Grade 630 Precipitation Hardening Stainless Steel Bar
Standard:ASTM A564 / ASTM A564M
Diameter:6 Mm – 500 Mm
Length:1000 Mm–6000 Mm Or Custom
Surface Finish:Black, Bright, Peeled, Polished, Centerless Ground
Product Introduction
JUDE STEEL is a professional manufacturer and supplier of ASTM A564/A564M 17-4PH Stainless Steel Bar, also known as UNS S17400, Grade 630 Stainless Steel Bar, and 17-4PH Precipitation Hardening Stainless Steel Bar.
We supply round bars, bright bars, forged bars, peeled bars, and centerless ground bars in various diameters and lengths with fast delivery worldwide.
17-4PH Stainless Steel Bar specifications
| Item | Specification |
|---|---|
| Product Name | ASTM A564/A564M 17-4PH Stainless Steel Bar |
| Material Grade | 17-4PH / Grade 630 / UNS S17400 |
| Standard | ASTM A564 / ASTM A564M |
| Product Type | Round Bar, Bright Bar, Forged Bar, Flat Bar, Hex Bar |
| Diameter | 6 mm – 500 mm |
| Length | 1000 mm–6000 mm or Custom |
| Surface | Black, Bright, Peeled, Polished, Centerless Ground |
| Heat Treatment | Solution Annealed, H900, H1025, H1075, H1100, H1150 |
| Certificate | EN 10204 3.1 / MTC |
Chemical Composition Of ASTM A564 17-4PH Round Bar
| Element | Content (%) |
|---|---|
| Cr | 15.0–17.5 |
| Ni | 3.0–5.0 |
| Cu | 3.0–5.0 |
| Nb + Ta | 0.15–0.45 |
| C | ≤0.07 |
| Mn | ≤1.00 |
| Si | ≤1.00 |
| P | ≤0.040 |
| S | ≤0.030 |
| Fe | Balance |
Mechanical Properties Of 17-4PH Precision Ground Bar
| Property | Value |
|---|---|
| Tensile Strength | ≥1310 MPa (H900) |
| Yield Strength | ≥1170 MPa |
| Hardness | 38–44 HRC |
| Elongation | ≥10% |
| Density | 7.75 g/cm³ |
Available Products Of UNS S17400 Bar Stock
We manufacture and supply:
17-4PH Stainless Steel Round Bar
17-4PH Bright Bar
ASTM A564 Round Bar
Grade 630 Stainless Steel Bar
UNS S17400 Round Bar
Forged Stainless Steel Bar
Peeled Stainless Steel Bar
Ground Stainless Steel Bar
Precision Machined Bar
Applications Of ASTM A564 Grade 630 Bar
Our ASTM A564/A564M 17-4PH stainless steel rods are widely used in:
Aerospace structural components
Aircraft landing gear parts
Oil & Gas valves
Pump shafts
Marine equipment
Chemical processing equipment
Food processing machinery
Medical instruments
Nuclear power equipment
High-pressure fasteners
Precision molds
Turbine components
Our production strength
Factory live shots
production workshop
Steel plate production line
Steel coil production line
Steel coil production line
Steel coil production line
Cold rolling workshop
Steel coil production line
FAQ
What is 17-4PH Stainless Steel?
17-4PH is a precipitation hardening martensitic stainless steel offering an excellent combination of high strength, corrosion resistance, and toughness.
Is Grade 630 the same as 17-4PH?
Yes. Grade 630 (SUS630) and 17-4PH refer to equivalent precipitation hardening stainless steel grades under different standards.
What is UNS S17400?
UNS S17400 is the Unified Numbering System designation for 17-4PH stainless steel.
What heat treatment conditions are available?
Common conditions include Solution Annealed, H900, H1025, H1075, H1100, and H1150.
Do you provide custom sizes?
Yes. We supply custom diameters, lengths, machining, cutting, and surface finishing according to customer requirements.
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