| Technical parameters | |
| Material | Tool steel round/flat bar |
| Size | Diameter:5mm-1000mm |
| Length:3000mm-6000mm | |
| Origin place | Made In China |
| Delivery Condition | Hot rolled,cold drawn,forged |
| Surface require | Black,grinding,bright,polish,turn,peel |
| Heat treatment | Quenched,Tempered,annealed |
| Packing | seaworthy packing,wooden case,carton,woven bag or at client's requires |
| Delivery time | In 10-50 days |
| Trade Term | EXW,FOB,CIF |
| Payments | T/T or L/C at sight |
| Port | China main Port,such as tianjin,qingdao,shanghai port. |
Chemical Component
| ASTM | DIN | DIN | C | Si | Mn | P | S | V | Cr | Mo | Ni | Cu | W |
| A2 | 1.2363 | Cr5Mo1V | 0.95-1.05 | ≤0.5 | ≤1.0 | ≤0.030 | ≤0.030 | 0.15-0.5 | 4.75-5.5 | 0.9-1.4 | 0.3 | 0.25 | - |
| D2 | 1.2379 | X153CRMOV12 | 1.50-1.60 | 0.10-0.40 | 0.15-0.45 | ≤0.030 | ≤0.030 | 0.90-1.10 | 11.0-12.0 | 0.60-0.8 | - | - | - |
| D3 | 1.208 | X210Cr12 | 2.0-2.35 | 0.2-0.6 | 0.1-0.6 | ≤0.030 | ≤0.030 | 1.1 | 11.0-13.5 | - | 0.3 | 0.25 | 1.0 |
| H10 | 1.2365 | 32CrMoV12-28 | 0.35-0.45 | 0.80-1.20 | 0.25-0.70 | ≤0.030 | ≤0.030 | 0.25-0.75 | 3.00-3.75 | 2.00-3.00 | 0.3 | 0.25 | - |
| H11 | 1.2343 | X37CrMoV5-1 | | 0.38-0.43 | 0.8-1.0 | 0.2-0.4 | ≤0.015 | ≤0.015 | 0.4-0.6 | 4.75-5.25 | 1.2-1.4 | - | - | - |
| H12 | 1.2606 | X35CrWMoV5 | 0.30-0.40 | 0.80-1.25 | 0.2-0.6 | ≤0.030 | ≤0.030 | 0.2-0.5 | 4.75-5.5 | 1.1-1.6 | - | - | 1.0-1.7 |
| H13 | 1.2344 | X40CrMoV5-1 | 0.32-0.45 | 0.8-1.2 | 0.25-0.5 | ≤0.030 | ≤0.030 | 0.8-1.2 | 4.8-5.5 | 1.1-1.5 | - | - | 1.6-2.4 |
| H21 | 1.2581 | X30WCrV9-3 | 0.26-0.36 | 0.15-0.25 | 0.2-0.4 | ≤0.030 | ≤0.030 | 0.3-0.6 | 3-3.75 | - | - | - | 8.5-10 |
| L6 | 1.2714 | 55NiCrMoV7 | 0.5-0.6 | 0.1-0.4 | 0.25-0.8 | ≤0.030 | ≤0.030 | 0.05-0.15 | 0.6-1.2 | 0.35-0.55 | 1.5-1.8 | - | - |
| O2 | 1.2842 | 90MnCrV8 | 0.85-0.95 | 0.1-0.4 | 1.8-2.2 | ≤0.030 | ≤0.030 | 0.05-0.2 | 0.2-0.5 | - | - | - | - |
| P20 | 1.2311 | - | 0.28-0.4 | 0.2-0.8 | 0.6-1.0 | ≤0.030 | ≤0.030 | - | 1.4-2.0 | 0.3-0.55 | - | - | - |
| S1 | 1.2542 | - | 0.4-0.55 | 0.15-1.20 | 0.1-0.4 | ≤0.030 | ≤0.030 | 0.15-0.30 | 1.0-1.8 | ≤0.5 | - | - | - |
| S7 | 1.2355 | 50CrMoV13-15 | 0.45-0.55 | 0.2-1.0 | 0.2-0.9 | ≤0.030 | ≤0.030 | 0.15-0.30 | 3.0-3.5 | 1.3-1.8 | - | - | - |
| Brand comparison and application | ||||||||||
| trademark | Steel grade category | China | United States of America | Japan | Germany | Main features and uses | ||||
| A2 | Air quenching medium alloy cold working die steel | Cr5Mo1V | SKD12 | 12363 | - | |||||
| D2 | High carbon and high chromium cold working die steel | C12MolV | SKDI1 | 12379 | - | |||||
| D3 | High carbon and high chromium cold working die steel | Cr12 | SKD1 | 12080 | - | |||||
| DC11 | High wear-resistant air quenching and cold working mold | Cr12Mo1V1 | D2 | SKD11 | - | |||||
| DC53 | High strength and toughness cold working die steel | Cr8MolVSi | Improved DC11 | After high temperature tempering, it has high hardness, high toughness and good wire cutting performance. It is used for fine blanking, drawing, rolling and cold punching dies and punches. | ||||||
| DF2 | Oil quenching cold working die steel | 9Min2V | O2 | Good blanking ability, small thermal deformation, used for small stamping dies and paper cutting blades. | ||||||
| DF3 | Oil quenching cold working die steel | 9CrWMn | O1 | SKS3 | Good incision persistence, small quenching deformation, used for sheet stamping die and embossing die. | |||||
| GOA | Special cold working die steel | SKS3 improved | High hardenability and good wear resistance, used for cold punching die, forming die, punch and embossing. | |||||||
| GSW2 3 79 | High carbon and high chromium cold working die steel | Cr12MolV1 | D2 | 12379 | Used for cold extrusion and stamping dies, and also used for plastic dies with high wear resistance. | |||||
| K100 | High carbon and high chromium cold working die steel | Crl2 | D3 | 12080 | High wear resistance and excellent corrosion resistance, used for trimming, deep drawing, cold pressing and forming die of stainless steel sheet. | |||||
| K110 | High carbon and high chromium cold working die steel | Cr12Mo1V1 | D2 | Good strength, hardness and toughness, used for heavy-duty stamping die. | ||||||
| K460 | Oil floating cold working die steel | MnCrwV | O1 | 12510 | Good strength, hardness and toughness, used for heavy-duty stamping die. | |||||
| M2 | High-speed steel for cold working dies | W6Mo5Cr4V2 | SKH9 | 1 3343 | - | |||||
| O1 | Oil quenching cold working die steel | MnCrwV | SKS3 | 12510 | - | |||||
| O2 | Oil quenching cold working die steel | 9Mn2V | 12842 | - | ||||||
