Thermanit MTS 4 Si TIG Rods Importer, Stockist & Supplier Worldwide
Shanti Metal Supply Corporation (SMSC) is an importer and stockist of Thermanit MTS 4 Si TIG Rods, supporting industrial welding consumable requirements across Gulf countries, Indonesia, Malaysia and other international markets. Thermanit MTS 4 Si is a creep-resistant TIG rod / wire designed for gas tungsten arc welding of compatible high-temperature and creep-strength-enhanced ferritic steels. The product is classified under EN ISO 21952-A as W CrMoWV 12 Si TIG Rods and under AWS A5.28 / SFA-5.28 as ER90S-G TIG Rods, with ER90S-B92 (modified) referenced in the manufacturer's product information.
The weld metal is based on an approximately 11Cr-1Mo-0.5W-V alloy system and develops a tempered martensitic microstructure after suitable heat treatment. Thermanit MTS 4 Si is intended for demanding welding applications in thermal power and other high-temperature industrial equipment, including compatible tubes, pipes, forgings and castings.
Thermanit MTS 4 Si TIG Rods – Product Overview
| Product | Thermanit MTS 4 Si |
|---|---|
| Product Type | TIG Rod / TIG Wire |
| Welding Process | GTAW / TIG |
| Classification – EN ISO | EN ISO 21952-A, W CrMoWV 12 Si TIG Rods |
| Classification – AWS | AWS A5.28 / SFA-5.28, ER90S-G TIG Rods |
| Referenced Modified Classification | ER90S-B92 TIG Rods (modified) |
| Material Number | 1.4937 |
| Weld Metal Structure | Tempered martensitic |
| Current / Polarity | DCEN / DC (-) |
| Shielding Gas | I1 – Inert gas, typically argon |
| Typical Service Reference | Long-term service up to approximately 650°C, subject to applicable engineering requirements |
| Approvals | TÜV (02624), CE |
Characteristics of Thermanit MTS 4 Si TIG Rods
Thermanit MTS 4 Si is a low-alloyed, creep-resistant TIG rod developed for welding applications where elevated temperature strength and creep resistance are important. Its W CrMoWV 12 Si composition is designed for compatible 12% chromium creep-strength-enhanced ferritic steels used in thermal power and high-temperature equipment.
- Suitable for manual and mechanized GTAW / TIG welding.
- Designed for welding compatible creep-resistant ferritic steels.
- Produces a tempered martensitic weld-metal structure after suitable post-weld heat treatment.
- Suitable for joining tubes, pipes, forgings and castings in appropriate high-temperature applications.
- Designed for applications requiring elevated-temperature and creep-resistant weld performance.
- The manufacturer states long-term service suitability up to approximately 650°C for the specified application range.
- Suitable for welding similar alloyed steels such as X20CrMoW12-1 and related Cr-Mo-W-V grades.
Chemical Composition of Thermanit MTS 4 Si TIG Rods
The following values represent the manufacturer's typical analysis for Thermanit MTS 4 Si TIG rod / wire. Actual product chemistry should always be confirmed against the applicable certificate and current manufacturer's technical documentation.
| Element | Typical Composition (wt. %) |
|---|---|
| Carbon (C) | 0.20 |
| Silicon (Si) | 0.30 |
| Manganese (Mn) | 0.60 |
| Chromium (Cr) | 11.0 |
| Nickel (Ni) | 0.40 |
| Molybdenum (Mo) | 1.00 |
| Tungsten (W) | 0.50 |
| Vanadium (V) | 0.30 |
Mechanical Properties of Thermanit MTS 4 Si TIG Rods
The manufacturer's current technical information provides typical all-weld-metal mechanical properties after heat treatment. The reported values are associated with the specified post-weld heat treatment condition and should not be treated as universal values for every welding procedure.
| Property | Typical Value | Minimum Value |
|---|---|---|
| Yield Strength Rp0.2 | 620 MPa | ≥ 550 MPa |
| Tensile Strength Rm | 780 MPa | ≥ 690 MPa |
| Elongation A | 18% | ≥ 15% |
| Impact Energy ISO-V at 20°C | 60 J | ≥ 35 J |
| Heat Treatment Reference | 760°C / 4 hours, tempered | |
| Shielding Gas | I1 | |
Base Materials for Thermanit MTS 4 Si TIG Rods
Thermanit MTS 4 Si is intended for compatible alloyed, creep-resistant ferritic steels and castings. The manufacturer's technical documentation identifies several associated base-material grades used in high-temperature applications.
