PRODUCTSWELDING CONSUMABLES
Heat Resisting Steel Boiler Tube/Pipe / Ar+CO2 Solid wire YM-521A
Characteristics
YM-521A shoud be with shielding gas of Ar+5 to 25%CO2 mixtures. This product is suitable for ASTM A387 Gr.22 as well as T22 boiler tube. And, it is available to low temperature operation up to -29°C, further it meets the requirement of X-bar and temper embrittlment as per API 934-A(Step Cooling test) under PWHT conditions of 691°C×5 to 34 hours.
Applications
Welding with Ar+CO2 gas for 2.25%Cr-1%Mo Steels such as ASTM A387 Gr.22 or A335 P22.

- JIS Z 3317 G62M-2C1M2☆
- AWS A5.28 ER90S-G☆
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PRODUCT CATALOG
Approvals
Reference data
- Not all product sizes have been certified.
- Approvals are updated from time to time, but in case of expiration or cannot find it, please inquiry via contact us.
- ☆It means that the product meets the classification requirements but that the JIS Mark system and AWS are not authentication to the classification by third parties.
- ★It means that the product meets most of the classification requirements. However, there is for example a partial deviation in chemical composition etc.