A4 grade of Stainless Steel is the same as A2 grade. Stainless Steel A4 contains 16% chromium, 10% nickel and 2% molybdenum. Additional Molybdenum increases the corrosion resistance in Stainless Steel which endure attack from many industrial chemicals and solvents. Stainless Steel A4 is austenitic, nonmagnetic material which is suitable for all the situations as A2. But Stainless Steel A4 is also ideal for marine solutions. This Stainless Steel A4 is perfect for Fastener manufacturing, and it is easier to fabricate, weld, and finish. Use of Stainless Steel A4 grade is the most convenient and absolute choice. This material is also suitable in applications in surgical implants, photographic chemicals, and the marine environment.
We, Saffron Steel & Engineering., are leading manufacturer and supplier of Fasteners. We are producing Fasteners in different types, materials, specifications, and dimensions. By considering the needs of all industries, we are manufacturing a wide variety of Fasteners. Stainless Steel A4 Fasteners are the most preferred type of Fastener. We have a full inventory of Fasteners which is suitable for numerous types of industrial applications. By following all national as well as international standards, we manufacture the highest quality Stainless Steel A4 Fasteners. Along with standards, we also implement advanced technology and machinery to produce the most precise Stainless Steel A4 Fasteners in bulk amount.
Saffron Steel & Engineering. carries a wide range of stainless steel A4 fasteners in a variety of size, dimensions standards and tolerance to meet your project’s needs—including fasteners in dimension as per ASME B1.1, ASME B18.2.1, ASME B18.2.2, ASME B18.2.8, ASME B18.6.3, ASME B18.21.1, ASME B1.13M Fasteners / DIN , ANSI, JIS, ASTM standards specifications / weight chart & thickness of A4 stainless steel fasteners.
Saffron Steel & Engineering. is focusing on maintaining the quality of Fasteners and deliver them within the decided time. We have a team of experts, experienced, and skilled professionals who are working hard to provide expected quality to our clients. By using high-quality material for manufacturing and strict quality testing make us able to produce the most excellent quality Stainless Steel A4 Fasteners. Our quality testing team tests Fasteners at every stage of production to avoid defects and errors.
Stainless Steel A4 Fasteners Specifications
Specification : ASTM A193 / ASME SA193, ASTM A194 / ASME SA194, ASTM F593, F594, F1554 / ASME SF593, F594, F1554
Dimension : DIN, ISO, ASTM, JIS, BS, GB, IS and all International Standards
Size Range : M3 - M56 | 3/6" to 2" | Custom Sizes
Length : 3 mm to 200 mm
Stainless Steel A4 Fasteners Equivalent Grades
| Grade |
DIN |
UNS |
JIS |
BS |
GOST |
AFNOR |
EN |
| A4 |
|
|
|
|
|
|
|
| 316 |
1.4401 / 1.4436 |
S31600 |
SUS 316 |
316S31 / 316S33 |
- |
Z7CND17‐11‐02 |
X5CrNiMo17-12-2 / X3CrNiMo17-13-3 |
| 316L |
1.4404 / 1.4435 |
S31603 |
SUS 316L |
316S11 / 316S13 |
03Ch17N14M3 / 03Ch17N14M2 |
Z3CND17‐11‐02 / Z3CND18‐14‐03 |
X2CrNiMo17-12-2 / X2CrNiMo18-14-3 |
| 316H |
1.4401 |
S31609 |
SUS 316H |
- |
- |
- |
- |
By performing various destructive and non-destructive tests, we check the quality as well as durability Stainless Steel A4 Fasteners. At reasonable rates, we are offering excellent Fasteners with superior finishing. We are also taking care of packing, shipping, labelling and on-time delivery of Fasteners. We are fulfilling the needs of our clients by providing a variety of Fasteners with all necessary abilities.
