Premium-grade stainless steel 431 hollow bars that are designed for strength, durability, and performance are available from George Metals, a reputable manufacturer and supplier with headquarters in Houston, USA. George Metals has years of experience in providing speciality stainless steel products to a variety of industries, including oil and gas, aerospace, automotive, and marine. Their 431 hollow bars of stainless steel are renowned for their superior tensile strength, good machinability, and resistance to corrosion. George Metals guarantees that every product satisfies international standards by using sophisticated manufacturing facilities and stringent quality control. It serves both domestic and international clients with prompt delivery and affordable prices.
The martensitic stainless steel alloy used to make Stainless Steel 431 Hollow Bars has a maximum carbon content of 0.20%, 1.25–2.50% nickel, and roughly 15.0–17.0% chromium. High strength and moderate corrosion resistance are provided by this composition. Heat treatment can increase the bars’ hardness, which ranges from 250 to 300 HB, and tensile strength, which is between 850 and 1000 MPa. In addition to having fair machinability and magnetic qualities, 431 stainless steel has good impact strength and toughness, particularly when hardened and tempered, which makes it appropriate for engineering components that are subjected to stress.
Dimensions : ASTM, ASME
Standard : ASTM / ASME SA A582, A276, A564, ASTM A484, 484M
Surface : hrap, hot rolled pickled or sand blasting finished, cold drawn, polished, hairline
Range : Range – 3.17mm to 350mm dia
| Element | C | Cr | Mn | Ni | P | S | Si |
| SS 431 | 0.20 | 17.00-15.00 | 1.00 | 2.50-1.25 | 0.040- | 0.030 | 1.00 |
| Element | Density | Electrical Resistivity | Modulus of Elasticity |
| SS 431 | 0.2800 lb/inch³ | 70° Ohms (circ mil./ft.) | 29.0 X 10^3 |
| Hollow Bar | ||
|---|---|---|
| Size(mm) | WT PER FEET IN KGS | WT PER MTR IN KGS |
| 16 | 0.49 | 1.60 |
| 18 | 0.62 | 2.02 |
| 20 | 0.76 | 2.49 |
| 22 | 0.92 | 3.02 |
| 25 | 1.19 | 3.90 |
| 28 | 1.49 | 4.89 |
| 28 | 1.49 | 4.89 |
| 30 | 1.71 | 5.61 |
| 32 | 1.95 | 6.38 |
| 36 | 2.46 | 8.08 |
| 38 | 2.74 | 9.00 |
| 40 | 3.04 | 9.97 |
| 45 | 3.85 | 12.62 |
| 50 | 4.75 | 12.62 |
| 56 | 8.96 | 19.55 |
| 60 | 6.84 | 22.44 |
| 65 | 8.03 | 26.34 |
| 70 | 9.31 | 30.54 |
| 75 | 10.69 | 35.06 |
| 80 | 12.16 | 39.89 |
| 90 | 15.39 | 50.49 |
| 100 | 19 | 62.34 |
Applications needing good toughness, moderate corrosion resistance, and high mechanical strength are best suited for stainless steel 431 hollow bars. They are frequently utilised in high-strength fasteners, pump shafts, aircraft parts, and marine hardware in the maritime and aerospace sectors. They are appropriate for motor shafts, valve components, and turbine blades due to their resilience to wear and strain. 431 hollow bars are utilised in the petrochemical and chemical industries for parts that are subjected to mildly corrosive conditions. They are also a popular option for producing general-purpose mechanical components and precision-engineered parts due to their exceptional machinability and hardenability.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
George Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Houston, USA
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