Product Description
Product Description
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Main Grade we can supply for forged steel bars
| Steel series | Representative steel type |
| Carbon Steel series | AISI 1020,1045,A36,S355JR,S355JO |
| Petroleum machinery series | AISI4150,AISI4140,AISI4130, |
| 30CrMo,4145H | |
| Tool mold series | 1.2714,5CrMnMo,5CrNiMoV, |
| 1.2738,1.2311,1.2312 1.2714 H13 | |
| Bearing series | 52100,GCr15,SUJ2 |
| Marine series | 4140,42CrMo,SCM440, |
| 709M40 | |
| Car series | SAE8620,20CrNiMo, |
| SNCM220 | |
| Heavy-duty transmission series | 40CrNiMo,SNCM439, |
| SAE4340,EN24 | |
| Mining machinery series | 655M13,826M40, |
| 25CrMo | |
| Wind power gear series | 18CrNiMo7-6, 17CrNiMo6, 1.6582,1.6587,SAE8620 |
| Wind power spindle series | 34CrNiMo6,817M40 |
| Nitriding series | 20MnCr5,38CrMoAl, |
| 31CrMoV9 | |
| Pressure vessel series | 15CrMo,13CrMo4-4 |
| Metallurgical roll series | 21CrMoV511,W1.7225, |
| EN19,709M40 |
| COLD WORK TOOL STEEL | |||||
| Grade | AISI /ASTM | DIN (W.Nr) | JIS | EN/ BS | GB |
| DC53 | higher than D2 | SKD11 | XW-5 | Cr8Mo2Vsi | |
| D2 | D2 | 1.2379 | SKD11 | BD2 | CR12MO1V1 |
| Cr12MoV | CR12MOV | ||||
| D3 | D3 | 1.2080 | SKD1 | BD3 | CR12 |
| O1 | O1 | 1.2510 | SKS3 | 9CRWMN | |
| HMD5 | HMD5 | 7CrSiMnMoV | |||
| 5CrNiMo | L6 | 55NiCrMoV6 | SKT4 | 5CrNiMo | |
| 52100 | 52100 | 1.3505 | EN31 | GCR15 | |
| HOT WORK TOOL STEEL | |||||
| H13 | H13 | 1.2344/1.2342 | SKD61/DAC | 8407 | 4CR5MOSIV1 |
| FDAC | 1.2347 | FDAC | FDAC | ||
| H11 | H11 | 1.2343 | SKD6 | H11 | |
| 3Cr2W8V | H21 | 1.2581/ X30WCrV93 | SKD5 | BH21 | 3CR2W8V |
| PLASTIC MOULD STEEL | |||||
| P20 | P20 | 1.2311 | HPM7/PX88 | 618 | 3CR2MO |
| 718 | P20+NI | 1.2738 | PX4/PX5 | 718 | 3CR2NIMO |
| S136 | 420 | 1.2083 | S-STAR | S136 | 4CR13 |
| NAK80 | P21 /P20+S | 1.2312 | NAK80 | 15NI3MN | |
| HIGH SPEED STEEL | |||||
| M2 | M2 | SKH51 | W6MO5CR4V2 | ||
| M42 | M42 | S2-10-1-8 | SKH59 | W2MO9CR4VCO8 | |
| ALLOY STRUCTURE STEEL | |||||
| Grade | AISI /ASTM | DIN (W.Nr) | JIS | EN/ BS | GB |
| 5120 | 5120 | 1.7027 /21Cr4 | SCr420 | 20Cr | |
| 530M40 /5140 | 530M40 /5140 | 1.7035 /41Cr4 | SCr440 | 40Cr | |
| 5145 | 5145 | Scr445 | 45CR4 | ||
| 4118 | 4118 | 1.7243 /18CrMo4 | SCM418 / SCM420 | 20CrMo | |
| 4135 | 4130 | 1.7218 /25CrMo4 | SCM430 | 708A25/ 708M25 | 30CrMo |
| 4140 | 4140 | 1.7225 /42CrMo4 | SCM440 | EN19/ 709M40 | 42CrMo |
| 4340 | 4340 | 1.6582/ 34CrNiMo6 | SNCM 439/ SNCM8 | EN24/ 817M40 | 40CrNi2Mo |
| 8620 | 8620 | 1.6523/ 21NiCrMo2 | SNCM220 | 805M20 | 20CrNiMo |
| CARBON STEEL | |||||
| 20 | 1020 | C22. CK22 | S20C | EN3B /070M20 | 20 |
| 35 | 1035 | C35.CK35 | S35C | 35 | |
| 45 | 1045 | C45.CK45 | S45C | EN8D/C45E | 45 |
| 50 | 1050 | CK53 | S50C | EN9/070M55 | 50 |
| Q355 | S355J /ST52 | EN14 | Q355 | ||
| 30Mn | 1030.1033 | S30C | 30Mn | ||
| 30Mn2 | 1330 | 30Mn5 | SMn433h | 30Mn2 | |
| STAINLESS STEEL | |||||
| steel grades: 304, 304L, 316, 316L, 321, 410 430, 431, 2205, 2304, 2507. F53, F55 | |||||
Detailed Photos




1.What is a round bar used for?
Round bar is a steel bar with a smooth surface which is used for construction that does not request high-strength reinforced concrete works. It is widely used on beam and column stirrups, pipelines, roads, small and medium-sized projects.
2.What type of steel is a round bar?
Mild steel round bars are made from low-carbon steel, which makes them ductile, easy to weld, and cost-effective. They are commonly used in general construction, fabrication, and manufacturing. MS round bars are ideal for projects where high strength isn't the primary requirement.
3.What is another name for a round bar?
The most common shapes are round bar (also called rod), rectangular bar (including square bar, the special case of equal sides), and hexagonal bar (usually called hex bar for short). Tube and pipe are similar, but have hollow centers and are traditionally not called "bar" in industrial usage.
4.What is stronger, round bar or square bar?
Square Bars: Thanks to their flat surfaces and defined edges, square bars handle pulling forces differently than round bars. They provide extra stability, especially when you need even tension across a flat surface.
5.Is a round bar solid?
A round bar is a solid metal rod with a consistent circular cross-section. These bars come in different thicknesses and lengths, depending on what they're needed for



















