Nascent Pipe & Tubes is one of the well-known exporting houses of SS 347H Fasteners (Washers), where chromium is the most important alloying element. Above 12 % Cr steel forms a chromium oxide layer on its surface that gives SS 347H Flat Washer its unique resistance against atmospheric corrosion; depending on the individual grade, up to 30 % Cr is alloyed. We are best Manufacturers, Exporters & Stockists of Stainless Steel 347H Washers in South Africa.
Chromium increases the ability of Stainless Steel 347H Lock Washers to harden heat – treatable steels, and raises the tensile strength whilst the ductility is only slightly lowered. Used in heat – treatable steels up to 3.5 %, Cr in SS 347H Sealing Washer increases the effective hardening depth where large diameters or thicknesses are heat treated.
Stainless Steel 347H Washers Manufacturers, Stainless Steel 347H Washers Suppliers, Stainless Steel 347H Washers Stockists, Stainless Steel 347H Washers Exporters
Stainless Steel 347H Washers Manufacturers in South Africa, Stainless Steel 347H Washers Suppliers in South Africa, Stainless Steel 347H Washers Stockists in South Africa, Stainless Steel 347H Washers Exporters in South Africa
Decarburisation of high pressure hydrogenation Stainless Steel 347H Split Washers is minimised by alloying up to 12 % Cr. Stainless Steel 347H Slot Washers is heat and scale resistant steels to create a firmly adhering oxide layer on the surface.
In high – temperature of SS 347H Machine Washers, low amounts of aluminium increase the high – temperature strength. In low alloyed steels, Stainless Steel 347H Star Washer increases the ability to harden the steel and prohibits the temper brittleness of chromium and manganese alloyed heat treatable steels. In tool steels, the ability of SS 347H Spring Washer to induce carbides is used to increase abrasion resistance and tempering resistance.
SS 347H Washer Specifications
| Specifications |
ASTM A193 ASME SA193 |
| Standard |
DIN, ASTM, BS and all International Standards |
| Length |
M02 to M33 |
| Size |
3 mm to 200 mm |
| Type |
Flat Washer, Lock Washer, Sealing Washer, Split Washer, Slot Washer, Machine Washer, Star Washer SPRINGS – Wire Spring & Flat Spring |
347H Stainless Steel Washers Chemical Composition
| Grade |
C |
Mn |
Si |
P |
S |
Cr |
Cb |
Ni |
Fe |
| SS 347H |
0.04 – 0.10 |
2.0 max |
1.0 max |
0.045 max |
0.030 max |
17.00 – 20.00 |
8xC – 1.10 |
9.00 – 13.00 |
63.72 min |
Stainless Steel 347H Washer Mechanical Properties
| Density |
Melting Point |
Tensile Strength |
Yield Strength (0.2%Offset) |
Elongation |
| 8.0 g/cm3 |
1454 °C (2650 °F) |
Psi – 75000 , MPa – 515 |
Psi – 30000 , MPa – 205 |
35 % |
Equivalent Grades for 347H Stainless Steel Washer
| STANDARD |
WERKSTOFF NR. |
UNS |
JIS |
BS |
GOST |
AFNOR |
EN |
| SS 347H |
1.4961 |
S34709 |
SUS 347H |
– |
– |
– |
X6CrNiNb18-12 |
Our Export
Domestic Area
| Mumbai |
Ahmedabad |
Bhopal |
Bikaner |
Pune |
| Delhi |
Chennai |
Visakhapatnam |
Mangalore |
Nagpur |
| Bangalore |
Kolkata |
Siliguri |
Assam |
Indore |
| Hyderabad |
Surat |
Nashik |
Cochin |
Thane |
| Faridabad |
Rajkot |
Aurangabad |
Bhavnagar |
Ranchi |
| Coimbatore |
Mysore |
Salem |
Tirupur |
Bikaner |
| Raipur |
Bhubaneswar |
Bhilai |
Ankleshwar |
Bhiwandi |
| Vadodra |
Kochi |
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