JIANGSU MITTEL STEEL INDUSTRIAL LIMITED
| Model NO. | 17-4PH |
| Shape | Round |
| Technique | Hot Rolled |
| Surface Treatment | Bright |
| Specification | OD 6-300mm |
| Diameter | 8 - 450mm |
| Length | 6m /pcs |
| 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 |
| Tensile Strength | 1105-1310 MPa |
| Yield Strength | 724-1170 MPa |
| Elongation | 10-16% |
| Hardness | 28-44 HRC |
| Density | 7750 kg/m³ |
| Thermal Conductivity | 18.4-22.7 W/m.K |
| Electrical Resistivity | 800 nΩ.m |
| Certification | ISO, AISI, ASTM, EN, DIN, JIS |
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Product Specification
| Model NO. | 17-4PH | Shape | Round |
| Technique | Hot Rolled | Surface Treatment | Bright |
| Specification | OD 6-300mm | Diameter | 8 - 450mm |
| Length | 6m /pcs | 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 |
| Tensile Strength | 1105-1310 MPa | Yield Strength | 724-1170 MPa |
| Elongation | 10-16% | Hardness | 28-44 HRC |
| Density | 7750 kg/m³ | Thermal Conductivity | 18.4-22.7 W/m.K |
| Electrical Resistivity | 800 nΩ.m | Certification | ISO, AISI, ASTM, EN, DIN, JIS |
| High Light | Hot Rolled Stainless Steel Round Bar ，Bright Surface 17-4PH Stainless Steel Bar ，OD 6-300mm Type 630 Stainless Steel Bar | ||
17-4PH Precipitation Hardening Stainless Steel (Type 630) is a chromium-copper precipitation hardening stainless steel designed for applications requiring high strength and moderate corrosion resistance. This material maintains high strength up to approximately 600°F (316°C).
| Product | 17-4PH Stainless Steel Round Bar |
| Standard | ASTM, GB, DIN, EN |
| Diameter | 8 - 450mm |
| Length | 6m per piece or custom cutting available |
| Finishing | Black Bar / Bright Bar |
| Available Grades | 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 |
| Services | Cutting, surface polishing, heat treatment |
| Brand | Walsin, BAOSTEEL, TISCO, QINGSHAN |
Alloy 17-4 PH is a precipitation hardening martensitic stainless steel with copper and niobium additions. This grade combines high strength, hardness (up to 572°F/300°C), and corrosion resistance. Mechanical properties can be optimized through heat treatment, achieving very high yield strength up to 1100-1300 MPa (160-190 ksi).
| Element | Content (%) |
|---|---|
| C | ≤ 0.07 |
| Mn | ≤ 1.00 |
| Si | ≤ 1.00 |
| P | ≤ 0.04 |
| S | ≤ 0.030 |
| Cr | 15.00 - 17.50 |
| Ni | 3.00 - 5.00 |
| Cu | 3.00 - 5.00 |
| Nb+Ta | 0.15 - 0.45 |
| Condition | Tensile Strength (MPa) | Yield Strength 0.2% Proof (MPa) | Elongation (% in 50mm) | Hardness Rockwell C (HRC) |
|---|---|---|---|---|
| Solution Treated | 1105 (typical) | 1000 (typical) | 15 (typical) | 38 max |
| Condition 900 | 1310 min | 1170 min | 10 min | 40 min |
| Condition 1150 | 930 min | 724 min | 16 min | 28 min |
| Property | Value |
|---|---|
| Density | 7750 kg/m³ |
| Thermal Conductivity at 100°C | 18.4 W/m·K |
| Thermal Conductivity at 500°C | 22.7 W/m·K |
| Specific Heat (0-100°C) | 460 J/kg·K |
| Electrical Resistivity | 800 nΩ·m |
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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