Hot Rolled 17-4PH Stainless Steel Seamless Pipe with Precipitation-Hardening and Corrosion Resistance
Price:
4.85
MOQ:
50
Delivery Time:
Negotiable
Product Description
17-4PH / SUS630 / Alloy 630 Stainless Steel Pipes & Tubes
Hot Rolled SUS630 / 17-4PH / Alloy 630 Stainless Steel Seamless Pipe BA AP SS Hollow Tube
Products Specification
| Products Name | Stainless Steel Seamless Pipe |
|---|---|
| Grade | 304 304L 309S 310S 314 316L 316Ti 321 329 347H 410 2205 2507 904L 254SMO 17-4PH and equal grade in GB JIS EN DIN Standard |
| Standards |
ASTM A213M-94b ASTM A249M-94a ASTM A269-94a ASTM A312M-94b, etc. DIN 17456-85 DIN 17458-85 DIN 17459-92, etc. JIS G3446-1994 JIS G3448-1997 JIS G3459-1997 JIS G3463-1994, etc. GB13296-1991 GB14975-2002 GB14976-2002, etc. |
| Size | ND5 - DN400 |
| Length | 6m length or cutting any length as request |
| Applications | fluid and gas transport, structure, boiler, heat exchanger, super heater |
630 Stainless Steel Seamless Tubing - Product Information
(UNS S17400 / 17-4PH Precipitation-Hardening Stainless Steel)
Product Description
630 Seamless Tubing is a martensitic precipitation-hardening stainless steel offering exceptional strength, corrosion resistance, and machinability. The "630" designation (per AMS/UNS) is synonymous with 17-4PH. Supplied in solution-annealed Condition A, it achieves high mechanical properties via low-temperature aging heat treatment (e.g., H900, H1150). Ideal for high-stress, corrosive, and moderate-temperature applications where standard austenitic steels (304/316) lack sufficient strength.
Key Specifications & Standards
| Category | Details |
|---|---|
| Material Standard | ASTM A564 (Age-Hardening Stainless Steel), AMS 5643, ASTM A511 (Seamless Mechanical Tubing) |
| UNS Designation | S17400 |
| EN/DIN Equivalent | 1.4542 (X5CrNiCuNb16-4) |
| Common Tempers | Condition A (Solution Annealed), Aged: H900, H1025, H1100, H1150, H1150M |
Chemical Composition (% Weight, Typical)
| Element | Cr | Ni | Cu | Nb+Ta | C (max) | Mn (max) | Si (max) | Fe |
|---|---|---|---|---|---|---|---|---|
| Content | 15.0-17.5 | 3.0-5.0 | 3.0-5.0 | 0.15-0.45 | 0.07 | 1.00 | 1.00 | Balance |
Mechanical Properties (Aged Conditions)
| Aging Condition | Tensile Strength (min) | Yield Strength (min) | Elongation % (min) | Hardness (HRC) |
|---|---|---|---|---|
| H900 | 190 ksi (1310 MPa) | 170 ksi (1170 MPa) | 10 | 40-48 |
| H1150 | 135 ksi (930 MPa) | 105 ksi (725 MPa) | 12 | 30-38 |
| H1150M | 110 ksi (760 MPa) | 85 ksi (585 MPa) | 15 | 28-36 |
Physical Properties
- Density: 0.282 lb/in³ (7.80 g/cm³)
- Melting Point: 2560-2625°F (1400-1440°C)
- Magnetic Response: Yes (martensitic structure)
- Thermal Conductivity: 14.4 BTU·ft/hr·ft²·°F (24.9 W/m·K)
- Corrosion Resistance: Comparable to 304 stainless; resistant to acids, freshwater, steam, and petroleum.
Tubing Specifications
| Parameter | Details |
|---|---|
| Type | Seamless (SMLS), Cold-Drawn or Hot-Finished |
| OD Range | 0.125" - 8" (3.18 mm - 203 mm) |
| Wall Thickness | 0.020" - 1.5" (0.51 mm - 38.1 mm) |
| Length | Standard: 12-24 ft (3.6-7.3 m); Custom cuts available |
| Tolerances | ASTM A511, ASTM A564, or custom precision (e.g., ±0.001" on OD) |
| Surface Finish | Annealed/pickled, polished (#4, #8, mirror), sandblasted, or as-requested |
Packaging
- Standard: Bundled with plastic/corrugated wrapping, wood-crated or palletized.
- Protection: PVC end caps, VCI (vapor corrosion inhibitor) paper for long-term storage.
- Labeling: Heat number, size, temper, quantity, and compliance marks (RoHS/REACH).
Value-Added Services
- Cutting: Precision saw, abrasive waterjet, or laser cutting.
- Heat Treatment: Custom aging (H900 to H1150M) for target strength/toughness.
- Machining: CNC turning, milling, threading, grooving.
- Surface Treatment: Passivation, electropolishing, bead blasting.
- Testing: Eddy current (ECT), hydrostatic, ultrasonic (UT), PMI (positive material identification).
- Welding: TIG/GTAW with ER630 filler wire.
Applications
630 seamless tubing is critical in high-performance sectors:
- Aerospace: Landing gear, actuator cylinders, hydraulic lines.
- Oil & Gas: Downhole tools, valve stems, chemical injection tubing.
- Medical: Surgical instruments, implantable device components (biocompatible grades available).
- Power Generation: Turbine blades, heat exchanger tubes.
- Industrial: Hydraulic/pneumatic cylinders, bearings, nuclear waste containers.
- Marine: Propeller shafts, subsea fittings.
Compliance & Certification
- Mill Test Reports (MTRs) per EN 10204 3.1/3.2.
- Compliance: NACE MR0175, ASTM A262, AMS 5643.
- Certifications: ISO 9001, AS9100, PED 2014/68/EU (upon request).
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Company
TSING SHAN STEEL INDUSTRIAL LIMITED
Location
NO.288,Youyi Road Xi Shan Dristrict , Wuxi, Jiangsu, China
Contact Person
Gao Ben