
Suppliers of Fasteners, studs and nuts for the oil and gas industry
Technical data
Fasteners, studs and nuts for the oil and gas industry







This product is regulated by the following standards:
Details
Fasteners, studs and nuts for the oil and gas industry







ASTM A 193/A 193M - Publication date: 2010 Chemical Requirements. Basic Values - Alloy Steel and Stainless Steel. BOLTS. STUDS and THREADED RODS for HIGH TEMPERATURE or HIGH PRESSION. Chemische Anforderungen, Grundwerte - Stahl- und Edelstahllegierungen. BOLZEN. STIFTSCHRAUBEN UND GEWINDESTIFTE für Hochtemperaturen und Hochdruck. Requisiti chimici, valori di base - leghe d''acciaio e acciaio inox. BULLONI. PRIGIONIERI e BARRE FILETTATE per alte temperature o alte pressioni. |
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Grade
|
Type | UNS Nr |
C %
|
Mn %
|
Ph % |
S %
|
Si %
|
Cr %
|
Ni %
|
Mo %
|
Other Elements
|
B5 |
Ferritic steels |
0.1 | 1 | 0.04 | 0.03 | 1 | 4-6 | - | 0.4-0.65 | - | |
B6. B6X |
S41000 | 0.8-0.15 | 1 | 0.04 | 0.03 | 1 | 11.5-13.5 | - | - | - | |
B7. B7M |
0.7-0.49 | 0.65-1.10 | 0.035 | 0.04 | 0.15-0.35 |
0.75-1.20
|
-
|
0.15-0.25
|
-
|
||
B16 |
0.36-0.47 | 0.45-0.7 | 0.035 | 0.04 | 0.15-0.35 |
0.8-1.15
|
-
|
0.5-0.65
|
V 0.25-0.35; Al 0.015
|
||
B8.B8A |
Austenitic steels. cl. 1.1A.1D.2 |
S30400 | 0.08 | 2 | 0.045 | 0.03 | 1 |
18-20
|
8-11
|
-
|
-
|
B8C. B8CA |
S34700 | 0.08 | 2 | 0.045 | 0.03 | 1 | 17-19 | 9-12 | - | Nb+Ta: 10 x C min-1.10 max | |
B8M.B8MA. B8M2.B8M3 |
S31600 | 0.08 | 2 | 0.045 | 0.03 | 1 |
16-18
|
10-14
|
2-3
|
-
|
|
B8P. B8PA |
S30500 | 0.12 | 2 | 0.045 | 0.03 | 1 |
17-19
|
11-13
|
-
|
-
|
|
B8N. B8NA | Austenitic steels. cl. 1A.1B.1D.2 |
S30451 | 0.08 | 2 | 0.045 | 0.03 | 1 |
18-20
|
8-11
|
-
|
N:01-0.16
|
B8MN.B8MNA |
S31651 |
0.08
|
2
|
0.045
|
0.03
|
1
|
16-18
|
10-13
|
2-3
|
N:01-0.16
|
|
B8MLCuN. B8MLCuNA |
S31254 |
0.02
|
1
|
0.03
|
0.01
|
0.8
|
19.5-20.5
|
17.5-18.5
|
6-6.5
|
N:0.18-0.22; Cu : 0.5-1
|
|
B8. B8TA | Austenitic steels. cl. 1.1A.2 |
S32100 |
0.08
|
2
|
0.045
|
0.03
|
1
|
17-19
|
9-12
|
-
|
Ti:5xC min-0.7 max; N: 0.1 max
|
B8R. B8RA | Austenitic steels. cl. 1C.1D |
S20910 |
0.06
|
4-6
|
0.045
|
0.03
|
1
|
20.5-23.5
|
11.5-13.5
|
1.5-3
|
N:0.2-0.4; Nb+T:0.1-0.3; V:0.1-0.3
|
B8S. B8SA | S21800 |
0.1
|
7-9
|
0.06
|
0.03
|
3.5-4.5
|
16-18
|
8-9
|
-
|
