| Product Parameters: Stainless Steel rod |
| Material |
17-4PH 630 Precipitation Hardened Steel Bars |
| Specifications |
ASTM A276, ASME SA276 / ASTM A479 ASME SA479 |
| Dimensions |
EN, DIN, JIS, ASTM, BS, ASME, AISI |
| Round Bars |
Outside Diameter in the range of 4mm to 500mm |
| Bright Bars |
Outside Diameter in the range of 4mm to 100mm |
| Hex Bars |
18mm - 57mm (11/16″ to 2-3/4″) |
| Finish |
Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish |
| Length |
1 to 6 Meters, Custom Cut Lengths |
| Form |
Round, Square, Hex (A/F), Rectangle, Billet, Ingot, Forging Etc. |
| Marking & Traceability |
Each Stainless Steel rod is traceable to its producing mill and heat by an identification number etched within 24″ (610mm) of one end. |
| Test Certificate |
Manufacturer Test Certificate according to EN 10204 3.1 B |
| Laboratory Test Certificate from Govt. Approved Lab. |
| Under Third Party Inspection |
| Testing & Inspection |
Visual inspection • Surface roughness measurement • Helium-leak testing • Scanning Electron Microscopy (SEM) • Auger Electron Microscopy (AES) • Election Spectroscopy for Chemical Analysis (ESCA or XPS) • Particle testing • Moisture testing |
Global Leader in Stainless Rod and Round Bar Fabrication Services
Daxun is a renowned global manufacturer of SS 17-4PH/630 Round Bar/Rod range. We are a trusted supplier, exporter, and reputable distributor of high-quality bars and rods.
We provide our customers with an extensive selection of bars and rods in various specifications including surface treatment, end finish, dimensions, shapes, and sizes.
SS 17-4PH is a martensitic stainless steel known for its hardening by precipitation. The alloy incorporates elements like nickel, copper, and chromium. Widely utilized in the aerospace sector, it is essential for fasteners and structural components. UNS S17400 features a microstructure achieved through remelting, enhancing the alloy's toughness.
Stainless Steel 17-4 PH Round Bar is a versatile and highly sought-after material in manufacturing and engineering industries. It offers outstanding corrosion resistance, high strength, and ease of production. The 'PH' in 17-4 PH signifies precipitation hardening, a heat treatment procedure that boosts the material's mechanical properties.
Hot Rolled Stainless Steel Rod
Our stainless steel rods and bars undergo multiple heating and rolling passes in a rolling mill. They meet complete specifications and perform up to the industry's highest standards and requirements.
Cold Drawn Bright Stainless Steel Rods
Cold-drawn stainless steel rods are produced under cold working conditions, yielding a smooth surface that can be polished and ground for a superior finish.
Forged Stainless Steel Rod and Bar
Forged stainless steel rods are repeatedly forged to enhance their mechanical properties and achieve superior strength.
General Properties
Our extensive network of service centers stocks stainless steel bar products for quick, ready supply of common bar sizes and alloys. We also produce custom-sized stainless steel bars. If quantities are below the factory minimum, we can arrange a stocking program for prompt, fast turnaround. Daxun Alloys stocks stainless steel round bars ranging from 1/16" to 26" in diameter, available in nearly every grade, including 302, 303, 304/L, 309/S, 310/S, 316/L, 317/L, 321, 321/H, 347, 347H, 410, 416, 420, 440C, 17-4PH, Duplex 2205, and Alloy 20.
Additional Services
The bulk of our inventory is our specialty processed bar grade: stainless steel round bars, melted to consistent standards for improved machinability and reduced overall cost per part. Our advanced bar processing machinery enables Daxun Alloys to meet precise customer specifications.
1. Daxun offers heat treatments based on the metal's chemistry. 2. Positive Material Identification (PMI): In certain cases, additional PMI testing may be required. Daxun Stainless Steel Products can conduct this test in-house or collaborate with an independent lab. 3. Ultrasonic Testing (UT): This technique utilizes high-frequency sound energy to inspect and measure stainless steel bar products, aiding in defect detection, dimensional measurement, and more.
