Specification
1: Forging steel ring
2: Materials: Carbon, stainless and alloy steel
3: Measurement: Per customer's drawing
Superiority
1. We had already passed the authentification by the ISO9001-2008, and established a completed set of quality assurance system.
2. Under such a complete set of quality assurance systems, there is a complete set of regulations for ordering, order handling, quality design, purchasing raw materials, working out production plan, production, test and inspection, packaging, storage, delivering, etc.
3. We also have a complete set of equipment and techniques for testing and controlling the performance of the forging products, which ensures our product quality to take a leading position among the products in domestic market and reach the international standard.
| Name& Description | Capacity | Quantity |
| 3600Thydraulic press | Max. single forging in 18T | 1 |
| 2000T hydraulic press | Max. single forging in 9T | 2 |
| 800 hydraulic press | Max. single forging in 5T | 1 |
| 6T electrical hydraulic hammer | Max. single forging in 5T | 1 |
| 3T electrical hydraulic hammer | Max. single forging in3T | 1 |
| Air hammer | Max. single forging from250kg to 1000kg | 7 |
| Forging operation machine | Max. singe forging from20T-5T | 7 |
| Heat treatment Furance | Max. 8000*5000*1500mm | 11 |
| CNC driling machine | Max. 5000mm | 2 |
| Vertical lathe | From 1600 to 5000mm | 60 |
| Horizontal lathe | Max. 5000mm | 70 |
| Band sawing machine | 260-1300mm | 36
|
Alloy and carbon steel forging steel grades:
A182-F1, A182-F2, A182-F9, A182-F11, A182-F12, A182-F21, A182-F22, A182-F36, A182-F91, A182-F92, A694-F42, A694-F46, A694-F48, A694-F50, A694-F60, A694-F70, SA-350 LF1, SA-350 LF2, SA-350 LF3, SA-350 LF5, SA-350 LF6, AISI 1045, AISI 4140, AISI 4130, AISI 4340, AISI 4317, AISI 4130, AISI 8620, AISI 9840, AISI 4145H, AISI 4145H, AISI 4145H Mod, AISI 4330V, AISI 4330V Mod. AISI 4150, AISI 1020, 42CrMo4, 25CrMo4, 34CrNiMo6, 17CrNiMo6-4 20NiCrMo22, 34CrMo4, 30CrNiMo8, 36CrNiMo4, 16CrNiMo12, 40NiCrMo7, 41CrALMo7, 30NiCrMo12, 12CrMo9-10, 18CrMos4, 18CrNiMo7-6, 17CrNiMo6, 16MnCr5, St52-3, S355j2g3, 50CrMo4, 39NiCrMo3, , 20NiCrMo2-2
Stainless Steel Forged Steel Grades
A182-F6a, A182-F6b, A182-F304, A182-F304L, A182-F310, A182-F316, A182-F316L, A182-F317, A182-F317L, A182-F347, AISI 309, AISI 310s, AISI 316Lmod, A182-F48, A182-F321, A182-F347, A182-F348, Nitronic 50, Nitronic 40, Nitronic 60, Nitronic 30, Xm-11, Xm-10, UNS S21800, Alloy 20, 904L, PH13-8Mo, 17-4ph, 15-5ph, 17-7ph, Ph15-7 Mo, 254Smo, Al-6Xn, 654SMO, A182-F44, A182-F45, A182-F51, A182-F53, A182-F60, A182-F55, A182-F62, A182-F52
Nickel alloy and Super ALloy Forging Steel Grades
Nickel 200, Nickel 201, Monel 400, Monel R-405, Monel K-500, Hastelloy C-22, Hastelloy X, Hastelloy C-4, Hastelloy B-2, Hastelloy C-276, Hastelloy C-2000, Hastelloy B, Nimonic 75, Nimonic 90, Nimonic 80A, Nimonic 105, Nimonic 901, Inconel 600, inconel 601, inconel 617, inconel 625, inconel 686, inconel 690, inconel 693, inconel 718, inconel 725, inconel X-750, incoloy 800, incoloy 800H, incoloy 800HT, Incoloy 825, Incoloy 926, Incoloy 890, Incoloy 925, Incoloy 901, Incoloy 945, Incoloy A-286, NI-SPAN-C Alloy 902, MP35N, MP159, Multimet N155, Haynes 230, Haynes 188, Haynes 25, Udimet 500, Rene 41, Waspalloy, Invar 36, Invar 42, Stellite 6B, Kovar alloy,
UNS NO6022, UNS NO6200, UNS No5500, UNS NO6002, UNS N010665, UNS N10276, UNS N10001, UNS N07080, UNS N06600, UNS N06601, UNS NO6625, UNS N06686, UNS N06693, UNS N06690, UNS N07718, UNS N07725, UNS N07750, UNS N08800, UNS N08811, UNS N08810, UNS N08825, UNS N09925, UNS S66286, UNS N07500, UNS K93600
2.4602, 2.4675, 2.4816, 2.4663, 2.4642, 2.4668, 2.4669, 1.4958, 2.4858, 2.4375, 2.4665, 2.4617, 2.4819. 2.4631, 2.4851, 2.4606, 1.4876, 1.4959, 1.4980, 2.4983, 2.4656
Tool And Die Steel Forged Steel Grades
AISI 6F7, AISI A2, AISI O1, AiSI O2, AISI S7, AISI D6, AISI S1, AISI D2, AISI A6, AISI O7, AISI L2, H13, H11, H12, AISI L6, H21, H10, H10A, H19, 314, H19A, P20, P20+Ni, P20+S, S136, 718
SKT6, SKD12, SKD1, SKD2, SKS3, SKS41, SKS95, SKD11, DC53, SKS43, SKD61, SKD6, SKT4, SKD5, SKD7, SKD62, NAK80
1.2767, 1.2363, 1.2510, 1.2080, 1.2436, 1.2542, 1.2379, 1.2824, 1.2550, 1.2509, 1.2210, 1.2344, 1.2606, 1.2782, 1.2678, 1.2889, 1.2605, 1.2343, 1.2714, 1.2581, 1.2365, 1.2779, 1.2661, 1.2083, 1.2311, 1.2312, 1.2738, 1.2316
Luoyang Longda Bearing Co., Ltd. is situated at the city of Luoyang, the ancient capitals of Nine Dynasties, which is specialized in designing, developing producing and selling the large-size, extra-large-size, slewing, non-standard and other special bearings.
With advanced science and technology, the company develops and manufactures various kinds of bearing products with inner diameter of over 100 mm according to the national standard, such as large-size and extra-large-size deep-groove ball bearings, angular contact ball bearings, single, double and four-row cylindrical roller bearings, spherical roller bearings, single, double and four-row tapered roller bearings, spherical ball bearings, thrust ball bearings, thrust roller bearings, slewing bearings, and split bearings. With a trade-mark of LDB, the products are widely used in the fields all over the country, such as port, machine tools, mining, metallurgy, power industry, medical, heavy machinery, coal machinery, cement machinery, petroleum exploration as well as national defence industry. With the right to handle the export, LDB' S products are exported far to some foreign countries and the company has been established a long-term trade-cooperative relations with the customers in India, Korea, Taiwan and other countries and regions.
The company always pays more attention to the quality, each procedure is tracked and monitored and there are quality record and file for each piece of bearing in order to ensure the qualified rate to reach 100%. The satisfactions of the customers are always our goals.
The company insists on the aims of Quality First and Credit First and we sincerely provide better bearings with high quality, best price and service. We are willing to cooperate with friends all over the world and together build a beautiful and bright future.
