Product Description
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| 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 | |||||
Tianjin Boer King Steel is a professional trading company and has been in steel industry for more than 15years, specializing in seamless steel pipe,oil casing/drill pipe, galvanized steel pipe, stainless steel pipe,ERW/SSAW/LSAW/ welded pipe.
Also we sale hot and cold rolled steel coils,steel plates,galvanized steel coils, all kinds of profiles like H-beam, Angel bar,C profile etc.
We have established long term cooperations with several famous steel manufactures all over the world, and we can offer you best quality products with competitive price which will give you an edge over your competitors.
Besides, we offer best service all the time.We will do our best to satisfy you needs for the products. Our products have been sold in many countries and areas of the world including South America, Iran, Kenya, Israel etc, and our export volume reaches 160,000tons per year.
We execute quality gurantee system ISO 9001,2008 strictly and all certicates and the third party inspection like MTC,API,ABS,ISO9001,SGS BV etc. will be provided as client's requirements.