- 1.4922 – X20CrMoV11-1 / X20CrMoV12-1
- 1.4935 – X20CrMoWV12-1
- 1.4923 – X22CrMoV12-1
- 1.4926 – X21CrMoV12-1
- 1.4913 – X19CrMoNbVN11-1
- 1.4931 – GX23CrMoV12-1
Selection of the filler metal should be based on the exact parent material, welding procedure specification, heat-treatment condition, service temperature and applicable engineering code.
Applications of Thermanit MTS 4 Si TIG Rods
Thermanit MTS 4 Si TIG Rods are used for suitable welding and surfacing applications involving high-temperature creep-resistant ferritic steels. The product is particularly associated with thermal power and high-temperature equipment where compatible 12% chromium steels are used.
- Thermal power plant equipment
- High-temperature piping systems
- Boiler and steam-system components
- Creep-resistant steel tube welding
- High-temperature pipe fabrication
- Forgings and castings made from compatible Cr-Mo-W-V steels
- Joining of similar alloyed creep-resistant ferritic steels
- Surfacing and repair applications where the specified filler-metal compatibility is established
Welding Parameters for Thermanit MTS 4 Si TIG Rods
| Parameter | Recommended / Reference Information |
|---|---|
| Welding Process | GTAW / TIG |
| Polarity | DCEN / DC (-) |
| Shielding Gas | I1 according to EN ISO 14175 |
| Typical Shielding Gas | Argon |
| Preheat Temperature | 250–350°C |
| Interpass Temperature | 250–350°C |
| Post-Weld Cooling | Cool the weld below 100°C before PWHT to complete martensitic transformation |
| Typical PWHT Range | 750–770°C |
For martensitic welding applications, preheat and interpass temperature control is important. The manufacturer's technical information recommends controlled cooling below 100°C before post-weld heat treatment. For optimized impact performance, multi-layer welding with relatively small layer thickness and controlled heat input is recommended.
Available Sizes of Thermanit MTS 4 Si TIG Rods
| Diameter | Length |
|---|---|
| 1.2 mm | 1000 mm |
| 2.0 mm | 1000 mm |
| 2.4 mm | 1000 mm |
Availability of individual diameters may depend on current stock, manufacturing availability, quantity and destination. Customers can contact SMSC with their required diameter and quantity for availability confirmation.
Thermanit MTS 4 Si TIG Rods Importer & Stockist – SMSC
Shanti Metal Supply Corporation (SMSC) supplies Thermanit MTS 4 Si TIG Rods for industrial welding and engineering requirements. As an importer and stockist, SMSC supports customers looking for specification-based welding consumables for demanding industrial applications.
SMSC supports supply enquiries across the Gulf countries, including UAE, Saudi Arabia, Qatar, Oman, Kuwait and Bahrain. International industrial enquiries from Indonesia and Malaysia are also supported, subject to product availability, required quantity, specifications and applicable export requirements.
Customers can contact SMSC for Thermanit MTS 4 Si enquiries based on required diameter, quantity, application, classification and delivery destination.
Thermanit MTS 4 Si TIG Rod Supplier for Gulf Countries
SMSC supports industrial procurement enquiries for Thermanit MTS 4 Si TIG Rods from customers and project procurement teams across the Gulf region.
