Harris
Harris ER630 (17-4PH) Stainless Steel TIG Welding Rod
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- Usually in Stock – Ships Quickly
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Description
Harris ER630 (17-4PH) Stainless Steel TIG Welding Rod
Harris ER630 (17-4PH) stainless steel TIG welding rod is a martensitic precipitation-hardening stainless filler metal designed primarily for GTAW / TIG welding of ASTM A564 Type 630 and similar precipitation-hardening stainless steels. It is well suited for applications requiring high strength, hardness, corrosion resistance and strong mechanical properties.
Select the required rod diameter from the product options above. Both available variations are 36" long and supplied in 10 lb Boxes. The selected variation determines the Harris item number, selling price, package weight and cost.
Product Highlights
- ER630 / 17-4PH stainless steel TIG welding rod
- Designed for GTAW / TIG welding
- Designed primarily for ASTM A564 Type 630 stainless steel
- Martensitic precipitation-hardening stainless alloy
- High strength and hardness
- Good corrosion resistance
- Available in 1/16" and 3/32" rod diameters
- 36" rod length
- 10 lb Box packaging
- 160,000 psi tensile strength in the as-welded condition
- 145,000 psi yield strength in the as-welded condition
- Conforms to ANSI/AWS A5.9 and ASME SFA 5.9 ER630
Technical Specifications
| AWS Classification | ER630 |
|---|---|
| Common Alloy Name | 17-4PH Stainless Steel |
| Product Type | Precipitation-Hardening Stainless Steel TIG Welding Rod |
| Welding Process | GTAW / TIG Welding |
| Available Diameters | 1/16" and 3/32" |
| Rod Length | 36" |
| Package Size | 10 lb Box |
| Tensile Strength | 160,000 psi |
| Yield Strength | 145,000 psi |
| Elongation | 5% |
| Rockwell B Hardness | 108 HRB |
| Brinell Hardness | 327 HB |
| Welding Positions | All Positions |
| Classification Standard | ANSI/AWS A5.9 / ASME SFA 5.9 ER630 |
| Manufacturer | The Harris Products Group |
Available Diameters & Packaging
| Rod Size | Package | Harris Item Number |
|---|---|---|
| 1/16" x 36" | 10 lb Box | 174PH30 |
| 3/32" x 36" | 10 lb Box | 174PH50 |
Common Applications
17-4PH Stainless Steel
- ASTM A564 Type 630 stainless steel
- Precipitation-hardening stainless steels
- High-strength stainless assemblies
- Pressure-containing components
- Industrial stainless fabrication
Industrial Applications
- Chemical processing equipment
- Aircraft components
- Pump and valve components
- Pressure vessels
- High-strength mechanical components
Why Choose ER630 (17-4PH)?
High-Strength Weld Deposit
ER630 is designed for applications requiring high tensile and yield strength while maintaining good corrosion resistance and mechanical properties.
Precipitation-Hardening Stainless Alloy
The ER630 composition is designed to provide a weld deposit compatible with 17-4PH and other suitable precipitation-hardening stainless steels.
Product Selection Considerations
Rod Diameter
Select 1/16" or 3/32" rod based on material thickness, joint design, welding position, amperage and the applicable welding procedure.
Heat Treatment & Procedure
Precipitation-hardening stainless steels may require specific interpass temperature and post-weld heat-treatment procedures to achieve desired mechanical properties. Follow the applicable welding procedure and engineering requirements.
Product Resources
View additional manufacturer information and technical documentation for Harris ER630 (17-4PH) stainless steel welding alloys.
View Harris Stainless Steel Welding ProductsNeed Help Selecting Harris ER630 (17-4PH) TIG Welding Rod?
Our welding and industrial supply specialists can help verify the correct filler-metal classification and rod diameter for your precipitation-hardening stainless steel application.
Frequently Asked Questions
What is Harris ER630 stainless steel TIG welding rod?
ER630 is a martensitic precipitation-hardening stainless steel GTAW filler rod designed primarily for welding ASTM A564 Type 630, commonly known as 17-4PH stainless steel.
What is 17-4PH stainless steel?
17-4PH is a precipitation-hardening stainless steel known for high strength, hardness, corrosion resistance and strong mechanical properties.
What rod diameters are available?
This Harris ER630 TIG product is available in 1/16" and 3/32" diameters.
How long are the rods?
Both current variations are 36" long.
What package size is available?
Both variations are supplied in 10 lb Boxes.
What is the tensile strength of ER630?
Harris lists approximately 160,000 psi tensile strength in the as-welded condition.
What is the yield strength of ER630?
Harris lists approximately 145,000 psi yield strength in the as-welded condition.
How is this product sold?
Each variation is sold by the complete 10 lb Box. Quantity 1 equals one Box of the selected rod diameter.
Important Ordering Notes
- Select the required rod diameter before adding the product to your cart.
- Quantity 1 equals one complete 10 lb Box.
- The selected variation determines the Harris SKU, selling price, weight and cost.
- Confirm ER630 filler-metal compatibility with the material being welded before use.
- Verify interpass temperature, heat-treatment and procedure requirements for 17-4PH stainless steel.
- Verify all welding procedure, specification, code and project requirements.
- Always follow Harris manufacturer instructions and applicable workplace safety requirements.
California Proposition 65 Warning
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
