Home > EN9 Round Bar
EN9 Round Barsare notable for their strength and durability, engineered to satisfy demanding industrial needs. Recognized for their outstanding durability and resistance to corrosion, these steel frames are well suited for producing shafts, gears and structural components. Offering excellent mechanical and strength characteristics, EN9 round bars deliver dependable performance across a range of industrial uses, which makes them the favored option for applications that call for strength and high performance capabilities
| Grade | 070M55 / EN-9 |
|---|---|
| Specification | BS 970 1991 |
| Round Bar Size | Diameter: 3-~800mm |
| Square Bar size | 4 to 100mm |
| Flat Bar Size | Thickness: 2 -100mm |
| Width: 10 to 500mm | |
| Hex Bar Size | 2-100mm A/F |
| Rectangles Size | 33 x 30mm to 295 x 1066mm |
| Hollow Bar | 32mm OD x 16mm ID to 250mm OD x 200mm ID) |
| Angle Bar Size | 3mm*20mm*20mm~12mm*100mm*100mm |
| Channel Bar | 80 x 40mm to 150 x 75mm section; 5.0 to 6.0mm thickness |
| Section | 3.0 to 12.0mm thickness |
| Billet Size | 1/2″ to 495mm Diameter |
| Finish | Cold (bright) drawn, centreless ground,smooth turned, Rough Turned, Bright, peeled, hot rolled, hot rolled annealed, slit rolled edge, Polish, Grinding, Centreless Ground & Black |
| Tolerance | K9, K10, K11, K12, H8, H9, H10, H11, H12, H13, or as per clients’ requirements |
| Surface | Polished, Bright, Cold Drawn, Hot Rolled Pickled, Sand Blasting Finished, Hairline |
| Condition | Hardened & Tempered, Annealed |
| Technique | en9 Hot Rolled, Cold Rolled, Cold Drawn, Forged Round Bar, Rods |
| Processing | Bar cutting to 650mm |
| Form | en9 Welding Rod, Round, Round Rod, Rings, Hollow, Rod, T-Bar, Channel Bar, Flat Bar, Square, Blocks, Precision Ground Bar, Triangle, Rectangle, Hex (A/F), Threaded, Ingot, I/H Bar, Half Round Bar, Profiles, Billet, Forging etc. |
| EN9 / 070M55 Bars and Rods Conforms To NACE MR0175/ISO 15156 | |
| Grade | Cr | C | Ni | Si | S | Mn | P | Mo |
| EN – 9 | – | .50 – .60 | – | .05 – .35 | .040 MAX | .50 – .80 | .040 MAX | – |
| Heat Treatment | Condition Tons/SQ.inch | Tensile Stress RE MPA | RP0.2 MPA | A min on 5.65so | Impac | Hardness HB | Limited Ruling Section mm | |
| IZODFT.L.b | KCV Joules | |||||||
| Normalise | 45 | 700 | – | 12 | – | – | 201-255 | 63 |
| 39 | 600 | – | 13 | – | – | 170/223 | 250 | |
| R | 45/55 | 700/850 | 385 | 14 | – | – | 201/277 | 100 |
| S | 50/60 | 775/925 | 450 | 14 | – | – | 223/277 | 63 |
| T | 55/65 | 850/1000 | 555 | 12 | – | – | 248/302 | 19 |
At Koasteel, we’re proud to be the largest supplier and manufacturer in the New Zealand, delivering advanced solutions for every one of your piping requirements. With cutting-edge manufacturing facilities strategically situated across New Zealand, we maintain an extensive stock of more than 25,000 tons of top-grade materials on hand and ready to ship.
Reach out to us for a fast quote tailored to your requirement.
We supply these EN9 Round Bar in accordance with DIN, ISO, JIS or ANSI Standard.
EN9 Round Bar uses are as varied as the sectors they cater to, led mainly by the aerospace, railway, construction and automotive industries along with petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.
EN9 round bars, composed of carbon steel, may be prone to galvanic corrosion when they come into contact with unlike metals and are exposed to an electrolyte. To reduce this risk, choosing the right material and applying protective measures, like coatings or galvanization, are crucial. Thoughtful attention to the surroundings and possible metal interactions can help improve the durability and performance of EN9 round bars across a range of applications.
Email: sales@koasteel.nz
