TSING SHAN STEEL INDUSTRIAL LIMITED
| Model NO. | 630 |
| Shape | Round |
| Technique | Hot Rolled |
| Surface Treatment | Bright |
| Specification | OD 6-300mm |
| Production Capacity | 50000kgs |
| Tensile Strength | 1105-1310 MPa |
| Yield Strength | 1000-1170 MPa |
| Elongation | 10-16% |
| Hardness | 28-44 HRC |
| Density | 7750 kg/m³ |
| Thermal Conductivity | 18.4-22.7 W/m.K |
| Specific Heat | 460 J/kg.K |
| Electrical Resistivity | 800 nΩ.m |
| Maximum Temperature | 600°F (316°C) |
| Certification | ISO, AISI, ASTM, EN, DIN, JIS |
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Product Specification
| Model NO. | 630 | Shape | Round |
| Technique | Hot Rolled | Surface Treatment | Bright |
| Specification | OD 6-300mm | Production Capacity | 50000kgs |
| Tensile Strength | 1105-1310 MPa | Yield Strength | 1000-1170 MPa |
| Elongation | 10-16% | Hardness | 28-44 HRC |
| Density | 7750 kg/m³ | Thermal Conductivity | 18.4-22.7 W/m.K |
| Specific Heat | 460 J/kg.K | Electrical Resistivity | 800 nΩ.m |
| Maximum Temperature | 600°F (316°C) | Certification | ISO, AISI, ASTM, EN, DIN, JIS |
| High Light | Hot Rolled Stainless Steel Round Bar ，Bright Surface AISI 630 Round Bar ，OD 6-300mm 17-4PH Stainless Steel Bar | ||
17-4 Precipitation Hardening (Type 630) is a chromium-copper precipitation hardening stainless steel designed for applications requiring high strength and moderate corrosion resistance. This alloy maintains high strength up to approximately 600°F (316°C).
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 excellent corrosion resistance. Mechanical properties can be optimized through heat treatment, achieving very high yield strength up to 1100-1300 MPa (160-190 ksi).
Note: This grade should not be used at temperatures above 572°F (300°C) or at very low temperatures.
| Element | Min (%) | Max (%) |
|---|---|---|
| Carbon (C) | - | 0.07 |
| Manganese (Mn) | - | 1.00 |
| Silicon (Si) | - | 1.00 |
| Phosphorus (P) | - | 0.04 |
| Sulfur (S) | - | 0.030 |
| Chromium (Cr) | 15.0 | 17.5 |
| Nickel (Ni) | 3.0 | 5.0 |
| Copper (Cu) | 3.0 | 5.0 |
| Niobium+Ta (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 (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 |
Grade 630 stainless steels are typically solution treated at 1040°C for 0.5 hours followed by air cooling. Age hardening at various temperatures achieves the required mechanical properties with minimal distortion.
| Condition | Hardening Temp (°C) | Time (h) | Typical Hardness (HRC) | Tensile Strength (MPa) |
|---|---|---|---|---|
| A | Ann | - | 36 | 1100 |
| H900 | 482 | 1 | 44 | - |
| H925 | 496 | 4 | 42 | 1170-1320 |
| H1025 | 552 | 4 | 38 | 1070-1220 |
| H1075 | 580 | 4 | 36 | 1000-1150 |
| H1100 | 593 | 4 | 35 | 970-1120 |
| H1150 | 621 | 4 | 33 | 930-1080 |
Machining: Can be machined in solution-treated condition with rates similar to grade 304 stainless steel.
Welding: Can be welded using all conventional methods without pre-heating requirements.
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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