JIANGSU MITTEL STEEL INDUSTRIAL LIMITED
| Payment Terms | L/C, T/T, Western Union |
| Supply Ability | 20Ton per week |
| Delivery Time | 5 - 12 days based on the quantity |
| Packaging Details | standard packing for export |
| Shape | Stainless Steel round bar |
| Standard | ASTM EN GB JIS |
| Grade | 17-4ph |
| Application | Construction,Industry,surgical tools,seawater equipment.,kitchenware |
| Length | Customers' Requirements,5.8m,6m,2m-6m,or as required |
| Size | custom as request |
| Packing | Standard Seaworthy Package,In wooden cases(for FCL/ LCL shipment) |
| Service | Cutting, surface finishing |
| Brand Name | DELTA |
| Model Number | 17-4ph |
| Certification | ISO |
| Place of Origin | China |
View Detail Information
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Product Specification
| Payment Terms | L/C, T/T, Western Union | Supply Ability | 20Ton per week |
| Delivery Time | 5 - 12 days based on the quantity | Packaging Details | standard packing for export |
| Shape | Stainless Steel round bar | Standard | ASTM EN GB JIS |
| Grade | 17-4ph | Application | Construction,Industry,surgical tools,seawater equipment.,kitchenware |
| Length | Customers' Requirements,5.8m,6m,2m-6m,or as required | Size | custom as request |
| Packing | Standard Seaworthy Package,In wooden cases(for FCL/ LCL shipment) | Service | Cutting, surface finishing |
| Brand Name | DELTA | Model Number | 17-4ph |
| Certification | ISO | Place of Origin | China |
| High Light | Bright Polished Stainless Steel Round Bar ，A276 Stainless Steel Round Bar ，17-4PH Stainless Steel Round Bar | ||
Bright Polished 17-4PH Stainless Steel Round Bar / Stainless Steel Shaft AISI630 ASTM A276
Specification of our Stainless Steel Bar
| Products | 17-4PH Stainless Steel Round Bar |
| Standard | ASTM GB DIN EN |
| Diameter | 8 - 450mm |
| Length | 6m /pcs or cutting as request |
| Finshing | black bar / Bright Bar |
| Main Grade | 201 301 303Cu 304 304L 309S 310S 316L 316Ti 317L 318 321 347 410 420 430 431 440a/b/c 904L 2205 2507 Hastelloy C276 C4 C22 Inconel 600 625 Incoloy 800 825 825H.etc |
| Service | Cutting, surface polishing , heat treatment |
| Brand | Walsin BAOSTEEL TISCO QINGSHAN |
17-4PH Stainless Steel
17-4 Precipitation Hardening also known as Type 630 is a chromium-copper precipitation hardening stainless steel used for applications requiring high strength and a moderate level of corrosion resistance. High strength is maintained to approximately 600 degrees Fahrenheit (316 degrees Celsius).
General Properties
Alloy 17-4 PH is a precipitation hardening martensitic stainless steel with Cu and Nb/Cb additions. The grade combines high strength, hardness (up to 572°F / 300°C), and corrosion resistance.
Mechanical properties can be optimized with heat treatment. Very high yield strength up to 1100-1300 MPa (160-190 ksi) can be achieved.
The grade should not be used at temperatures above 572°F (300°C) or at very low temperatures. It has adequate resistance to atmospheric corrosion or in diluted acids or salts where its corrosion resistance is equivalent to Alloy 304 or 430.
| Applications | Standards |
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Corrosion Resistance
Alloy 17-4 PH withstands corrosive attacks better than any of the standard hardenable stainless steels and is comparable to Alloy 304 in most media.
If there are potential risks of stress corrosion cracking, the higher aging temperatures then must be selected over 1022°F (550°C), preferably 1094°F (590°C). 1022°F (550°C) is the optimum tempering temperature in chloride media.
1094°F (590°C) is the optimum tempering temperature in H2S media.
The alloy is subject to crevice or pitting attack if exposed to stagnant seawater for any length of time.
It is corrosion resistant in some chemical, petroleum, paper, dairy and food processing industries (equivalent to 304L grade).
If you would like to know more about 17-4PH stainless steel then click 17-4PH Technical Data.
The properties mentioned below pertain to commonly available grade 630 bar products in ASTM A564. The specifications may not be similar to other forms such as forgings and plates.
The compositional ranges of grade 630 stainless steels are displayed below:
| Grade | C | Mn | Si | P | S | Cr | Ni | Cu | Nb+Ta | |
| 630 | min. max | - 0.07 | - 1 | - 1 | - 0.04 | - 0.030 | 15 17.5 | 3 5 | 3 5 | 0.15 0.45 |
| Material | Condition | Ultimate Tensile Strength (ksi) | 0.2 % Yield Strength (ksi) | Elongation % in 2D | % Reduction of Area | Rockwell C Hardness |
| Alloy 17-4PH Bar AMS 5643 | Cond A | - | - | - | - | 363 HB max |
| Alloy 17-4PH Bar AMS 5643 | H900 | 190 | 170 | 10 | 40 | 388-444 |
| Alloy 17-4PH Bar AMS 5643 | H925 | 170 | 155 | 10 | 44 | 375-429 |
| Alloy 17-4PH Bar AMS 5643 | H1025 | 155 | 145 | 12 | 45 | 331-401 |
| Alloy 17-4PH Bar AMS 5643 | H1075 | 145 | 125 | 13 | 44 | 311-375 |
| Alloy 17-4PH Bar AMS 5643 | H1100 | 140 | 115 | 14 | 45 | 302-363 |
| Alloy 17-4PH Bar AMS 5643 | H1150 | 135 | 105 | 16 | 50 | 277-352 |
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter
Total Annual:
>1000000
Employee Number:
>100
Ecer Certification：
Verified Supplier
Our company is located in Wuxi City, China, we are a stainless steel plate, seamless steel pipe, round steel, steel belt, decorative pipe and other products distribution wholesale private enterprise. Our company operates stainless steel plate, seamless steel pipe, round steel, steel belt, decorative... Our company is located in Wuxi City, China, we are a stainless steel plate, seamless steel pipe, round steel, steel belt, decorative pipe and other products distribution wholesale private enterprise. Our company operates stainless steel plate, seamless steel pipe, round steel, steel belt, decorative...
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