N:0.08-0.18
|
|
B8LN. B8LNA | Austenitic steels. cl. 1.1A.1D |
S30453 |
0.03
|
2
|
0.045
|
0.03
|
1
|
18-20
|
8-11
|
-
|
N:0.1-0.16
|
B8MLN. B8MLNA |
S31653 |
0.03
|
2
|
0.045
|
0.03
|
1
|
16-18
|
10-13
|
2-3
|
N:0.1-0.16
|
|
Symbols other elements: Al : Aluminum; B: Boron Nb: Columbium; Cu:Copper; N: Nitrogen; Ta: Tantalum; Ti: Titanium; V: Vanadium; |
ASTM A 194/A 194M - Publication date: 2010 Chemical Requirements. Basic Values - Alloy Steel and Stainless Steel NUTS for HIGH TEMPERATURE or HIGH PRESSURE. Chemische Anforderungen, Grundwerte - Stahl- und Edelstahllegierungen. MUTTERN für Hochtemperaturen und Hochdruck. Requisiti chimici, valori di base - leghe d''acciaio e acciaio inox. DADI per alte temperature o alte pressioni. |
|||||||||||
Grade Symbol
|
Material
|
UNS Nr |
C %
|
Mn %
|
Ph % |
S %
|
Si %
|
Cr %
|
Ni %
|
Mo %
|
Other Elements %
|
1
|
Carbon
|
0.15
|
1 | 0.04 | 0.05 |
0.4
|
-
|
-
|
-
|
-
|
|
2.2HM. 2H
|
Carbon
|
0.4
|
1
|
0.04
|
0.05 |
0.4
|
-
|
-
|
-
|
-
|
|
4
|
Carbon.
Mobyldenum
|
0.4-0.5
|
0.7-0.9
|
0.035
|
0.04
|
0.15-0.35
|
-
|
-
|
0.2-0.3
|
-
|
|
3
|
Type 501
|
0.1 min
|
1
|
0.04
|
0.03
|
1
|
4-6
|
-
|
0.4-0.65
|
-
|
|
6
|
Type 410
|
S4100 |
0.15
|
1
|
0.04
|
0.03
|
1
|
11.5-13.5
|
-
|
-
|
-
|
6F
|
Type 416
|
S41600 |
0.15
|
1.25
|
0.06
|
0.15
|
1
|
12-14
|
-
|
-
|
-
|
6F
|
Type 416Se
|
S41623 |
0.15
|
1.25
|
0.06
|
0.06
|
1
|
12-14
|
-
|
-
|
-
|
7. 7M
|
Type 4140.4142.
4145.4140H.
4142H.4145H
|
0.37-.49
|
0.65-1.1
|
0.035
|
0.04
|
0.15-0.35
|
0.75-1.2
|
-
|
0.15-0.25
|
-
|
|
8. 8A
|
Type 304
|
S30400 |
0.08
|
2
|
0.045
|
0.03
|
1
|
18-20
|
8-11
|
-
|
-
|
8C. 8CA
|
Type 347
|
S34700 |
0.08
|
2
|
0.045
|
0.03
|
1
|
17-19
|
9-20
|
-
|
-
|
8M. 8MA
|
Type 316
|
S31600 |
0.08
|
2
|
0.045
|
0.03
|
1
|
16-18
|
10-14
|
2-3
|
-
|
8T. 8TA
|
Type 321
|
S32100 |
0.08
|
2
|
0.045
|
0.03
|
1
|
17-19
|
9-12
|
-
|
Ti: 5X (C+N)min
0.70 max
|
8F. 8FA
|
Type 303
|
S30300 |
0.15
|
2
|
0.02
|
0.15
|
1
|
17-19
|
8-10
|
-
|
-
|
8F. 8FA
|
Type 303 Se
|
S30323 |
0.15
|
2
|
0.02
|
0.06
|
1
|
17-19
|
8-10
|
-
|
-
|
8P. 8PA
|
Type 305
low Carbon
|
S30500 |
0.08
|
2
|
0.045
|
0.03
|
1
|
17-19
|
11-13
|
-
|
-
|
8N. 8NA
|
Type 304N
|
S30451 |
0.08
|
2
|
0.045
|
0.03
|
1
|
18-20
|
8-11
|
-
|
-
|
8LN.
8LNA
|
Type 304 LN
|
S30453 |
0.03
|
2
|
0.045
|
0.03
|
1
|
18-20
|
8-11
|
-
|
-
|
8MN.