| P18 | Pigeon system high speed for cold working mold | W18Cr4V | Ti | SKH2 | 13355 | - | ||||
| STD11 | Air floating cold working die steel | Cr12MolV1 | D2 Improvement | SKD11 | High cleanliness, uniform hardness, high wear resistance and high strength. | |||||
| XW10 | Air-cooled die steel | Cr5MolV | A2 | SKD12 | Good toughness, high wear resistance, and small heat treatment deformation. | |||||
| XW42 | High carbon and high chromium cold working die steel | Cr12Mo1V1 | D2 | Good hardenability and toughness, high wear resistance, small thermal deformation, good tempering resistance, | ||||||
| YK30 | Oil quenching cold working die steel | O2 | SKS93 | Cold stamping die | ||||||
| 8407 | Universal hot working die steel | 4Cr5MoSiv1 | H13 | Used in hammer forging, extrusion and die casting dies, and also used in plastic dies. | ||||||
| DH21 | Steel for aluminum die casting die | 4Cr3Mo3VSi | Good thermal fatigue cracking resistance and long service life of the die. | |||||||
| DH2F | Free-cutting pre-hardening die steel | H13+S | SKD61 improvement | Pre-hardened 37~41HRC, with good toughness, can be used for complex and precise zinc hot working dies, such as aluminum, die casting dies and aluminum hot extrusion dies, and can also be used for plastic dies. | ||||||
| DH31S | Steel for large die casting dies | Good hardenability, good thermal fatigue resistance and thermal melting loss resistance, used for aluminum and magnesium die casting, aluminum hot extrusion, hot shearing and hot stamping die. | ||||||||
| DH42 | Steel for copper die casting die | Die for cop alloy die casting and hot extrusion | ||||||||
| DHA1 | Universal hot working die steel | 4Cr5MoSiV1 | H13 | SKD61 | 1.2344 | Good hardenability, good thermal fatigue resistance and thermal loss resistance, high tempering resistance and excellent high temperature impact performance. | ||||
| GSW2 3 44 | Universal hot working die steel | 4Cr5MaSiV1 | H13 type | Die cas die for aluminum and zinc alloy | ||||||
| H10 | American H series hot working die steel | 4Cr3Mo3SiV | 12365 | - | ||||||
| H11 | American H series hot-working olive steel | 4Cr5MoSiv | SKD6 | 12343 | - | |||||
| H13 | American H series hot working die steel | 4Cr5MoSiv1 | SKD61 | 12344 | Widely used in China | |||||
| H21 | American H series hot working die steel | 3Cr2w8V | SKD5 | 12581 | Widely used in China | |||||
| HDS1 | Hot working die steel | H13 modified type | It has good strength, toughness and tempering resistance, and is used in die casting dies and hot extrusion dies. | |||||||
| QRO90 | Hot working die steel | (4Cr3Mo3V Si | Patented steel grade. High high temperature strength, good thermal conductivity, thermal shock resistance and thermal fatigue resistance. Used in aluminum and copper die casting dies, hot extrusion dies and hot forging dies. | |||||||
| STD61 | Hot working die steel | Approximate H13 | Has good high-temperature strength and toughness, | |||||||
| W302 | Hot working die steel | Approximate H13 | Used for die casting, hot extrusion and hot stamping die, used for aluminum and zinc alloy hot extrusion and hot stamping die. | |||||||
| 420SS | Corrosion resistant plastic die steel | 4Cr13 | X38C13 | Martensitic stainless steel | ||||||
| 440C | Corrosion resistant plastic die steel | 11Cr17 | SUS440C | Martensitic stainless steel | ||||||
1. What is flat bar steel used for?
Flat bar is a basic of building support materials. They are generally used for support braces, ladder hangers, gate latches, duct work, overhead doors, heaters and bracing.
2.What are steel round bars used for?
Round bars are commonly used to construct buildings, bridges, dams, and other infrastructure projects. Manufacturing and Engineering: Steel round bars are raw materials in manufacturing processes. They produce various components and parts, such as shafts, gears, bolts, nuts, valves, and fasteners.
3.What is the best metal for a flat bar?
Steel flat
Steel flat bars are the preferred choice in applications requiring structural integrity and longevity due to their unmatched strength and durability.
4.Where is flat steel used?
Flat steel sheets are thin, flat pieces of steel with consistent thickness. They are commonly used in construction, automotive manufacturing, and general fabrication. Flat steel sheets can be cut, bent, and formed into various shapes and sizes.
5.What are the uses of flat bar steel?
The metal is given layers of coatings and its surface is treated to make the products safe, reliable and long-lasting. It also helps protect against wear and tear, and corrosion. Flat steel bars are also used in garage doors, latches and heaters, as well as many other elements of residential construction.