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Duplex Stud Bolt
Duplex Stud Bolt Duplex Stud Bolt
Duplex Stud Bolt Duplex Stud Bolt

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Duplex Stud Bolt

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We are leader super duplex fasteners supplier from China!
Our stud bolt standard is DIN975,DIN976,DIN939,IFI 131
Our goods used in cooling tower widely!
Our Duplex22057 bolt and nut are used in India power plant  on 2017!
Our Duplex2507 bolt and nut are used in Oman power plant  on 2019!
Our Duplex2205 bolt and nut are used in Bangladesh power plant  on 2020!
Our Duplex2507 bolt and nut are used in ISRAEL power plant cooling tower system on 2020!
Our Super duplexS32760  fasteners are used in Oman Power plant on 2010&2016&2024!
Our Super duplex fasteners are used in Mexico Power plant's cooling tower on 2024!
  • DIN976

  • M16X100

  • 1.4410DIN976M16X100

Size:
Availability:
Quantity:

Name

Stud Bolt

Standard

DIN975/DIN976,IFI136,Length 100-3000mm

Size Range

M5-M100 or 1/4-4”

Finish

Bright&Clean

Marking

HT&FST or customization

Material

Duplex 2205 & Super duplex 2507 & S32760

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


Duplex 2205

UNS

ID

JIS

W.Nr

S31803 F51 SUS32953L 1.4462


Chemical composition of stainless steel 2205 bolts

Alloy % Ni Cr Fe Mo N C Mn Si S
P
2205 Min. 4.5
21 Bal 2.5 0.08




Max. 6.5 23 3.5 0.2 0.03 2 1 0.02 0.03


Minimum mechanical properties of duplex stainless steel F51 (S31803/2205/1.4462) nut alloy at room temperature

Tensile strength Rm N/mm2 Yield strength RP0.2 N/mm2 Elongation rate A5% Brinell hardness HB
620 450 25 290

Super Duplex 2507


UNS

ID

AISI/ASTM

W.Nr

S32750 F53 2507 1.4410



Chemical composition of Super Duplex 2507


Alloy % Ni Cr Mo N C Mn Si S P Cu
2507
Min. 6.0 24 3.0 0.24 0.08




Min. 8.0 26 5.0 0.32 0.03 1.2 0.08 0.02 0.035 0.5



Minimum mechanical properties of alloy for Super Duplex 2507 at room temperature


Tensile strength Rm N/mm2 Yield strength RP0.2 N/mm2 Elongation rate A5% Brinell hardness HB
800 550 15 310



Super Duplex S32760

UNS ID W.Nr
S32760 F55 1.4501


Chemical composition of duplex stainless steel F55 (S32760/1.4501) nut

Alloy % Ni Cr Mo N C Mn Si S P Cu W
F55

Min.

6.0 24 3.0 0.2




0.5 0.5
Max. 8.0 26 4.0 0.3 0.03 1.0 1.0 0.01 0.03 1.0 1.0


Minimum mechanical properties of duplex stainless steel F55 (S32760/1.4501) nut alloy at room temperature

Tensile strength

Rm N/mm²

Yield strength

RP0.2 N/mm²

Elongation rate

A5%

820 550 25


HOT PRODUCTS

Size Range:
Diameter M5 - M64 ; 1/4"- 2 1/2" 
Length:10-1000mm ; 1/2"-40"
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0
Size Range:
Diameter M5 - M64 ; 1/4"- 2 1/2" 
Length:10-1000mm ; 1/2"-40"
0
0
Size Range:
Diameter M5 - M64 ; 1/4"- 2 1/2" 
Length:10-1000mm ; 1/2"-40"
0
0
Size Range:
Diameter M5 - M64 ; 1/4"- 2 1/2" 
Length:10-1000mm ; 1/2"-40"
0
0
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Tel: +86-181-2171-9007
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