Super Duplex Round Bar (UNS S32750 & UNS S32760)

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  • Super Duplex Round Bar (UNS S32750 & UNS S32760)

Unifit Fastener stands as a trusted manufacturer, supplier, and exporter of premium Super Duplex Round Bars, including the renowned Super Duplex Steel S32750 and S32760 grades. Our product range covers various sizes and grades of super duplex bars tailored to meet diverse industrial needs. Certified and quality-assured, our Super Duplex 2507 Round Bars are designed to deliver exceptional mechanical strength and corrosion resistance.

We specialize in producing customized Super Duplex Steel S32750 Flat Bars and Square Bars that conform to strict manufacturing standards, ensuring durability and performance. Our Super Duplex Steel S32750 Threaded Bars come in multiple thicknesses and sizes, available at competitive prices, catering to specific client requirements.

Every batch of Super Duplex Steel S32760 Hollow Bars undergoes rigorous quality checks, guaranteeing a faultless product delivered within agreed timelines. Utilizing advanced manufacturing techniques and premium raw materials, our Super Duplex 2507 Round Bars offer outstanding resistance to pitting, crevice, and stress corrosion, making them ideal for critical applications.

Our standing among super duplex bar suppliers is bolstered by our commitment to quality, timely delivery, and customer satisfaction, providing bars that meet and exceed industry standards.

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Super Duplex Round Bar Specifications

Explore the key specifications that define the quality and performance of super duplex round bars in various industrial applications.

Property Specification
Specification ASTM A276, A479 / ASME SA276, SA479, ASTM A182
Standard EN, DIN, JIS, ASTM, BS, ASME, AISI
Round Bars Outside Diameter in the range of 4mm to 500mm
Bright Bars Outside Diameter in the range of 4mm to 100mm
Hex Bars 18mm – 57mm (11/16″ to 2-3/4″)
Square Bars 18mm – 47mm (11/16″ to 1-3/4″)
Finish Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish
Length 1 to 6 Meters, Custom Cut Lengths
Form Round, Square, Hex (A/F), Rectangle Etc.

Types of Super Duplex Round Bars

Learn about the different forms of super duplex round bars available, tailored to meet diverse engineering and manufacturing needs.

Super Duplex S32750/S32760 Bars & Rods Types

  • Super Duplex S32750 Polish Round Bar
  • Super Duplex S32760 Cold Drawn Bars
  • Super Duplex UNS S32750 Hexagonal Bar
  • UNS S32760 Super Duplex Forged Bars
  • Super Duplex Steel S32750 Threaded Bar
  • Super Duplex Steel S32760 Hollow Bars
  • UNS S32750 Super Duplex Black Bar
  • 2507 Super Duplex Bright Round Bar
  • Super Duplex S32760 Hexagon Bar
  • Super Duplex S32750/S32760 Rods
  • Super Duplex 2507 Forged Round Bar
  • UNS S32750/ S32760 Half-Round Bar
  • Super Duplex Steel S32760 Triangle Bar
  • UNS S32750/ S32760 Rectangular Bar
Super Duplex Steel S32750/S32760 Round Bars

Super Duplex Round Bar Grades

Equivalent Grades of Super Duplex Round Bars

Identify the international equivalent grades of super duplex round bars to ensure compatibility across industries.

GradeUNSENW-NrDINAFNORSS
Duplex 2707 HD BarsS32707–––––
Duplex 2507 BarsS327501.4410–X 2 CrNiMoN 25 7 4–2328

UNS S32750 Hollow Bar Sizes

Standard sizes and dimensions available for UNS S32750 hollow bars to fit various industrial requirements.

