TSING SHAN STEEL INDUSTRIAL LIMITED
| Shape | Round |
| Technique | Hot Rolled |
| Surface Treatment | Bright |
| Diameter Range | 8 - 450mm |
| Length | 6m /pcs or cutting as request |
| Main Grades | 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 MPa (typ) |
| Yield Strength | 1000 MPa (typ) |
| Elongation | 15% (typ) |
| Hardness | 38 max (Rockwell C) |
| Density | 7750 kg/m³ |
| Thermal Conductivity | 18.4 W/m.K (at 100°C) |
| Specific Heat | 460 J/kg.K (0-100°C) |
| Electrical Resistivity | 800 nΩ.m |
| Certification | ISO, AISI, ASTM, EN, DIN, JIS |
| Model Number | 17-4PH/630 |
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Product Specification
| Shape | Round | Technique | Hot Rolled |
| Surface Treatment | Bright | Diameter Range | 8 - 450mm |
| Length | 6m /pcs or cutting as request | Main Grades | 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 MPa (typ) | Yield Strength | 1000 MPa (typ) |
| Elongation | 15% (typ) | Hardness | 38 max (Rockwell C) |
| Density | 7750 kg/m³ | Thermal Conductivity | 18.4 W/m.K (at 100°C) |
| Specific Heat | 460 J/kg.K (0-100°C) | Electrical Resistivity | 800 nΩ.m |
| Certification | ISO, AISI, ASTM, EN, DIN, JIS | Model Number | 17-4PH/630 |
| High Light | Hot Rolled Stainless Steel Round Bar ，Bright Surface 17-4PH Stainless Steel Bar ，OD 6-300mm Alloy 630 Round 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).
| Products | 17-4PH Stainless Steel Round Bar |
| Standard | ASTM GB DIN EN |
| Diameter | 8 - 450mm |
| Length | 6m /pcs or cutting as request |
| Finishing | black bar / Bright Bar |
| Main 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.etc |
| Service | Cutting, surface polishing, heat treatment |
| Brand | Walsin BAOSTEEL TISCO QINGSHAN |
Alloy 17-4 PH is a precipitation hardening martensitic stainless steel with Cu and Nb/Cb additions. This grade combines high strength, hardness (up to 572°F / 300°C), and corrosion resistance. Mechanical properties can be optimized with heat treatment, achieving very high yield strength up to 1100-1300 MPa (160-190 ksi).
| Element | Content (%) |
|---|---|
| C | 0.07 max |
| Mn | 1.0 max |
| Si | 1.0 max |
| P | 0.04 max |
| S | 0.030 max |
| Cr | 15.0 - 17.5 |
| Ni | 3.0 - 5.0 |
| Cu | 3.0 - 5.0 |
| Nb+Ta | 0.15 - 0.45 |
| Condition | Tensile Strength (MPa) | Yield Strength 0.2% Proof (MPa) | Elongation (% in 50mm) | Hardness Rockwell C (HR C) |
|---|---|---|---|---|
| Solution Treated | 1105 typ | 1000 typ | 15 typ | 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 |
Alloy 17-4 PH withstands corrosive attacks better than standard hardenable stainless steels and is comparable to Alloy 304 in most media. For stress corrosion cracking risks, higher aging temperatures above 1022°F (550°C) are recommended.
Solution treatment (Condition A): Heated at 1040°C for 0.5 h, then air-cooled to 30°C. Small sections can be oil quenched.
Hardening: Age-hardened at low temperatures to achieve required mechanical properties with typical shrinkage of 0.10% for condition H1150 and 0.05% for condition H900.
Welding: Can be welded using all conventional methods without pre-heating. Care should be taken in designing and welding high strength steels to prevent weldment stresses.
Machining: Can be machined in solution-treated condition with machining rates similar to grade 304 steels.
Company Details
Business Type:
Manufacturer
Year Established:
2012
Total Annual:
500,000,000-800,000,000
Employee Number:
100~200
Ecer Certification：
Verified Supplier
Company Overview ： The company has an indoor warehouse of 5000 square meters and an open warehouse of 4000 square meters, which can fully meet the temporary turnover and phased storage of customers' steel pipe reservation. The subordinate processing plant has 6 sets of medium frequency h... Company Overview ： The company has an indoor warehouse of 5000 square meters and an open warehouse of 4000 square meters, which can fully meet the temporary turnover and phased storage of customers' steel pipe reservation. The subordinate processing plant has 6 sets of medium frequency h...
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