Stainless Steel A4 Fasteners Types
Stainless Steel A4-70 Nuts
Stainless Steel A4-80 Nuts
A4 Stainless Steel Wing Nut
Stainless Steel A4 Nylon Lock Nut
SS A4 Coupling Nuts
Stainless Steel A4 Dome Nut
SS A4 Eye Nuts, Lifting Eye Nuts
Stainless Steel A4 Machine Nuts
Stainless Steel A4 Cap Nuts
Stainless Steel A4 Square Nuts
SS A4 T-Nuts, Tee Nuts
SS A4 Knurled Nuts, Thumb Nuts
Stainless Steel A4 Weld Nuts
SS A4 Self-Clinching Nuts
Stainless Steel A4-70 Bolts
Stainless Steel A4-80 Bolts
A4 Stainless Steel Lag Bolts
Stainless Steel A4 U Bolts
SS A4 Carriage Bolts
Stainless Steel A4 Square Bolt
Steel A4 Foundation Bolts
Stainless Steel A4 Structural Bolts
Stainless Steel A4 J Bolts
Stainless Steel A4 Anchor Bolts
SS A4 Elevator Bolts
SS A4 Socket Head Bolts
Stainless Steel A4 Shoulder Bolts
SS A4 Countersunk Bolts
Stainless Steel A4-70 Stud Bolt
Stainless Steel A4-80 Stud Bolt
SS A4 Full Threaded Stud Bolts
Stainless Steel A4 Double Ended Studs
SS A4 Tap End Stud Bolt
Stainless Steel A4 Single End Stud Bolts
SS A4 Partial Thread Stud Bolt
Stainless Steel A4 Continuous Threaded Stud Bolt
Stainless Steel A4 Heavy Stud Bolts
SS A4 Reduced Shank Stud Bolt
Stainless Steel A4 Studbolts
Stainless Steel A4 Threaded Studbolt
Stainless Steel A4-70 Washers
Stainless Steel A4-80 Washers
SS A4 Plain Washers
Stainless Steel A4 Split Washer
SS A4 Spring Lock Washers
Stainless Steel A4 Flat Washers
SS A4 Belleville Washers
Stainless Steel A4 Tab Washers
SS A4 Ogee Washers
Stainless Steel A4 Dock Washers
SS A4 Star Washer
SS A4 Beveled Washers
Stainless Steel A4 Hex Washer
SS A4 Tooth Lock Washers
Stainless Steel A4-70 Screw
Stainless Steel A4-80 Screw<
SS A4 Socket Head Screws
SS A4 Round Head Screws
A4 Stainless Steel Tapping Screws
Stainless Steel A4 Flat Washers
SS A4 Thumb and Wing Screws
Stainless Steel A4 Self Drilling Screw
SS A4 Socket Set Screw
Stainless Steel A4 Eye Screw
SS A4 Machine Screws
SS A4 Button Head Screws
Stainless Steel A4 Drywall Screws
SS A4 Slotted Head Set Screws
Stainless Steel A4-70 Hex Nuts
Stainless Steel A4-80 Hex Nut<
SS A4 Lock Hex Nut
SS A4 Finished Heavy Hex Nut
A4 Stainless Steel Hexagon Nuts
Stainless Steel A4 Hex Head Nut
SS A4 Hex Cap Nuts
Stainless Steel A4 Hexagonal Nuts
SS A4 Hex Slotted Nuts
Stainless Steel A4 Hex Jam Nut
SS A4 High Hex Nuts
SS A4 Hex Machine Nuts
Stainless Steel A4 Hex Panel Nuts
SS A4 Hex Coupling Nuts
Stainless Steel A4-70 Hex Bolt
Stainless Steel A4-80 Hex Bolt
SS A4 Heavy Hex Bolts
SS A4 Finished Hex Bolts
A4 Stainless Steel Hexagon Bolt
Stainless Steel A4 Hex Tap Bolts
SS A4 Hexagonal Head Bolt
Stainless Steel A4 Hexagon Screw Head Bolt
SS A4 Hex Machine Bolts
Stainless Steel A4 Hex Flange Bolt
SS A4 Threaded Hex Bolts
SS A4 Hex Socket Bolts
Stainless Steel A4 Metric Hex Bolt
SS A4 High Tensile Hex Bolt
SS A4 Threaded Rod
SS A4 All Threaded Rod
SS A4 Tie Bar