Size
Chucked true to OD
Chucked true to ID
OD,
mm
ID,
mm
Max. OD,
mm
Min. ID,
mm
Max. OD,
in.
Min. ID,
in.
Max. OD,
mm
Min. ID,
mm
Max. OD,
in.
Min. ID,
in.
32
20
31
21.9
1.220
0.862
30
21
1.185
0.827
32
16
31
18
1.220
0.709
30
17
1.181
0.669
36
25
35
26.9
1.378
1.059
34.1
26
1.343
1.024
36
20
35
22
1.378
0.866
34
21
1.339
0.827
36
16
35
18.1
1.378
0.713
33.9
17
1.335
0.669
40
28
39
29.9
1.535
1.177
38.1
29
1.500
1.142
40
25
39
27
1.535
1.063
38
26
1.496
1.024
40
20
39
22.1
1.535
0.870
37.9
21
1.492
0.827
45
32
44
33.9
1.732
1.335
43.1
33
1.697
1.299
45
28
44
30
1.732
1.181
43
29
1.693
1.142
45
20
44
22.2
1.732
0.874
42.8
21
1.685
0.827
50
36
49
38
1.929
1.496
48
37
1.890
1.457
50
32
49
34.1
1.929
1.343
47.9
33
1.886
1.299
50
25
49
27.2
1.929
1.071
47.8
26
1.882
1.024
56
40
55
42
2.165
1.654
54
41
2.126
1.614
56
36
55
38.1
2.165
1.500
53.9
37
2.122
1.457
56
28
55
30.3
2.165
1.193
53.7
29
2.114
1.142
63
50
62
51.9
2.441
2.043
61.1
51
2.406
2.008
63
45
62
47
2.441
1.850
61
46
2.402
1.811
63
40
62
42.2
2.441
1.661
60.8
41
2.394
1.614
63
36
62
38.3
2.441
1.508
60.7
37
2.390
1.457
63
32
62
34.4
2.441
1.354
60.6
33
2.386
1.299
71
56
69.9
58
2.752
2.283
68.9
57
2.713
2.244
71
45
69.9
47.3
2.752
1.862
68.6
46
2.701
1.811
71
40
69.9
42.4
2.752
1.669
68.5
41
2.697
1.614
71
36
69.9
38.5
2.752
1.516
68.4
37
2.693
1.457
75
60
73.8
62
2.906
2.441
72.8
61
2.866
2.402
75
50
73.8
52.2
2.906
2.055
72.6
51
2.858
2.008
75
40
73.8
42.5
2.906
1.673
72.3
41
2.846
1.614
80
63
78.8
65
3.102
2.559
77.8
64
3.063
2.520
80
50
78.8
52.4
3.102
2.053
77.4
51
3.047
2.008
80
45
78.8
47.5
3.102
1.870
77.3
46
3.043
1.811
80
40
78.8
42.6
3.102
1.677
77.2
41
3.039
1.614
85
67
83.7
69.1
3.295
2.720
82.6
68
3.252
2.677
85
55
83.7
57.4
3.295
2.260
82.3
56.0
3.240
2.205
85
45
83.7
47.6
3.295
1.874
82.1
46.0
3.232
1.811
90
71
88.6
73.1
3.488
2.878
87.6
72.1
3.449
2.839
90
63
88.6
65.3
3.488
2.571
87.3
64.0
3.437
2.520
90
56
88.6
58.5
3.488
2.303
87.1
57.0
3.429
2.244
90
50
88.6
52.6
3.488
2.071
87.0
51.0
3.425
2.008
95
75
93.5
77.3
3.681
3.041
92.4
76.2
3.641
2.997
95
67
93.5
69.3
3.681
2.728
92.2
68.0
3.630
2.677
95
50
93.5
52.7
3.681
2.075
91.8
51.0
3.614
2.008
100
80
98.5
82.3
3.878
3.240
97.4
81.2
3.835
3.197
100
71
98.5
73.4
3.878
2.890
97.2
72.1
3.827
2.839
100
63
98.5
65.5
3.878
2.579
97.0
64.0
3.819
2.520
100
56
98.5
58.7
3.878
2.311
96.8
57.0
3.811
2.244
106
80
104.4
82.5
4.110
3.248
103.1
81.2
4.059
3.197
106
71
104.4
73.5
4.110
2.894
103.0
72.1
4.055
2.839
106
63
104.4
65.7
4.110
2.587
102.7
64.0
4.043
2.520
106
56
104.4
58.9
4.110
2.319
102.5
57.0
4.035
2.244
112
90
110.3
92.5
4.343
3.642
109.2
91.4
4.299
3.598
112
80
110.3
82.6
4.343
3.252
108.9
81.2
4.287
3.197
112
71
110.3
73.7
4.343
2.902
108.7
72.1
4.280
2.839
112
63
110.3
65.8
4.343
