SS 431 Stainless Steel Round Bars
AISI 431 (UNS S43100) · DIN 1.4057 · JIS SUS431
SS 431 Stainless Steel Round Bars in ready stock at our Madurai godowns, hardened & tempered, Ø 12–200 mm. Band-saw cut to your sizes with mill test certificates on request.
I. Sizes & weights
Nominal weights at 7.7 g/cm³ · Ø 12–200 mm| Ø mm | kg / metre | kg / 6 m bar | |
|---|---|---|---|
| 12 | 0.87 | 5.23 | |
| 16 | 1.55 | 9.29 | |
| 20 | 2.42 | 14.5 | |
| 25 | 3.78 | 22.7 | |
| 32 | 6.19 | 37.2 | |
| 40 | 9.68 | 58.1 | |
| 50 | 15.1 | 90.7 | |
| 63 | 24.0 | 144.0 | |
| 80 | 38.7 | 232.2 | |
| 100 | 60.5 | 362.9 | |
| 125 | 94.5 | 567.0 | |
| 160 | 154.8 | 928.9 | |
| 200 | 241.9 | 1,451.4 |
II. Chemical composition (% by weight)
| Element | C | Mn | Si | Cr | Ni |
|---|---|---|---|---|---|
| Min | 0.12 | – | – | 15.0 | 1.25 |
| Max | 0.20 | 1.00 | 1.00 | 17.0 | 2.50 |
Typical standard ranges. Every mill lot ships with its own test certificate on request.
III. Mechanical properties
- Tensile
- 860 MPa (H&T)
- Yield
- 655 MPa
- Hardness
- 277 HB max
- Elongation
- 10% min
IV. Supply condition
- Condition
- Hardened & tempered
- Machinability
- Fair
- Forms
- round
- Cutting
- Band saw ±1 mm
- SKU
- SST-SS-12
V. Weigh it, then request it.
Locked to SS 431SS 431 · 7.7 g/cm³
W = π × D² × L × ρ ÷ 4,000,000 · ρ = 7.7 g/cm³ · rounded to 0.1 kg. Theoretical weight; actual mill weight can vary by ±2–3%.
Propeller shafts, pump shafts, bolts
About SS 431
Can you cut SS 431 to my sizes?
Yes. SS 431 is band-saw cut to ±1 mm. Send piece sizes and quantities with your request; cutting is quoted with the material.
Is a mill test certificate provided with SS 431?
An MTC is supplied with mill material on request, traceable to the heat number.
What sizes are in stock?
Ø 12–200 mm. For large tonnage, message us to reserve material.
What are the equivalents of SS 431?
AISI 431 (UNS S43100), DIN 1.4057, JIS SUS431. Equivalents are close matches; confirm against your drawing's specification.
