KMS-502

Shielding Gas Ar+1~2%O2
It is suitable for welding Cr-Mo heat resistant steel.。
It is ideal for welding in steel for petro-chemical plants such as ASTM A387Gr.5 and JIS SCMV6.

Catalog Packaging

▎Classification

AWS A5.28	ER80S-B6
JIS Z3317	G55A-5CM
EN 3580-A	E CrMo5 B
GB T 8110	ER55-G

▎Applications and Features

It is suitable for welding Cr-Mo heat resistant steel.
Weld metal contains 5%Cr-0.5%Mo.
It is ideal for welding in steel for petro-chemical plants such as ASTM A387Gr.5 and JIS SCMV6.

▎Welding Position

▎Welding Instruction

Clean up the contaminations on the steel before welding.
It provides high hardenability with air cooling. Preheat and PWHT are required.
Preheat and interpass temperature are: 160~190°C, PWHT: 840~870°C.
Please refer to Appendix B

▎Application

It is ideal for welding in steel for petro-chemical plants such as ASTM A387Gr.5 and JIS SCMV6.

▎Typical Chemical Composition of Weld Metal (wt%)

C	Si	Mn	P	S	Cr	Mo
0.075	0.32	0.55	0.015	0.014	5.50	0.55

▎Typical Mechanical Properties of Weld Metal

Tensile Strength N/mm²	Yield Strength N/mm²	Elongation %
630	480	25

▎Size and Suggested Operating Range (AC or DC±)

	Diameter (mm)	1.0	1.2	1.4	1.6
Short-Circuit Transfer	A	80~160	100~210	–	–
Short-Circuit Transfer	V	16~22	17~22	–	–
Spray Transfer	A	180~280	200~300	210~320	220~330
Spray Transfer	V	24~30	24~30	210~320	24~32

▎Certification

JISZ3323_TCTW08007

KUANG TAI METAL INDUSTRIAL CO., LTD.

廣泰金屬工業股份有限公司

No.20, Gongye Rd., Erzhen, Guantian Dist.
Tainan City 72042, Taiwan
TEL：886-6-6987615 FAX：886-6-6987315

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