What material grade does Nickel 201 Fasteners use?

Nickel 201 Fasteners are manufactured per the applicable ASTM, ASME, DIN, or ISO specification for the material grade. TorqBolt provides material test certificates (MTC) per EN 10204 3.1 or 3.2 with every supply.

What sizes are available for Nickel 201 Fasteners?

TorqBolt manufactures Nickel 201 Fasteners in metric sizes M6 to M100 and imperial sizes 1/4" to 4" diameter, with custom lengths from 10mm to 3000mm. Non-standard sizes are available on request.

Are Nickel 201 Fasteners NACE MR0175 / ISO 15156 certified?

Yes, Nickel 201 Fasteners can be supplied with NACE MR0175 / ISO 15156-2/3 sour service certification when specified at order. Material certificates and test reports are provided.

What is the typical delivery time for Nickel 201 Fasteners?

Standard stock items ship in 1-2 weeks. Custom manufactured Nickel 201 Fasteners typically ship in 4-6 weeks depending on quantity, material availability, and certification requirements.

Do you provide third-party inspection for Nickel 201 Fasteners?

Yes, third-party inspection by TUV, Lloyd's Register, BV, DNV, SGS, and Intertek is available upon request for Nickel 201 Fasteners. Witness testing and stage inspections can be arranged.

Nickel 201 Fasteners Manufacturer & Supplier

Nickel 201 Fasteners Specification

Nickel 201 Fasteners Heavy Hex Bolts Screws Nuts Washers

Nickel 201 is commercially unadulterated (99.6%) fashioned Nickel almost similar to Nickel 200 with lower carbon content to resist embrittlement by intergranular carbon at temperatures over 600 degrees F (315 degrees F) its Lower carbon content reduces hardness, making it more suitable for cold farmed items or applications.

Nickel 201 Fasteners Properties

Equivalent Designation
ASTM/ASME	AISI	UNS	British Standard	Werkstoff No.	En Name	Swedish(SS)	JIS(SUS)
–	–	N02201	–	2.4068	–	–	–

TorqBolt manufactures Nickel 201 Fasteners via cold forging, hot forging and CNC machining. Sizes range from M1.0 to M100 (metric) and 1/16" to 4" (imperial). Available in coarse, fine, UNC, UNF, UN, BSW and acme threads with half, full or double-end thread configurations. Each Nickel 201 Fasteners batch is supplied with EN 10204 3.1 or 3.2 material test certificates.

Hexagon Bolts

ANSI B18.2.1
ANSI B18.2.3.1M
DIN 931
DIN 933
BS 1768
UNI 5731
UNI 5737
UNI 5739
ISO 4014
ISO 4017
BS 1769
BS 3692

Socket/Slotted Set Screws

DIN 913
DIN 914
DIN 915
DIN 916
DIN 551
DIN 553
DIN 438
BS 4168

Socket/Slotted Countersunk Screws

DIN 963
DIN 7991
BS 4168
BS 1981
BS 483
BS 2470

Socket Cap Screws

ANSI B18.3
B18.3.1M
DIN 912
DIN 6912
DIN 7984
ANSI B18.3
ISO 4762
UNI 5931
BS 2470
BS 4168

Stud Bolts

ASME B18.2.1
DIN 976
DIN 938
DIN 939
DIN 2510
BS 4439
BS 2693
BS4882

Nuts

ANSI B18.2.2
ANSI B18.2.4.6M
DIN 934
DIN 936
BS 1768
BS 1769
BS 1083
BS 3692
ISO 4032
ISO 4033
ISO 4035
UNI 5587
UNI 5588
UNI 5589

Washers

ASME B18.22.1
ASTM F436
ISO 7089
DIN 125
DIN 9021
BS 4320
BS 3410
DIN 127
BS 4464
BS 1802
UNI 6952

Surface Treatments & Coatings

Electro Less Nickel Plating Electro Cadmium Plating Dacromet 320 500 Coating Pickled Passivated Fasteners Silver Plating Nickel Plating Electro Zinc Cobalt Plating Electro Zinc Nickel Plating Ptfe Fluorocarbon Coating Aluminizing Ceramic Filled Fluorocarbon Coating

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Nickel 201 Fasteners — Material Overview & Form Factors

Nickel 201 is a high-performance alloy used wherever standard fasteners cannot meet the corrosion, temperature, or strength envelope. TorqBolt manufactures the full Nickel 201 fastener range — bolts, nuts, screws, washers, studs, and custom forgings — under one ISO 9001:2015 quality system, with PED 2014/68/EU module-H qualification for pressure-equipment service.

Where Nickel 201 Excels

Nickel 201 is specified in oil & gas wellhead components, refinery heat exchangers, petrochemical reactors, power-generation turbines, marine offshore platforms, and pharmaceutical / food-grade processing. Its corrosion resistance, high-temperature strength, and weldability make it the default for service conditions outside the carbon and standard-stainless envelope.

Form Factors Available

Bolts — hex, heavy hex, socket, button, countersunk; M6–M100 / 1/4"–4"

Nuts — standard, heavy, jam, locking variants (nyloc, all-metal, flange)

Screws — cap, machine, set, shoulder, self-tapping; all common drive types

Washers — plain, spring, lock, Belleville, fender, tab

Studs & threaded rod — ASTM A193 / A320 / A453 / A540

Custom forgings — rings, blanks, shaped components to drawing

Standards & Certification

Nickel 201 fasteners are supplied with EN 10204 3.1 (mill cert) or 3.2 (third-party witnessed) material test reports as standard. Additional certification packages: NACE MR0175 / ISO 15156 (sour service), NORSOK M-650 (subsea / topside), API 6A (wellhead), API 20E (subsea bolting), PED 2014/68/EU (pressure equipment). Third-party inspection by TUV, Lloyd's, BV, DNV, SGS, and Intertek arrangeable on order.

Lead Time & Sizes

Stock items in standard Nickel 201 fastener sizes ship in 1–2 weeks; custom-manufactured items in 4–6 weeks subject to material availability. Diameters M6–M100 and 1/4"–4", lengths 10 mm–3000 mm covered in-house; oversize / non-standard sizes quoted to specification.

Pure & Low-Alloyed Nickel

Commercially-pure nickel grades (UNS N02200, N02201) are used where the application demands maximum nickel chemistry purity: electrical conductivity, magnetostriction, hot-caustic resistance, or food / pharmaceutical contact. Pure nickel is non-magnetic above its Curie point, weldable without filler in thin sections, and resistant to dry chlorine, fluorine, and hot caustic solutions where stainless steels fail.

Nickel 200 (N02200, >99% Ni, max 0.15% C) is the general-purpose grade for chemical-process and electroplating equipment. Nickel 201 (N02201, max 0.02% C) is the low-carbon variant required for service above 315°C to prevent graphitization that would destroy mechanical properties. Nickel 205 is the magnetic-grade variant. Nickel 270 (N02270) is high-purity electronics grade.

Pure nickel fasteners are supplied per ASTM B160 (rod/bar) and AMS 4730 with EN 10204 3.1 / 3.2 certificates including chemistry, hardness (HV 100-160 annealed, up to 250 cold-worked), and tensile testing. NACE MR0175 sour-service is qualified in the annealed condition. Welding uses pure-nickel filler (ENi-1) with copper-oxide-free flux to prevent weld embrittlement.

Nickel 201 Fasteners