For more information on stainless steel rods, please contact Daxun.
17-4PH Stainless Steel Rod Chemical Composition
| Carbon |
0.07% (Max) |
| Silicon |
1.00% (Max) |
| Manganese |
1.00% (Max) |
| Phosphorous |
0.040% (Max) |
| Sulfur |
0.030% (Max) |
| Chromium |
15%-17.5% |
| Molybdenum |
0.50% (Max) |
| Nickel |
3%-5% |
| Copper |
3%-5% |
17-4PH Stainless Steel Rod Mechanical Properties
| Material Type |
Condition |
Ultimate Tensile Strength (PSI) |
0.2% Yield Strength (PSI) |
Elongation (% In 2in.) |
Reduction Of Area (%) |
Hardness Brinell |
Hardness Rockwell |
| 17-4 PH |
H900 |
190,000 |
170,000 |
10 |
40 |
388 |
C40 |
| |
H1025 |
155,000 |
145,000 |
12 |
45 |
331 |
C35 |
| |
H1075 |
145,000 |
125,000 |
13 |
45 |
311 |
C32 |
| |
H1150 |
135,000 |
105,000 |
16 |
50 |
277 |
C28 |
| |
H1150-M |
115,000 |
75,000 |
18 |
55 |
255 |
C24 |
| |
H1150-D |
125,000 |
105,000 |
16 |
50 |
255 min - 311 max |
C24 - 33 |
17-4PH Stainless Steel Rod Physical Properties
| Heat Treated Condition |
H900 |
| Density, lbs/in3 |
0.282 |
| Electrical Resistivity, microhm-cm |
77 |
| Specific Heat, BTU/lb/°F (32-212°F) |
0.1 |
| Thermal Conductivity, BTU/hr/ft2/in/°F |
|
| 300°F |
124 |
| 500°F |
135 |
| 860°F |
156 |
| 900°F |
157 |
| Mean Coefficient of Thermal Expansion, in/in/°F |
|
| -100 to 70°F |
5.8 x 10^-6 |
| 70 - 200°F |
6.0 x 10^-6 |
| 70 - 400°F |
6.0 x 10^-6 |
| 70 - 600°F |
6.3 x 10^-6 |
| 70 - 800°F |
6.5 x 10^-6 |
| 70 - 900°F |
- |
| Modulus of Elasticity, ksi |
28.5 x 10^3 |
| Modulus of Rigidity, ksi |
11.2 x 10^3 |
| Poisson's Ratio (all conditions) |
0.272 |
Daxun's Stainless Steel Rods Manufacturing Capabilities
Our forming capabilities feature state-of-the-art radial forging machines, heat treatment furnaces, melting furnaces, and rolling mills for manufacturing titanium rods, alongside a unique hydroforming process for creating parts.
Daxun's Heat Treatment Furnace
Stainless steel rod heat treatment at Jiangsu Daxun Alloy Co., Ltd. employs state-of-the-art heat treatment furnace technology, ensuring unmatched stability and superior performance of the material.
Superior Smelting Capabilities of Daxun
Jiangsu Daxun Stainless Steel leverages the world's most advanced vacuum induction furnaces, vacuum consumable furnaces, and electroslag furnaces. This cutting-edge technology significantly reduces impurities during the smelting process, resulting in superior performance and exceptional quality of our finished stainless steel rods.
Allow us to be your most reliable partner in stainless steel rod supply
Our premium stainless steel products are not only fully certified but also traceable, ensuring the highest standards of quality. We are proud to supply top-tier stainless steel to a diverse range of leading industries, including aerospace, industrial, medical, marine, and military sectors.