- Thermanit MTS 4 Si TIG Rod Supplier UAE
- Thermanit MTS 4 Si TIG Rod Supplier Saudi Arabia
- Thermanit MTS 4 Si TIG Rod Supplier Qatar
- Thermanit MTS 4 Si TIG Rod Supplier Oman
- Thermanit MTS 4 Si TIG Rod Supplier Kuwait
- Thermanit MTS 4 Si TIG Rod Supplier Bahrain
Thermanit MTS 4 Si TIG Rod Supplier for Indonesia & Malaysia
SMSC also supports international industrial enquiries from Indonesia and Malaysia for Thermanit MTS 4 Si TIG Rods. Supply is subject to product availability, required specifications, quantity, documentation and applicable international delivery requirements.
Why Choose SMSC for Thermanit MTS 4 Si TIG Rods?
- Importer and Stockist
- Industrial Welding Consumable Supply
- Specification-Based Product Support
- Supply Support for Gulf Countries
- International Market Support
- Support for Indonesia and Malaysia
- Product Identification According to Required Classification
- Support for Industrial and Project Procurement
- Bulk Requirement Enquiries
- Worldwide Export Supply Support
How to Order Thermanit MTS 4 Si TIG Rods
When enquiring for Thermanit MTS 4 Si TIG Rods, customers should provide the product name, required diameter, quantity, application, base-material information and delivery destination wherever available.
- Confirm the required Thermanit MTS 4 Si product.
- Confirm the required AWS or EN ISO classification.
- Specify the required rod diameter and quantity.
- Provide the base material and welding application when relevant.
- Provide the required delivery destination.
- Request availability and commercial quotation from SMSC.
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Frequently Asked Questions – Thermanit MTS 4 Si TIG Rods
What is Thermanit MTS 4 Si?
Thermanit MTS 4 Si is a creep-resistant TIG rod / wire designed for welding compatible high-temperature creep-strength-enhanced ferritic steels. It is classified as W CrMoWV 12 Si under EN ISO 21952-A.
What is the AWS classification of Thermanit MTS 4 Si?
Thermanit MTS 4 Si is classified under AWS A5.28 / SFA-5.28 as ER90S-G. The manufacturer's current product information also references ER90S-B92 (modified).
What is the EN ISO classification of Thermanit MTS 4 Si?
The EN ISO classification of Thermanit MTS 4 Si is EN ISO 21952-A, W CrMoWV 12 Si.
What is the material number of Thermanit MTS 4 Si?
The material number associated with Thermanit MTS 4 Si is 1.4937.
What welding process is used with Thermanit MTS 4 Si?
Thermanit MTS 4 Si is a TIG rod / wire designed for gas tungsten arc welding (GTAW / TIG), including manual and mechanized welding applications.
What shielding gas is used with Thermanit MTS 4 Si TIG Rods?
The manufacturer's operating data specifies shielding gas I1 according to EN ISO 14175. Argon is commonly used for TIG welding with this shielding-gas classification.
What is the typical chemical composition of Thermanit MTS 4 Si?
The typical analysis includes approximately 0.20% carbon, 0.30% silicon, 0.60% manganese, 11.0% chromium, 0.40% nickel, 1.0% molybdenum, 0.50% tungsten and 0.30% vanadium.
What applications are suitable for Thermanit MTS 4 Si?
Thermanit MTS 4 Si is intended for suitable joining and surfacing applications involving compatible creep-resistant ferritic steels, including tubes, pipes, forgings and castings used in high-temperature and thermal power applications.
What preheat temperature is recommended for Thermanit MTS 4 Si?
The manufacturer's technical information recommends controlling preheat and interpass temperature in the range of approximately 250–350°C for the specified martensitic welding application.
What is the recommended PWHT range for Thermanit MTS 4 Si?
The manufacturer's technical information indicates that post-weld heat treatment is typically carried out in the range of 750–770°C, with the exact procedure determined by the applicable welding specification and component requirements.
Who supplies Thermanit MTS 4 Si TIG Rods for Gulf countries?
Shanti Metal Supply Corporation (SMSC) is an importer and stockist supporting industrial enquiries for Thermanit MTS 4 Si TIG Rods across Gulf countries and international markets.
Does SMSC supply Thermanit MTS 4 Si TIG Rods to Indonesia and Malaysia?
SMSC supports international industrial enquiries from Indonesia and Malaysia, subject to product availability, quantity, specifications and applicable supply requirements.