8MNA
|
Type 316N
|
S31651 |
0.08
|
2
|
0.045
|
0.03
|
1
|
16-19
|
10-13
|
2-3
|
-
|
8MNL.
8MNLA
|
Type 316 LN
|
S31653 |
0.03
|
2
|
0.045
|
0.03
|
1
|
16-18
|
10-13
|
2-3
|
-
|
8R. 8RA
|
Type XM19
|
S20910 |
0.06
|
4-6
|
0.06
|
0.03
|
1
|
20.5-23.5
|
11.5-13.5
|
1.5-3
|
-
|
8S. 8SA
|
|
S21800 |
0.1
|
7-9
|
0.03
|
0.03
|
3.5-4.5
|
16-18
|
8.9
|
-
|
-
|
8MLCuN.
8MLCuNA
|
S31254
|
S31254 |
0.2
|
1
|
0.04
|
0.01
|
0.8
|
19.5-20.5
|
17.5-18.5
|
6-6.5
|
-
|
9C. 9CA
|
N08367
|
N08367 |
0.03
|
2
|
0.035
|
0.03
|
1
|
20-22
|
23.5-25.5
|
6-7
|
-
|
16
|
Chrom. Mobyld.
Vanadium
|
0.36-0.47
|
0.45-0.7
|
|
0.04
|
0.15-0.35 |
0.8-1.15
|
|
0.5-0.65
|
-
|
|
Symbols other elements: Al : Aluminum; B: Boron Nb: Columbium; Cu:Copper; N: Nitrogen; Ta: Tantalum; Ti: Titanium; V: Vanadium; |
ASTM A 320/A 320M - Publication date: 2010 Chemical Requirements. Basic Values. LOW TEMPERATURE Service. BOLTS. STUDS and THREADED RODS. Chemische Anforderungen, Grundwerte - Stahl- und Edelstahllegierungen. BOLZEN. STIFTSCHRAUBEN UND GEWINDESTIFTE für niedrige Temperaturen. Requisiti chimici, valori di base - leghe d''acciaio e acciaio inox. BULLONI. PRIGIONIERI e BARRE FILETTATE per basse temperature. |
||||||||||||
Grade Symbol
|
Material
|
UNS Nr |
C %
|
Mn %
|
Ph % |
S %
|
Si %
|
Cr %
|
Ni %
|
Mo %
|
Ti %
|
Other Elements %
|
L7.L7M.L70 | - | 0.38-0.48 | 0.75-1 | 0.035 | 0.04 | 0.15-0.35 | 0.8-1.1 | - | 0.15-0.25 | - |
-
|
|
L7A.L71 | - | 0.35-0.40 | 0.7-0.9 | 0.035 | 0.04 | 0.15-0.35 | - | - | 0.2-0.3 | - |
-
|
|
L7B.L72 | - | 0.35-0.40 | 0.7-0.9 | 0.035 | 0.04 | 0.15-0.35 |
0.8-1.1
|
-
|
0.15-0.25
|
-
|
-
|
|
L7C.L73 | - | 0.38-0.43 | 0.75-1 | 0.035 | 0.04 | 0.15-0.35 |
0.4-0.6
|
0.4-0.7
|
0.2-0.3
|
-
|
-
|
|
L43 | - | 0.38-0.43 | 0.6-0.85 | 0.035 | 0.04 | 0.15-0.35 |
0.7-0.9
|
1.65-2
|
0.2-0.3
|
-
|
-
|
|
L1 | - | 0.17-0.24 | 0.7-1.4 | - | 0.05 | 0.15-0.30 |
-
|
-
|
-
|
-
|
B:0.001-0.003
|
|
B8.B8A | S30400 | 0.08 | 2 | 0.045 | 0.03 | 1 |
8-11
|
18-20
|
-
|
-
|
|
|
B8C.B8CA | S34700 | 0.08 | 2 | 0.045 | 0.03 | 1 |
9-12
|
17-19
|
-
|
-
|
Nb+Ta: 10 x C
|
|
B8T.B8TA | S32100 | 0.08 | 2 | 0.045 | 0.03 | 1 |
17-19
|
9-12
|
-
|
5X C
|
N: 0.10 Max
|
|
B8P.B8PA | S30500 | 0.08 | 2 | 0.045 | 0.03 | 1 |
17-19
|
10.5-13
|
-
|
-
|
-
|
|
B8F.B8FA | S30300 | 0.15 | 2 | 0.20 | 0.15 | 1 |
17-19
|
8-10
|
-
|
-
|
-
|
|
B8F.B8FA | S30323 | 0.15 | 2 | 0.2 | 0.06 | 1 |
17-19
|
8-10
|
-
|
-
|
-
|
|
B8M.B8MA | S31600 | 0.08 | 2 | 0.045 | 0.03 | 1 |
16-18
|
10-14
|
2-3
|
-
|
-
|
|
B8LN.B8LNA | S30453 |
0.03 |
2 | 0.045 | 0.03 | 1 |
18-20
|
8-10.5
|
- |
-
|
N: 0.1-0.16
|
|
B8MLN.B8LMNA | S31653 | 0.03 | 2 | 0.045 | 0.03 | 1 |
16-18
|
10-14
|
2-3
|
-
|
N: 0.1 -0.16
|
|
Symbols other elements: Al : Aluminum; B: Boron Nb: Columbium; Cu:Copper; N: Nitrogen; Ta: Tantalum; Ti: Titanium; V: Vanadium; |
Full list of Suppliers of Fasteners, studs and nuts for the oil and gas industry

Distribution and production of standard and special fasteners.
