SS316L Stainless Steel Investment Casting Custom Valve Components
Supplier
Product Description and Process
Production process: Silica Sol lost wax investment casting process
Machining process: CNC machine, machining center, lathe, mill
machine, drill machine, etc.
Product Material and Uses
Normally produce with ASTM A743/A743M Grade CF8, CF8M, CF3, CF3M,
ZG0Cr18Ni10, ZG0Cr18Ni9, ZG0Cr18Ni9Ti, ZG0Cr18Ni12Mo2Ti,
ZG1Cr18Ni12Mo2Ti, etc.
The stainless steel casting products are widely used for auto-car
components, Machinery & Pump Parts, Marine Parts, valve parts, pipe
parts, etc.
POPULAR STAINLESS STEEL GRADES: SS 304 | SS 410 | SS 316 | 17-4
We has experience pouring a wide variety of stainless steel alloy
casts. We cast stainless steel from miniature to 50 pounds.
The most common alloys we have poured are listed below. We are also
capable of pouring other air melt alloys upon your request.
Specific material chemistry and mechanical specifications will be
provided to you if needed. For your Stainless Steel Castings needs,
we can help you out.
Stainless Steel - Grade 304 (UNS S30400)
Chemical Formula
Fe, <0.08% C, 17.5-20% Cr, 8-11% Ni, <2% Mn, <1% Si,
<0.045% P, <0.03%
Composition
Typical compositional ranges for grade 304 stainless steels are
given in table 1.
Table 1. Composition ranges for 304 grade stainless steel
| Grade | | C | Mn | Si | P | S | Cr | Mo | Ni | N |
| 304 | min.
max. | -
0.08 | -
2.0 | -
0.75 | -
0.045 | -
0.030 | 18.0
20.0 | - | 8.0
10.5 | -
0.10 |
| 304L | min.
max. | -
0.030 | -
2.0 | -
0.75 | -
0.045 | -
0.030 | 18.0
20.0 | - | 8.0
12.0 | -
0.10 |
| 304H | min.
max. | 0.04
0.10 | -
2.0 | -
0.75 | -0.045 | -
0.030 | 18.0
20.0 | - | 8.0
10.5 | - |
Mechanical Properties
Typical mechanical properties for grade 304 stainless steels are
given in table 2.
Table 2. Mechanical properties of 304 grade stainless steel
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50 mm) min | Hardness |
| Rockwell B (HR B) max | Brinell (HB) max |
| 304 | 515 | 205 | 40 | 92 | 201 |
| 304L | 485 | 170 | 40 | 92 | 201 |
| 304H | 515 | 205 | 40 | 92 | 201 |
304H also has a requirement for a grain size of ASTM No 7 or
coarser.
Physical Properties
Typical physical properties for annealed grade 304 stainless steels
are given in table 3.
Table 3. Physical properties of 304 grade stainless steel in the
annealed condition
| Grade | Density (kg/m3) | Elastic Modulus (GPa) | Mean Coefficient of Thermal Expansion (μm/m/°C) | Thermal Conductivity (W/m.K) | Specific Heat 0-100 °C (J/kg.K) | Electrical Resistivity (nΩ.m) |
| 0-100 °C | 0-315 °C | 0-538 °C | at 100 °C | at 500 °C |
| 304/L/H | 8000 | 193 | 17.2 | 17.8 | 18.4 | 16.2 | 21.5 | 500 | 720 |
Grade Specification Comparison
Approximate grade comparisons for 304 stainless steels are given in
table 4.
Table 4. Grade specifications for 304 grade stainless steel
| Grade | UNS No | Old British | Euro norm | Swedish SS | Japanese JIS |
| BS | En | No | Name |
| 304 | S30400 | 304S31 | 58E | 1.4301 | X5CrNi18-10 | 2332 | SUS 304 |
| 304L | S30403 | 304S11 | - | 1.4306 | X2CrNi19-11 | 2352 | SUS 304L |
| 304H | S30409 | 304S51 | - | 1.4948 | X6CrNi18-11 | - | - |
