SUS 630 stainless steel plate is one of GNEE's main products. We have a large inventory in stock. If you need SUS 630 stainless steel, we can ship it immediately. If you are interested in SUS 630 stainless steel, please contact GNEE.
The 17-4 PH (AISI 630, UNS S17400) stainless steel plates we supply are a precipitation-hardening martensitic stainless steel. This alloy is characterized by high strength and good corrosion resistance, and is recommended for use at temperatures below 300°C. Different hardness levels can be obtained through different heat treatments, and its tensile strength can reach 1100-1300 MPa. Among all hardenable stainless steels, 630 has the best corrosion resistance. In most environments, its corrosion resistance is comparable to that of 304 stainless steel and is generally superior to 400 series stainless steels.
The production process of the SUS 630 stainless steel plates we provide includes: hot rolling, cold rolling, annealing, pickling, and edge trimming.


SUS 630 Stainless Steel Sheet Manufacturing Process

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Specifications
|
Type |
630 SS Plate, Sheet, Strips, Coil |
|
Standard |
ASTM, AISI, ASME, AMS, MLS, EN, JIS, DIN, GOST |
|
Thickness |
1.2-100mm |
|
Width |
1000-1500mm |
|
Length |
1000-12000mm |
|
Surface |
2B, No.3, No.4, HL, BA, 8K |
|
Manufacturing |
Hot rolled, cold rolled |
|
Delivery time |
10-30 days depending on quantity |
|
Payment terms |
T/T |
|
Shipment |
FOB Tianjin/Shanghai, CIF, CFR, etc |
Chemical Properties:
| TYPE | Cr | Ni | Cu | Cb + Ta | C | Mn | P | S | Si |
| 17-4 (Alloy 630) | 15.0-17.5 | 3.0-5.0 | 3.0-5.0 | 0.15-0.45 | 0.07 max | 1.0 max | 0.04 max | 0.03 max | 1.0 max |
17 4 PH Stainless Steel Mechanical Properties
| Condition: | 17-4PH Annealed | 17-4PH H900 | 17-4PH H925 | 17-4PH H1025 | 17-4PH H1075 | 17-4PH H1100 | 17-4PH H1150 |
| Tensile Strength N/mm2 | 1034 | 1380 | 1310 | 1170 | 1140 | 1035 | 1000 |
| 0.2% YS N/mm2 | 760 | 1275 | 1200 | 1140 | 1035 | 930 | 860 |
| Reduction of Area % | 30-60 | 50 | 54 | 56 | 58 | 58 | 60 |
| Elongation % | 6-15 | 14 | 14 | 15 | 16 | 17 | 19 |
| Charpy Impact J | – | 20 | 34 | 47 | 54 | 61 | 68 |
17-4 PH Type 630 Plate Applications
Nuclear reactors
Aircraft and gas turbines
Energy and chemical industry
Chemical process equipment
Paper mills
Offshore engineering
Pump shafts, valves, impellers, drilling accessories
If you have any requirements for the above items, please feel free to place an order. GNEE has a large inventory of popular 630 stainless steel products for you to choose from. These can be processed into various practical product forms, including plates, coils, tubes, bars, and wires. For detailed chemical composition information and free samples, please contact our factory immediately. We offer competitive prices and excellent service.
SS 630 Plate Supplier
GNEE currently has SUS 630 products in stock, including plates, sheets, coils, strips, tubes, bars, and wires. In addition, we offer a variety of surface finishes for you to choose from, such as No. 1, 2B, 2D, BA, No. 3, No. 4, HL, No. 8, sandblasting, etc.
We guarantee 100% quality. We will never deliver any defective products to our customers. Please contact us to customize your required product specifications, including shape, condition, surface treatment, and processing technology.


Highest quality GNEE packaging and shipping
Waterproof paper + PE film interlayer to prevent scratches and moisture, delivery within 3-7 working days, fast delivery to Europe, Southeast Asia, Middle East, South America and North America, etc.


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