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{"title":"17-4PH Stainless Steel Bar (Grade 630) for Oil & Gas Industry","imgUrl":"https:\/\/img.chinax.com\/nimg\/5b\/e0\/7d814a4b2bd7c076fa4117f28f2f-200x200-1\/17_4ph_stainless_steel_bar_28grade_630_29_for_oil_26amp_3b_gas_industry.jpg","attrs":{"Brand Name":"Zhonggong Special Metallurgy","Model Number":"17-4PH stainless steel","Certification":"ISO Certificate","Place of Origin":"China"}}
{"title":"Cylindrical 316LN Stainless Steel Rod UNS S31653 Bar Corrosion Resistant","imgUrl":"https:\/\/img.chinax.com\/nimg\/b9\/9c\/1eebe327ea25809b6be4a1017b28-200x200-1\/cylindrical_316ln_stainless_steel_rod_uns_s31653_bar_corrosion_resistant.jpg","attrs":{"Model Number":"316LN","Brand Name":"Zhonggong Special Metallurgy","Place of Origin":"China","Minimum Order Quantity":"100KG"}}
{"title":"7.80g\/cm3 Precipitation Hardened Stainless Steel 630 For Oil \/ Gas Industry","imgUrl":"https:\/\/img.chinax.com\/nimg\/7a\/3c\/c82e097afa9ee4426503df485d6c-200x200-1\/7_80g_2fcm3_precipitation_hardened_stainless_steel_630_for_oil_2f_gas_industry.jpg","attrs":{"Model Number":"17-4PH stainless steel","Brand Name":"Zhonggong Special Metallurgy","Place of Origin":"China","Minimum Order Quantity":"100KG"}}
{"title":"430 Stainless Steel Rod S43000 Heat Resistant Fatigue Light Rod \/ Round Steel","imgUrl":"https:\/\/img.chinax.com\/nimg\/d5\/05\/64f20a7e1cad6e593caba3f64f70-200x200-1\/430_stainless_steel_rod_s43000_heat_resistant_fatigue_light_rod_2f_round_steel_rod.jpg","attrs":{"Model Number":"Stainless iron","Brand Name":"Zhonggong Special Metallurgy","Place of Origin":"China","Minimum Order Quantity":"100KG"}}
{"title":"440c Martensitic Stainless Steel Round Bar High Carbon AISI 440c Bar Bright Bar","imgUrl":"https:\/\/img.chinax.com\/nimg\/4f\/e3\/e1272b562027f133f5e87d4d0178-200x200-1\/440c_martensitic_stainless_steel_round_bar_high_carbon_aisi_440c_bar_bright_bar.jpg","attrs":{"Brand Name":"Zhonggong Special Metallurgy","Model Number":"440c Martensitic Stainless Steel","Place of Origin":"China","Minimum Order Quantity":"100KG"}}
{"title":"Wear Resistant 440C Stainless Steel Hot Rolled \/ Cold Drawn Rod","imgUrl":"https:\/\/img.chinax.com\/nimg\/36\/66\/41e48f323b65106d67d46d12fe32-200x200-1\/wear_resistant_440c_stainless_steel_hot_rolled_2f_cold_drawn_rod.jpg","attrs":{"Brand Name":"Zhonggong Special Metallurgy","Model Number":"440C Stainless Steel","Place of Origin":"China","Minimum Order Quantity":"100KG"}}
{"title":"UNS S20910 Austenitic Stainless Steel Rod 1.3964 Light Rod Corrosion Resistant","imgUrl":"https:\/\/img.chinax.com\/nimg\/1b\/35\/b8e4bfdfede4463e4154f6ebb73f-200x200-1\/uns_s20910_austenitic_stainless_steel_rod_1_3964_light_rod_corrosion_resistant.jpg","attrs":{"Brand Name":"Zhonggong Special Metallurgy","Model Number":"UNS S20910 austenitic","Place of Origin":"China","Minimum Order Quantity":"100KG"}}
High-Strength 17-4PH Precipitation-Hardened Stainless Steel Bar (Grade 630)
Introduction: 17-4PH stainless steel offers excellent corrosion resistance, good mechanical properties, and heat treatability. It features exceptional resistance to chloride stress corrosion cracking, especially in chloride environments. Its composition—iron, chromium, nickel, copper, and molybdenum, with minor carbon and niobium—ensures reliable mechanical properties and stability in high-temperature and highly corrosive environments.
Key Characteristics:
High Strength: Achieves tensile strengths ~1100 MPa via heat treatment (e.g., under H1150: solution treatment + low-temperature aging).
Corrosion Resistance: Superior to many stainless steels, particularly in specific chemical and climatic environments.
Heat Treatability: Properties are adjustable through solution treatment and aging for enhanced strength or corrosion resistance.
Grindability: Maintains good surface finish post-heat treatment for precision applications.
Weldability: Good with controlled heat treatment and proper welding methods.
Applications: Widely used in demanding aerospace, petrochemical, and medical device applications due to its optimal balance of strength, hardness, corrosion resistance, and heat treatability.
17-4PH: Primary Application Fields
Aerospace: Aircraft components, engine parts, and aerospace structural elements (leveraging high strength-to-weight ratio).
Oil & Gas: Valves, pump components, and downhole equipment for harsh extraction environments (utilizing superior corrosion resistance).
Medical Devices: Surgical instruments, orthopedic implants, and forceps (requiring biocompatibility and corrosion resistance).
Marine Engineering: Seawater-resistant components for offshore platforms, vessels, and diving gear (demanding high strength and corrosion resistance).
Automotive: Engine, transmission, and suspension components (enhancing strength and wear resistance).
Military: Critical weapon system components, including fire control systems and missile parts (requiring high strength and reliability).
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Distributor/Wholesaler,Agent,Importer,Exporter,Other,Seller,Trading Company
Year Established:
2010
Total Annual:
1000000-1500000
Employee Number:
100~200
Ecer Certification:
Active Member
Main Products
stainless steel series 304, 304L, 321, 316L, 317L, 309s, 310s,904L,410, 420, 430, 441, 409, 436, 441, 439, 630,etc.
Duplex stainless steel series 2205, 2507,etc.
HastelloyC-276, B-2, C-2000,etc.
Nickel-based alloy series Inconel625, 718, Incoloy825, 800H, Monel400,etc.
Superalloy s... Main Products
stainless steel series 304, 304L, 321, 316L, 317L, 309s, 310s,904L,410, 420, 430, 441, 409, 436, 441, 439, 630,etc.
Duplex stainless steel series 2205, 2507,etc.
HastelloyC-276, B-2, C-2000,etc.
Nickel-based alloy series Inconel625, 718, Incoloy825, 800H, Monel400,etc.
Superalloy s...