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Duplex Hex Bolt

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We are leader duplex 2205 S32205 1.4462 F51 and super dupplex S32750 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 duplex S32760 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!
  • DIN933

  • HT&FST

  • 1.4462DIN933M12X100

Size:
Availability:
Quantity:

Name

Duplex Hex Bolt

Standard

DIN931/DIN933,ISO4014/ISO4017,ASME B 18.2.1,

JIS B1180

Size Range

M5-M64 or non-standard as requested

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




Min. 6.5 23 3.5 0.2 0.03 2 1 0.02 0.03


Minimum mechanical properties of stainless steel 2205 bolts 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 stainless steel 2507 bolts

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 duplex stainless steel F53 bolts 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) BOLT


Alloy % Ni Cr Mo N
C Mn Si S P Cu W
F55
Min. 6.0 24 3.0 0.2






Min. 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) bolt 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"
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
Size Range:
Diameter M5 - M64 ; 1/4"- 2 1/2" 
Length:10-1000mm ; 1/2"-40"
0
0
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