2.591
108.5
64.0
4.272
2.520
118
90
116.2
92.7
4.575
3.650
114.9
91.4
4.524
3.598
118
80
116.2
82.8
4.575
3.260
114.6
81.2
4.512
3.197
118
71
116.2
73.8
4.575
2.906
114.5
72.1
4.508
2.839
118
63
116.2
66.0
4.575
2.598
114.2
64.0
4.496
2.520
125
100
123.1
102.7
4.846
4.043
121.9
101.5
4.799
3.996
125
90
123.1
92.8
4.846
3.654
121.7
91.4
4.791
3.598
125
80
123.1
82.9
4.846
3.264
121.4
81.2
4.780
3.197
125
71
123.1
74.0
4.846
2.913
121.3
72.1
4.772
2.839
132
106
130.0
108.8
5.118
4.283
128.8
107.6
5.071
4.236
132
90
130.0
93.0
5.118
3.661
128.4
91.4
5.055
3.598
132
80
130.0
83.1
5.118
3.272
128.1
81.2
5.043
3.197
132
71
130.0
74.2
5.118
2.921
121.2
72.1
5.035
2.839
140
112
137.9
115
5.429
4.528
136.6
113.7
5.378
4.476
140
100
137.9
103.1
5.429
4.059
136.3
101.5
5.366
3.996
140
90
137.9
93.2
5.429
3.669
136.1
91.4
5.358
3.598
140
80
137.9
83.3
5.429
3.280
135.8
81.2
5.346
3.197
150
125
147.7
128.1
5.815
5.043
146.5
126.9
5.768
4.996
150
106
147.7
109.3
5.815
4.303
146
107.6
5.748
4.236
150
95
147.7
98.4
5.815
3.874
145.7
96.4
5.736
3.795
150
80
147.7
83.6
5.815
3.291
145.3
81.2
5.720
3.197
160
132
157.6
135.3
6.205
5.327
156.3
134
6.154
5.276
160
122
157.6
125.4
6.205
4.937
156
123.8
6.142
4.874
160
112
157.6
115.5
6.205
4.547
155.8
113.7
6.134
4.476
160
90
157.6
94.0
6.205
3.701
155.2
91.4
6.110
3.598
170
140
167.4
143.5
6.591
5.650
166
142.1
6.535
5.594
170
130
167.4
133.6
6.591
5.260
165.8
132
6.528
5.197
170
128
167.4
131.6
6.591
5.181
165.7
130
6.524
5.118
170
118
167.4
121.7
6.591
4.791
165.5
119.8
6.516
4.717
170
106
167.4
109.8
6.591
4.323
165.2
107.6
6.504
4.236
170
100
167.4
103.9
6.591
4.091
165
101.5
6.496
3.996
180
150
177.3
153.6
6.980
6.047
176
152.3
6.929
5.996
180
140
177.3
143.7
6.980
5.657
175.7
142.1
6.917
5.594
180
125
177.3
128.9
6.980
5.075
175.3
126.9
6.902
4.996
180
100
177.3
104.1
6.980
4.098
174.7
101.5
6.878
3.996
190
160
187.1
163.8
7.366
6.449
185.7
162.4
7.311
6.394
190
150
187.1
153.9
7.366
6.059
185.5
152.3
7.303
5.996
190
132
187.1
136
7.366
5.354
185.1
134
7.287
5.276
200
170
197.0
173.9
7.756
6.846
195.6
172.6
7.701
6.795
200
160
197.0
164
7.756
6.457
195.4
162.4
7.693
6.394
200
150
197.0
154.1
7.756
6.067
195.2
152.3
7.685
5.996
200
140
197.0
144.2
7.756
5.677
194.9
142.1
7.673
5.594
212
170
208.8
174.2
8.220
6.858
207.2
172.6
8.157
6.795
212
150
208.8
154.4
8.220
6.079
206.6
152.3
8.133
5.997
212
130
208.8
134.6
8.220
5.299
206.2
132
8.118
5.197
224
180
220.6
184.4
8.685
7.260
218.9
182.7
8.618
7.193
224
140
220.6
144.8
8.685
5.701
217.9
142.1
8.579
5.594
236
190
232.4
194.6
9.150
7.661
230.7
192.9
9.083
7.594
236
150
232.4
155.0
9.150
6.102
229.7
152.3
9.043
5.996
250
200
246.2
204.9
9.693
8.067
244.3
203.0
9.618
7.992
275
200
268.9
205.4
10.587
8.087
266.5
203.0
10.492
7.992