In-depth mechanical properties of various grades of stainless steel bars
| |
Tensile Strength |
Yield Strength |
|
|
|
|
|
|
| Alloy |
UNS Designation |
Spec. |
psi |
MPa |
ksi |
psi |
MPa |
ksi |
Elongation in 2 inches (min.) % |
Grain Size Req. |
Max. Hardness |
Modulus of Elasticity (x106 psi) |
| 304 |
S30400 |
A249, A312 |
75,000 |
515 |
75 |
30,000 |
205 |
30 |
35 |
- |
90 Rb |
28 |
| 304L |
S30403 |
A270 A312 |
70,000 |
485 |
70 |
25,000 |
170 |
25 |
35 |
- |
90 Rb |
28 |
| 304LN |
S30453 |
A249, A688 |
75,000 |
515 |
75 |
30,000 |
205 |
30 |
35 |
- |
90 Rb |
28 |
| 304H |
A30409 |
A249, A312 |
75,000 |
515 |
75 |
30,000 |
205 |
30 |
35 |
7 or coarser |
90 Rb |
28 |
| The Mechanical Properties of grade 316L Stainless Steel are displayed in the following table. |
| Grade |
Tensile Str |
Yield Str |
Elong |
Hardness |
| (MPa) min |
0.2% Proof |
(% in 50mm) min |
| |
(MPa) min |
|
Rockwell B (HR B) max |
Brinell (HB) max |
| 316 |
515 |
205 |
40 |
95 |
217 |
| 316L |
485 |
170 |
40 |
95 |
217 |
| 316H |
515 |
205 |
40 |
95 |
217 |
| |
Tensile Strength |
Yield Strength |
|
|
|
| Alloy |
UNS Designation |
Spec. |
psi |
MPa |
ksi |
psi |
MPa |
ksi |
Elongation in 2 inches (min.) % |
| 321 |
S32100 |
- |
75,000 |
515 |
- |
30,000 |
205 |
- |
35 |
| 321H |
S32109 |
- |
75,000 |
515 |
- |
30,000 |
205 |
- |
35 |
| Grade |
Density |
Melting Point |
Tensile Strength |
Yield Strength (0.2%Offset) |
Elongation |
| 310S |
7.9 g/cm3 |
1402 °C (2555 °F) |
Psi - 75000 , MPa - 515 |
Psi - 30000 , MPa - 205 |
40% |
| Grade |
Tensile Strength |
Yield Strength |
Elongation |
Hardness |
| (MPa) min |
0.2% Proof |
(% in 50mm) min |
| |
(MPa) min |
|
Rockwell C (HR C) |
Brinell (HB) |
| UNS S31803 / 2205 |
621 |
448 |
25 |
31 max |
293 max |
| UNS S32205 / 2205 |
621 |
448 |
25 |
31 max |
293 max |
| Grade |
Property |
Value |
2507/
S32750 |
Density (g/cm3) |
7.8 |
| 0.2% Offset Yield Strength |
80 ksi |
| Ultimate Tensile Strength |
116 ksi |
| 0.1% Offset Yield Strength 0.2% |
91 ksi |
| Elongation in 2 inches, % |
15% |
| Hardness Rockwell C |
32 |
| Impact Energy |
74 ft.-lbs |
| Density |
0.28 lb per inch3 |
| Modulus of elasticity |
28 x 10(6) psi |
| Coefficient of thermal expansion |
7.2 x 10(-6) per of at 68 to 212 of |
| Thermal conductivity |
8.7 Btu/hr ftoF |
| Heat capacity |
0.12 Btu/ lb oF |
| Electrical resistivity |
31.5 x10(-6) ohm-inch |
For further details on our superior stainless steel rods, please get in touch with Daxun
CORROSION RESISTANCE:
- POSCO 17-4 pH Stainless Steel Round Rod offers superior resistance to corrosion, outperforming standard hardenable stainless steels.
- Its corrosion resistance is comparable to Alloy 304 in most environments.
- The alloy exhibits strong corrosion resistance in various chemical, petroleum, dairy, and food processing industries.
- However, it may be susceptible to crevice or pitting attack if exposed to stagnant seawater for extended periods.
WELDABILITY:
- It can be effectively welded using most common fusion and resistance welding techniques.
- Oxyacetylene welding is not recommended for this material.
- Generally, no pre-heating is required before welding.
