Grades for Fasteners

Grades used in fasteners

 

Carbon and Alloy Steels
Stainless Steels
Super (Nickel) Alloys &
Non-Ferrous
Duplex Steels
Mild Steel 303 / 304 (18-8/A2) / 316 (A4) Monel* 400 Aluminium
080M40 (EN8) A2 & A4 - 50 / 70 / 80 / 90 Monel* K500 Aluminium Bronze
605M36 (EN16) 321 / 310 / 347 Inconel* 600 / 601 / 625 / 718 Aluminium Silicon Bronze
708M40 (EN19) 422 Incoloy* 800 / 800HT / 825 Phosphor Bronze
817M40 (EN24) 410 / 416 / 420 / 431 Hastelloy* Manganese Bronze
826M40 (EN26) B8 / B8M / B8T Class I & II B2 / C4 / C22 / C276 Brass
B7 B8X / B8MX / B8TX Ferralium* 255 Naval Brass
B5 B8C UNS S32760 Copper
B16 B6 Zeron* 100 Cupro Nickel 70 / 30
BS 4882 B16A C3 - 80 254 SMO* (UNS S31254) Cupro Nickel 90 / 10
Durehete* 17 - 4 PH UNS S31803 Hiduron* 191
Jethete* X19 FV520B A453 660 A / B / D Marinel*
42 Cr Mo 4 Nitronic* 50 / 60 Nimonic* 75 / 80a / 90 Plastic
24 Cr Mo 5 904L Titanium Alloys Nylon
21 Cr Mo V57   Carpenter* 20 PTFE
    Tantalum  
Carbon Steel & Medium Stainless Steel Non-Ferrous  High Grade Bolting
Tensile Products Products Products
Metric Grades: Austenitic Grades: Brass Hex Bolts Socket Screws:
4.6 A2 (AISI 304) Copper 10.9
5.6 A4 (AISI 316) Phosphor 12.9
6.8   Bronze 14.9
8.8 316L Silicon Hex and Self Locking Nuts:
Imperial Grades: B8 Aluminium 10
R B8M 12
S   Hardened Washers:
T     DIN 6916
Products Materials
Hex. Bolts and Set-screws Alloy Steel (170 Ksi/36-43Rc)
12 Point Cap Screws ASTM A193 B7, B16 & B8M
Engineers Studs ASTM A437 B4B
Reduced Shank studs ASTM A453 660 A,B & D
Studbolts AISI 422 Stainless Steel
Tie Bars Inconel* 718
Socket Screw Products Nimonic* 80A
Wire Locking Inserts Durehete* 950(T32), 1055(T41)
Hex Cap Nuts Jethete*
Castellated Nuts
Machined Components

Special Grade Fasteners

Stainless Steels Stainless Steels Duplex Stainless Steels Nickel Alloy Copper Alloy Copper Alloys Other Material
A2-50 70 80 UNS S31254 254SMO UNS S31803 (W1.4462) Hastelloy* B2 C4* C22 C276 G G3 X Aluminium
Bronze B150
CA 104
DGS1043
DGS1044
NES833
NES834
Titanium GR2, GR5, GR7
A4 -50 70 80 904L (W1.4539) SS2324 (W1.4460 Incoloy* (800, 800HT, 825, DSRA330*) Phosphor Bronze PB102 Aluminium Alloys
B8/L8 (304L) Carpenter 20CB3* UNS S32550 (Ferralium*) Inconel* 600, 601, 625, 718 Cupro Nickels 70/30, 91/10 Alloy Steels B7 B16
B8X/L8X/B8C12 Nitronic 50* B8R UNS S32750 (SAF 2507*) Monel 400* NES 835 (Hiduron 191*) Durehete* 900, 950, 1055
B8T (321) Nitronic 60* B8S UNS S32760 (Zeron 100* SA. FG. FLT) Monel K500* Nibron Special*  
B8TX/L8TX/B8TCl2 17-4 PH* Duplex & Super Duplex also available in Class 80 Nimonic 75 80A 90 Marinel*  
B8MX/L8MX/B8MCl2 A453 660 A/B        
316Ti/25/20 (310) Sanicro 28* 1.4923        
B8C (347) SS2387 (248SV*)        
EN56 B6 (410) SS2368 (253MA*)        
EN57 C3-80 (431)