Stainless Steel A4 Studs
Stainless Steel A4 Double End Rods
SS A4 Trapezoidal Threaded Rod
Stainless Steel A4 Tie Rods
SS A4 Threaded Studs
Stainless Steel A4 Coil Rods
Stainless Steel A4 Industrial Studs
SS A4 Self-Clinching Studs
Stainless Steel A4 Heavy Studs
Stainless Steel A4 Fully Threaded Studs
Stainless Steel A4-70 / A4-80 Threaded Studs
Stainless Steel A4 Fasteners Dimensions :
Full Range of Stainless Steel A4 Fastener Products both Imperial & Metric. Dimensions range from M3 to M72
Hexagon Bolts / Set Screws |
Stud Bolts |
Hexagon Nuts |
Socket Capscrews |
|---|
DIN 931 | BS4882 | DIN 934 | DIN 912 |
DIN 933 | DIN 976 | BS 1768 | DIN 6912 |
BS 1768 | | BS 1769 | DIN 7984 |
UNI 5731 | | BS 1083 | ANSI B18.3 |
UNI 5739 | | BS 3692 | ISO 4762 |
ISO 4014 | | ISO 4032 | UNI 5931 |
ISO 4017 | | ISO 4033 | BS 2470 |
BS 1769 | | ANSI B18.2.2 | BS 4168 |
BS 3692 | | | |
ANSI B18.2.1 | | | |
Socket & Slotted Set Screws |
Socket & Slotted Countersunk Screws |
Studs |
Washers |
|---|
DIN 913 | DIN 963 | DIN 938 | DIN 125 |
DIN 914 | DIN 7991 | DIN 939 | DIN 9021 |
DIN 915 | BS 4168 | DIN 2510 | BS 4320 |
DIN 916 | BS 1981 | BS 4439 | BS 3410 |
DIN 551 | BS 483 | BS 2693 | |
DIN 553 | BS 2470 | | Spring Washers |
DIN 438 | | | DIN 127 |
BS 4168 | | | BS 4464 |
| | | | BS 1802 |
Stainless Steel A4 Fasteners Chemical Composition
| Grade |
|
C |
Si |
Mn |
P |
S |
Cr |
Mo |
Ni |
Cu |
N |
| A4 |
Min |
- |
- |
- |
- |
- |
16.0 |
2.0 |
10.5 |
- |
- |
| ISO |
Max |
0.08 |
1.00 |
2.00 |
0.045 |
0.03 |
18.5 |
3.0 |
14.0 |
1.0 |
- |
| A4-70 |
Min |
- |
- |
- |
- |
- |
16.0 |
2.0 |
11.5 |
- |
0.12 |
| ISO² |
Max |
0.03 |
1.00 |
2.00 |
0.045 |
0.03 |
18.5 |
3.0 |
14.0 |
1.0 |
0.22 |
| 316 |
Min |
- |
- |
- |
0 |
- |
16.0 |
2.00 |
10.0 |
|
- |
|
Max |
0.08 |
0.75 |
2.0 |
0.045 |
0.03 |
18.0 |
3.00 |
14.0 |
|
0.10 |
| 316L |
Min |
- |
- |
- |
- |
- |
16.0 |
2.00 |
10.0 |
|
- |
|
Max |
0.03 |
0.75 |
2.0 |
0.045 |
0.03 |
18.0 |
3.00 |
14.0 |
|
0.10 |
| 316H |
Min |
0.04 |
0 |
0.04 |
- |
- |
16.0 |
2.00 |
10.0 |
|
- |
|
Max |
0.10 |
0.75 |
0.10 |
0.045 |
0.03 |
18.0 |
3.00 |
14.0 |
|
- |
Stainless Steel A4 Fasteners Mechanical Properties
| Grade |
Tensile Strength (MPa) min |
Yield Strength
0.2% Proof
(MPa) min |
Elong
(% in 50mm) min |
Hardness
Rockwell B (HR B) max |
Brinell (HB) max |
| A4 |
700 |
450 |
40 |
Not required |
Not required |
| 316 |
515 |
205 |
40 |
95 |
217 |
| 316L |
485 |
170 |
40 |
95 |
217 |
| 316H |
515 |
205 |
40 |
95 |
217 |
Stainless Steel A4 Fasteners Application Industries
- Textile machinery
- Oil and gas industry
- Pulp and paper industry
- Power plants
- Energy industries
- Furniture
- Pharmaceutical processing industry
- Modern architecture
- Home appliances
- Water waste projects
- Synthetic fiber
- Heat exchanger
- Fluid piping
- Dairy and food processing
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