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Triton Alloys

347 Stainless Steel Fasteners

ASTM A193 B8C 347 Stainless Steel Fasteners, High Tensile Fasteners, Custom Grade & Size Available At Best Price & Free Sample

Triton Alloys Inc are the leading manufacturer of high integrity special fasteners (e.g. bolts, set screws, stud-bolts, nuts and washers), meeting clients’ exacting demands for critical applications in hostile environments. Whether for offshore (buoyancy and petrochemical), seawater, pump, valve or nuclear, the demands for an exceptional service and supply is never ending. We believe manufacturing bolting in exotic materials is an art form and it is something we have perfected at Triton Alloys Inc.

Our 347 Stainless Steel Fasteners product range includes 347 Stainless Steel Bolts, Hexagon head bolt, Hexagon head screw, Round head square neck bolt, Hexagon socket head cap screw in full thread and half thread, Hexagon wood screw, Hexagon socket button head screw, Hexagon socket button flange screw, Hexagon socket counter sunk head cap screw in full thread and half thread, square nuts, square weld nuts, hexagon weld nuts, thick nyloc nuts, hexagon flange nuts, threaded rods, dowel screws,Plain / Flat Washer, Spring Washers, Countersunk Washer,Tooth Lock Washer and many more. We provide products as per DIN, ANSI, JIS standards.

347 Stainless Steel Fasteners Specification

Material
Size
Standards
Length
Specification
Manufacturer

347 Stainless Steel Fasteners

 

M02 to M33

ASTM A479

3 mm
to 
200 mm

IS

BS

ASTM

GKW

Unbrako

Kundan

APL

Sundaram Precision

EBY Fastener Etc.

Type of Fasteners:

Bolts (Eyebolt)

Stud

Nuts (Nylock, Lock)

Washer (Star, Plain)

Allen Caps

Screws (CSK, Pen Head, Philip, Mushroom, Cheese)

Clamp (U, J, L)

Grab

Rivet (Pop & Hollo) Etc.

In Form of:

Hex

Square

Round

Threading as per Gauge Etc.

Packing: IN BULK :canton/pallet, Small Boxs/carton/ pallet, or customer request
Origin and service-region: European

Origin of 347 Stainless Steel Fasteners are Western European. However projects with eastern origin are possible on request.

TEST CERTIFICATE Manufacturer Test Certificate as per EN 10204 / 3.1
Product Grades: 304, 304L, 316, 316L, 317, 317L, 310,321, 347, 410, 904L, 17-4PH, AL-6XN

Property Class

For Bolts & Screws: A2-70, A2-80, A4-70, A4-80, F593C, F593D, F593G, F593H

For Nuts: A2-70, A2-80, A4-70, A4-80, F594C, F594D, F594G, F594H, A2-035, A4-040

For SHCS: F837B, F837C, F837E, F837

For Threaded Rods: A2-70, A2-80, A4-70, A4-80, F593C, F593D, F593G, F593H, B8, B8M CL1 & CL2

Grade Designation

AISI Grade Equivalent
ASTM
JIS Equivalent
Stainless Steel Notation
EN/DIN Numerical Equivalent
UNS
designation
EN/DIN Symbolical Equivalent
AISI 347
A193 B8C, A320 B8C
SUS347
SS 347
EN 1.4550
UNS S34700
X6CrNiNb18-10
AISI 347H
SUS347H
SS 347H
EN 1.4961
UNS S34709
X6CrNiNb18-12

347 Stainless Steel Fasteners Composition

Chemical Composition
Typical Chemical compositional ranges for grade 347 Stainless Steel Fasteners

Grade

C

Mn

Si

P

S

Cr

Mo

Ni

N

Other

347

min.

max

0.08

2.00

0.75

0.045

0.030

17.0

19.0

-

9.0

13.0

-

Nb=10(C+N)

1.0

Mechanical Properties
Typical mechanical properties for grade 347 Stainless Steel Fasteners

Grade

Tensile Strength (MPa) min

Yield Strength 0.2% Proof (MPa) min

Elongation (% in 50mm) min

Hardness

Rockwell B (HR B) max

Brinell (HB) max

347

515

205

40

92

201

Physical Properties
Typical physical properties for grade 347 Stainless Steel Fasteners

Density ( g.cm-3 )

7.93

Melting point (°C )

1400-1425

Thermal Properties
Typical Thermal properties for grade 347 Stainless Steel Fasteners

Coefficient of thermal expansion ( x10-6 K-1 )

16-18 @ 20-100°C

Maximum use temperature in air ( °C )

800

347 Stainless Steel Fasteners Surface Coating

  • Hot Dipped Galvanizing
  • Epoxy Coating
  • Electro Polished
  • Passivation
  • Zinc Plating
  • Chrome Plating
  • Mirror Buffed
  • Teflon Coating
  • Oxidized

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