ASTM A276 UNS S32760 Flat Bar Sizes

Specifications of ASTM A276 standard flat bars made from UNS S32760 grade super duplex steel.

Super Duplex Steel UNS S31803 flat bar sizes in mm Super Duplex Steel UNS S31803 Flat Bar Size (inch) Super Duplex Steel UNS S31803 Flat Bar Thickness (mm) Super Duplex Steel UNS S31803 Flat Bar Thickness (in Inches)
227/817 & 182/3 – 5/7
2515 to 203/16 – 4/5
301-3/165 to 203/16 – 4/5
321-1/46 to 201/4 – 4/5
351-3/85 to 303/16 – 3/16
401-4/75 to 253/16 – 1
451-7/95 to 253/16 – 1
471-6/717,25 & 322/3, 1 & 1-1/4
5025 to 323/16 – 1-1/4
552-1/165 to 253/16 – 1
572-1/4321-1/4
602-3/85 to 353/16 – 1-3/8
632-1/210 to 303/8 – 1-3/16
652-5/910 to 30 & 353/8 – 1-3/16, & 1-3/8
702-3/46 to 25 & 401/4 – 1, & 1-4/7
7538 to 255/16 – 1
803-1/88 to 205/16 – 4/5
903-1/28 to 205/16 – 4/5
10048, 10, 125/16, 3/8, 1/2

UNS S32760 Hexagon Bar Sizes

Available size ranges and dimensions of UNS S32760 hexagonal bars for versatile applications.

7 x 70.33719 x 192.47938 x 389.916
8 x 80.4420 x 202.74740 x 4010.988
9 x 90.55621 x 213.02942 x 4212.114
10 x 100.68722 x 223.32445 x 4513.906
11 x 110.83124 x 243.95648 x 4815.822
12 x 120.98925 x 254.29250 x 5017.168
13 x 131.16126 x 264.64253 x 5319.29
14 x 141.34628 x 285.38455 x 5520.774
15 x 151.54530 x 306.18160 x 6024.723
16 x 161.75832 x 327.03265 x 6529.015
17 x 171.98534 x 347.93970 x 7033.65
18 x 182.22536 x 368.975 x 7538.629

ASME SA 276 S32760 Bars Tolerances

A summary of dimensional tolerances as per ASME standards for S32760 bars.

Diameter, mmTolerances, mm
20-35-0/+0.15
40-45-0/+0.16
50-70-0/+0.19
75-95-0/+1.00
100-250-0/+1.50

Super Duplex Round Bar Standards

Overview of global standards that ensure quality and consistency in super duplex round bars.

