation.
We hold Nickel 200, Monel 400, Inconel 600, and Hastelloy C276 in stock. Inconel 625 and Alloy
20 are available on 4-6 week lead times.
ERW pipes form from strip stock welded along a longitudinal seam; seamless pipes extrude from
solid billet. ERW delivers tighter dimensional tolerances and suits lower-pressure service.
Seamless handles higher pressure classes and carries no weld-line risk.
Custom OD from 6 mm to 168 mm, wall schedules from SCH 5 to SCH 80, and lengths up to 12 meters
are available. Contact us with your full specification to confirm feasibility and lead time.
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South Africa, Vietnam, New Zealand, Philippines, Taiwan, Israel, Germany, Italy, Saudi Arabia, Hong Kong, Oman, Austria, Australia, Bahrain, Qatar, Canada, Spain, Mexico, Japan, Switzerland, China, Bhutan, Denmark, France, Poland, Morocco, Afghanistan, Netherlands, South Korea, Malaysia, Sri Lanka, Tibet, Nepal, Greece, Russia, Belgium, Singapore, Egypt, United Arab Emirates, United Kingdom, Sweden, Norway, Thailand, Kuwait, United States. -
Cities
Delhi, Visakhapatnam, Noida, Ludhiana, Bengaluru, Kolkata, New Delhi, Mumbai, Jamshedpur, Ahmedabad, Kanpur, Ahmedabad, Navi Mumbai, Thane, Jaipur, Howrah, Chennai, Gurgaon, Faridabad, Ernakulam, Thiruvananthapuram, Surat, Secunderabad, Indore, Nashik, Ranchi, Hyderabad, Chandigarh, Haryana, Pune, Nagpur, Rajkot, Bhopal, Pimpri-Chinchwad.