- Ensure that the inter-pass temperature does not exceed 248°F.
- Optimal toughness in the weld can be achieved by performing a complete heat treatment post-welding.
ELEVATED TEMPERATURE USE:
- This alloy exhibits excellent oxidation resistance up to approximately 1100°F.
- Prolonged exposure to high temperatures may reduce toughness in the precipitation-hardened conditions.
PROCESSING - HOT FORMING:
- For forging, heat uniformly to 2150-2200°F and hold for half an hour per inch of thickness.
- The preferred temperature range for hot forming is between 650-900°F, while the material remains austenitic.
- To ensure optimal hardening, re-heat treat the forgings at 1875-1925°F.
- Cool the forgings to below 90°F to achieve grain refinement.
PROCESSING - COLD FORMING:
- Alloy 17-4 is best suited for mild cold forming operations as it is hard in the annealed (solution treated) state.
- For more severe cold working, heat treat the material to condition H1150 to avoid cracking.
- A bend radius greater than 7 times the material thickness (7T) is often required.
- Post-cold forming, re-aging at the precipitation-hardening temperature is advised to enhance stress corrosion resistance.
MACHINABILITY:
- This alloy can be machined in both its solution-treated and precipitation-hardened conditions.
Mechanical Properties
- Type 17-4PH stainless steel boasts outstanding mechanical properties, making it ideal for applications requiring high strength, hardness, and corrosion resistance. It is also more cost-effective compared to many high-nickel, non-ferrous alloys.
17-4ph/630 Grade Stainless Steel Round Bars
17-4PH stainless steel round bars are versatile and widely used across various industries, from construction to automotive parts. Jiangsu Daxun Alloy Co., Ltd. offers these bars in multiple grades and sizes. With our advanced and precise cutting service, we ensure your specifications are met with unparalleled accuracy every time.
Can you manufacture stainless steel grinding bars & rods?
Absolutely, we specialize in producing stainless steel grinding bars & rods that boast precise dimensions, impeccable roundness, and unparalleled straightness. These qualities surpass those of regular stainless steel polished bars, though the processing costs are higher.
Q1: What range of products do you offer?
A: We provide a wide array of steel types, including 310S, 316L, 304, 304L, 201, 904L, 316H, 316, 316L, and the 300 series.
Additionally, our portfolio includes 400 series and duplex stainless steels such as 2205, 2304, 2101, and 2507, as well as high-nickel alloys like 904L, 800H, and 600H.
Q2: Can you manufacture products based on my custom drawings?
Yes, we can produce products tailored to your drawings, ensuring your utmost satisfaction.
Q3: How does your factory ensure quality control?
Quality is our top priority. We consistently emphasize stringent quality control measures from the start to the end of the production process.
Q4: Is it possible to modify the packaging and transportation methods?
Yes, we can adjust the packaging and transportation methods to meet your requests,
however, you would need to cover any additional costs and differences incurred during this period.
Q5: How does your factory ensure quality control?
Quality remains our top priority. We enforce rigorous quality control from the very beginning to the very end.
Q6: What is the typical delivery time?
A: It typically ranges between 7 to 20 working days after payment confirmation.
For urgent orders, we prioritize and expedite the production process in our workshop.
Q7: What are your payment terms?
A: We accept 100% T/T in advance or Western Union for small orders,
B: 30% T/T in advance with the remaining 70% due before shipment,
C: 100% Irrevocable LC at sight for large orders.
Q8: Can you produce DDQ (Deep Drawing Quality) materials?
A: Yes, we do. Our materials are suitable for crafting stainless steel pots, sinks, bowls, etc. Inform us of your specific application, and we will tailor the mechanical properties to meet your requirements.
Q9: How can I obtain a sample?
A: We offer FREE samples for your inspection and testing. For small pieces, we may cover the courier cost, depending on the circumstances.
Q10: Which countries have you exported to?
A: We have successfully exported our stainless steel materials to various countries, including Vietnam, Thailand, Turkey, Russia, Morocco, Korea, India, Pakistan, UAE, Ukraine, and others.
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