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Â
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Manufacturer of bolts and anchors with diameters from 4mm to 170mm and lengths up to 3500 mm
Manufacturer and distributor of industrial fasteners, specialising in Non-standard and bespoke to customer specifications. Manufacturing from specialist alloys, duplex stainless steels and high nickel alloys
Our manufacturing facility incorporates a hot-forging section alongside a fully equipped CNC-Workshop, resulting in offering the complete fastener supply solution
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Manufacturer of carbon steel, alloy steel & stainless steel grade fasteners, anchor bolts, stud bolts, U-bolts
Manufacturer of stud bolts and fasteners both standard and special. Oil&gas and railway sector
Manufacturer and exporter of industrial fasteners for constructions and for the oil and gas industry
Manufacturer of fasteners for petrochemical field. Applications in the oil marine, civil, structural engineering, power plants, heavy and light industries.
Manufacturer and exporter of fasteners for the oil and gas field, the solar sector, construction fasteners and superalloy fasteners
Manufacturer of high stength fasteners and fasteners for petrochemical sector (ASTM A193/A320/A325)
ASTM A193 Grade B7, B7M, B8 (304 SS), B8M (316 SS). B8T, B8MX, B8TX, B16 stud bolt. A320 L7, L7M, A453 660A, 660B, 660C, 660D, A325 & A490 steel structure bolt set and assembling A194 and A563 series heavy hex nut
Manufacturer of petrochemical fasteners, anchor bolts, stud bolts, heavy hex nuts and stainless steel fasteners
Manufacturer of special cold and hot forged nuts and bolts: Metric, UNF, UNC, BSF & BSW (Whitworth) threadforms
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Manufacturer of high strength fasteners, structural boltings,fasteners for road crash barriers and fori oil and gas sector.
Experienced manufacturer of special and bespoke bolting for defence, nuclear, power generation and subsea. We produce in non-ferrous materials, alloy and stainless steels, super duplex and a wide range of superalloys supplying high quality, fully traceable, fully certified special bolting delivered on time, right first time.
Manufacturer of thread rods , stud bolts , nuts and coach screw and leading trader of bolts, anchors, washers, and steel profile. Our products range include class 4.8, 6.8, 8.8, 10.9, 12.9, B7, 2H, A2, A4, size from M3 to M64
Manufacturer of stud bolts for the oil and gas sector, U-bolts and foundation bolts. Metric and imperial sizes.
Manufacturer of corrosion Resistant fasteners for the Energy, Petrochemical & Infrastructure sectors.Â
Manufacturing and exports of High Tensile Automotive & Industrial Fasteners.
Our products also include stainless steel standards and specials, forged and machine parts.
Manufacturer and distributor of fasteners, specialized in stud bolts for the oil and gas sector ASTM A193 / A194
Manufacturer of  A193 B7 studs, A194 2H nuts, and high strenght fasteners for industries
Manufacturer of steel structural fasteners and fasteners for automotive. Yearly production output of 150 thousand tons.
Manufacturer of high strenght fasteners and fasteners for the wind power and petrochemical industry