2507 Stainless Steel Round Bar standards Super Duplex 2507 Hollow Bar standards
  • EN 10088-3, (dimensions up to 160 mm)
  • EN 10272, EN 10222-5
  • ASTM A479, ASTM A276
  • NORSOK MDS D57 Rev 4, Rev 5
  • Suitable for manufacturing of components in accordance with ASTM A182
  • EN 10216-5
  • EN 10297-2
  • ASTM A511, A790
  • NORSOK MDS D51

2507 Round Bar Chemical Composition

Chemical makeup of the alloy that gives 2507 round bars their outstanding strength and corrosion resistance.

C Si Mn P S Cr Ni Mo N Cu
≤0.030 ≤0.8 ≤1.2 ≤0.035 ≤0.015 25 7 4 0.3 ≤0.5

Super Duplex Steel S32750 Bar Physical Properties

Physical characteristics of S32750 bars that influence their performance in various environments.

Density: 7.8 g/cm3, 0.28 lb/in3

Super Duplex Forged Bars Mechanical Properties

Mechanical strength properties of forged super duplex bars for critical applications.

At 20°C (68°F)

Metric units, bar

Proof strength Rp0.2a) MPa Tensile strength Rm MPa Elong. Ab) % HB approx.
≥550 760-930 c) ≥25 260

Imperial units, bar

Proof strength Rp0.2a) ksi Tensile strength Rm ksi Elong. Ab) % Hardness Rockwell C
≥80 110-135 ≥25 ≤28

1 MPa = 1 N/mm2

  • a) Rp0.2 corresponds to 0.2% offset yield strength.
  • b) Based on L0 = 5.65√S0 , where L0 is the original gauge length and S0 the original cross-section area.
  • c) For sizes below 50 mm/2″ Rm min. 800 MPa.

Alloy 2507 Rod Condition

Standard conditions and treatments applied to alloy 2507 rods to optimize performance.

Condition Description
H&THardened and tempered.
ANNAnnealed
PHPrecipitation hardened.

Surface conditions

Surface conditions Ra, µm Typical value Size, mm dia
Peeled and burnished 1 - 20-250

Super Duplex Stainless Steel Forged Bar Finishes

Types of surface finishes available for forged super duplex stainless steel bars.

  • CD – Cold drawn
  • P – Polished
  • BD – Bright drawn
  • SRE – Slit rolled edge
  • CG – Centreless ground
  • HF – Hot finished
  • CF – Cold finished
  • HRAP – Hot rolled annealed and pickled
  • P&T – Peeled and turned
  • RT – Rough turned/peeled
  • ST – Smooth turned
  • PR – Peeled and reeled

ASTM A479 UNS S32760 Polished Bar Weight Chart

Weight chart reference for polished bars conforming to ASTM A479 UNS S32760 specifications.

Round Bar Size Kgs / Foot Kgs / Mtr Size Kgs / Foot Kgs / Mtr Size Kgs / Foot Kgs / Mtr
3mm0.0170.055 20mm0.7532.470 3″10.90035.762
1/8″0.0190.062 22mm0.9082.979 3-1/4″12.80041.996

Super Duplex 2507 Round Bar Applications

Common industrial and engineering applications where 2507 super duplex round bars excel:

  • Civil Construction Industries
  • Ship Building Industries
  • Heavy Engineering Industries
  • Fertilizer Plants
  • Power Generation Units (Nuclear, Hydro, Thermal)
  • Petro-Chemical Industries
  • Civil Industries
  • Oil Expansion Projects
  • Off Shore & On Shore Oil Towers
  • Home Fittings
  • Valves
  • Vessels
  • Pumps
  • Railways
  • Steel Plants

Super Duplex Round Bar Price in India

We offer a wide range of industrial Super Duplex Steel UNS S32750 and UNS S32760 Round Bars that comply with IS, BS, and DIN standards, available at the best market prices in India. To get the latest price and availability of Super Duplex S32750/S32760 Round Bars and Rods, fill out the contact form below. Our team will respond promptly with a tailored quote and assist you in finding the right solution for your requirements.

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