SS304 , SS316, SS316L, Super duplex, Hastelloy, Inconel, Incoloy ,Monel U BOLT
U bolt is our core products,we have very competitive price!Our products are exported to Japan & USA in big batch qty!

Products' real pictures



We have competitive price,stable quality,short delivery time,and small qty is accepted also.
1. Standard:Customzied
2. Material: SS304/316/316L/SS316TI/321/904L
3. Size: M6-30mm
4. Delivery time: 10-30 days
Quality conrtrol


We are professional Stainless steel &Nickle alloy fasteners factory.We can produce Bolt , Nut, Washer, stud bolt, and special parts according to the drawing with stainless steel,nickel alloy steel.
We have stock fasteners of SS304&SS316&SS316L&duplex and some Hastelloy C276.We don't specify MOQ to many grade products.We supply the 100% sorting service.We accept small packing service.
Name | SS310S U BOLT |
Standard | DIN3570 OR AS DRAWING |
Size Range | M5-M64 or non-standard as requested |
Finish | Bright&Clean |
Marking | If you require it is ok |
Material | Anti-high temperature 310S,UNS S31008 |
Grade | Grade 80 |
Certificates | EN10204-3.1B |
Non-standards | OEM is available, according to drawing or samples |
Samples | Samples available |
Package | Bulk in box and then in cartons, then on pallets, or according to customers' requirement |
Payment | T/T,Western Union |
Similar brand of 310S stainless steel
UNS: S31008 | W.Nr: 1.4845 |
Chemical composition of 310S stainless steel
Alloy | % | Ni | Cd | C | Mn | Si | S | P |
310S/2520 | Min. | 19 | 24 | |||||
Max. | 22 | 26 | 0.08 | 2.0 | 1.5 | 0.03 | 0.045 |
Physical properties of 310S stainless steel
Density | 7.98 g/cm³ |
Melting point | 1400~1450 ºC |
Minimum value of mechanical properties of 310S stainless steel alloy at room temperature
Tensile strength Rm N/mm² | Yield strength RP0.2 N/mm² | Elongation A 5 % | Brinell hardness |
515 | 205 | 35 | ≤187 |
Standard | DIN,ASME,SIO,JIS.BS.NFE,GOST |
Size Range | Diameter M5 - M64 ; 1/4"- 2 1/2 Length:10-1000mm ; 1/2"-40" |
Material | SS304 ,316,316L ,316LN,316 Lmod,316Ti,317L, 317LN, 321,310S, 904L 254SMO AL-6XN,1.4529 |
Duplex 2205/2507 | |
Hastelloy C4, C22 , C276 , C2000, B2, B3 , G3 , G30 , Hastelloy X 2.4600 , 2.4602 , 2.4603 , 2.4610 , 2.4617 , 2.4619, 2.4665 , 2.4675 , 2.4819 | |
Inconel600, 601 , 617 , 625 , 690 , 718 , 725 , X750 2.4669 , 2.4668 , 2.4816 , 2.4856 , 2.4851 , 2.4663 , 2.4642 | |
Incoloy800/800H/800HT, Incoloy825 , 90 1, 925 , 926 , 1.4958 , 2.4662 , 1.4529 , 1.4876 , 2.4858 , 1.4959 | |
Monelk500, Monel400; 2.4360 , 2.4375 | |
Titanium Alloy GR2/5/7, 3.7035, 3.7165 , 3.7235 | |
Urea steel 724L ,725LN ; 1.4435 , 1.4466 | |
Alloy20, Alloy28, Alloy31, Alloy 286,Alloy 80A(nimonic 80A) 2.4660 , 1.4563 , 1.4562 , 1.4980 , 2.4952 | |
Product range | Bolt , U bolt , Studs , Threaded Bar , Nut , Washers ,Machining Parts |
Marking | According to client's requirements ( OEM ) |
MOQ | Washers : 100 pcs, Nut: 50 pcs ,Bolt and Studs:10 pcs |
Sample policy | sample can be provided in free If we have stock,and the buyer pay the freight cost. |
Sample time | 7-10 days about |
In stock items | SS304/316 Bolt , Nut and washers M6-20 |
DIN7967 Pal nut M6-20 | |
Titanium Alloy bolt , nut , washers M6-20 | |
Some other sizes may have stock. | |
One stop purchase | We Will help you to realise one stop purchasing.Our salesman have more than 20 years experience in trading |