Zhangjiagang Guangda Special Material Co., Ltd.
Leading manufacturer of advanced materials and products for high-end equipment
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17-4PH , 15-5PH , 17-7PH Stainless Steel Bar Precipitation-Hardening Stainless Steel
Precipitation-hardening stainless steel is in stainless steel stainless steel by single or compound hardening elements, for high strength, high toughness, high corrosion resistance, oxidation resistance and excellent formability, weldability and other comprehensive performance. High strength alloy material, and with special technology processing.
Guangda through a special process to optimize the service life of the stainless steel valve box products up to 500 hours has wear-resisting, corrosion resistance, impact resistant material, greatly prolong the service life of the product, improve the stability of the product.
Special alloy steel Product features
| Material | 15-5PH,17-4PH,17-7PH |
| Type | Forged bar ,round ,square, flat, block, shaft etc. |
| Diameter | φ150-1500mm |
| Length | Max 10000mm (10m) |
| Surface | Black, peeled, polishing, bright, sand blast, hair line, etc. |
| Application | hydraulic value manifold block , instrument manifold valves , oil&gas manifold valves , piston value , Oil and gas equipment forgings , Oil block, hydraulic oil block, hydraulic pump station oil block, valve block |
| Tensile strength test | DIN EN ISO 6892-1 |
| Impact test | DIN EN ISO 148-1 |
| UT | DIN EN10228 Quality-Class 3 C/c or D/d |
| Grain size | ASTM E112 / EN ISO 643 |
| Applicable standard | EN10250,EN10083,SEW550 etc |
| Certificate | EN 10204 / 3.1 3.2 |
Special alloy steel 17-4PH , 15-5PH , 17-7PH Chemical Compostion
| Grade | Fe | Cr | Ni | Cu | Mn | Si | Nb | C | Mo |
| 15-5PH | Balance | 14.00-15.50 | 3.50-5.50 | 2.50-4.50 | max 1.00 | max 1.00 | max0.45 | max0.07 | max0.05 |
| Grade | C | Mn | P | S | Si | Cr | Ni | Cu | Nb,Ta |
| 17-4PH | max 0.07 | max 1.0 | max 0.04 | max 0.03 | max 1.0 | 15.0-17.5 | 3.0-5.0 | 3.0-5.0 | 0.15-0.45 |
| Grade | C | Mn | Si | P | S | Cr | Ni | Al |
| 17-7PH | max 0.09 | max 1.0 | max 1.00 | max 0.04 | max 0.03 | 16.0-18.0 | 6.50-7.75 | 0.75-1.50 |
Special alloy steel 17-4PH , 15-5PH , 17-7PH application
Special alloy steel core advantage completed line
| 1 | Smelting line & Special smelting line | Smelting capacity 500,000.00 ton/year |
| 2 | Heat treatment line | Annealing,Normalizing,Tempering ,QT, Nitriding , Carburize ,Case-hardening etc |
| 3 | Forging line | 5000ton,4500ton,4000ton,3600ton,2000ton,1000ton of different forging press machine. |
| 4 | Casting capacity | Intelligent casting production line ,work piece max 200ton . |
| 5 | Rough machining | Turning, milling, boring different kinds of the rough machining equipment more than 100 sets |
| 6 | Precision machining | Grinding finished machininGGear shaping ,gear hobbing, gear grinding etc. |
| 7 | Surface treatment | Advanced coating facilities such as high-pressure cleaning, sand blasting and thermal spraying. Complete surface treatment capability. |
About Guangda Group
Zhangjiagang Guangda Special Material Co.,Ltd was established in 2003, is one of the forging manufacturer for research and development, production, sales, service as one of the comprehensive company. We located in Jiangsu Province besides Shanghai. We provide different forgings of shaft ,gear blank , ring rolling, rough machining, heat treatment and finish machining. Our annual production capacity is 500,000 tons for various of free-die forgings, ring rollings .
We are qualified by the classifications such as PED,DNV, BV, Rina, ISO, GL, ABS, LR .Act as the high-tech enterprises with high-quality special alloy materials as the core business belong to the "advanced iron and steel materials" industry under the strategic emerging industries supported by the state.
There are two major product systems of alloy materials and alloy products:The alloy materials include high quality gear steel, high quality die steel, special stainless steel, high temperature alloy, ultra-high strength steel and other new material products encouraged by the state; Alloy products mainly include wind power equipment, rail transit and various precision mechanical parts made of alloy materials.
Guangda forgings are widely used in high-end equipment manufacturing industries such as new energy wind power, rail transit, mechanical equipment, aerospace, new energy power, gas turbine, Marine petrochemical, semiconductor chip equipment and so on.
Keywords
hydraulic value manifold block , instrument manifold valves , oil&gas manifold valves , piston value ,
Oil and gas equipment forgings , Oil block, hydraulic oil block, hydraulic pump station oil block, valve block