JIS G 3106 SM490A, B, and C Steel Work / Steel Structure

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10-May-2024

JIS G 3106 SM490A, B, and C Steel Work / steel structure / Steel Machining Parts
SM490A, B, and C Steel Structures are produced based on the Japanese Standard JIS G3106 which mainly references the hot rolled low alloy steels. JIS3106 SM490A, B, and C Steel Work usually are used for fabricating the bridges, ships, rolling stocks, petroleum storage tanks, containers and other constructions.

JIS G 3106 SM490A, B, and C Steel machining parts Chemical Composition Analysis

Grade	C	Si	M	P	S
JIS 3106 SM490A	Thickness≤50mm 0.20max 200mm＞50mm 0.22max	0.55 max	1.60 max	0.035 max	0.035 max
JIS 3106 SM490B	Thickness≤50mm 0.18max 200mm＞50mm 0.20max	0.55 max	1.60 max	0.035 max	0.035 max
JIS 3106 SM490C	Thickness≤100mm 0.18max	0.55 max	1.60 max	0.035 max	0.035 max

JIS G 3106 SM490A, B, and C Steel Work Mechanical Properties

Grade	Yield point or proof stress N/mm²						Tensile strength N/mm²
	Thickness of steel product (²) mm						Thickness mm
	≤16	＞16＜40	＞40＜75	＞75＜100	＞100＜160	＞160＜200	≤100	＞100＜200
JIS 3106 SM490A	325 min	315 min	295 min	295 min	285 min	275 min	490 to 610	490 to 610
JIS 3106 SM490B
JIS 3106 SM490C					-	-

JIS G 3106 SM490A, B, and C Steel Work Heat treatment and symbol
For JIS G 3106 SM490A, B, and C Steel machining parts, KUNFENG can offer Normalizing (N), Quench-hardening and Tempering (Q), or Tempering (T), as necessary. Further more, if you need any special heat treatment for JIS G3106 SM490A, B, and C Steel Structure, it should be agreed upon between the purchaser and supplier.

Shanghai KUNFENG can supply the JIS3106 SM490A, B, and C Steel machining parts with high function performance. We have more than 20000 square meters workshop and plenty of machining equipments so we can supply the SM490A, B, and C Steel Work in competitive prices and short delivery time. If you need the SM490A, B, and C Steel work/steel structure, please don’t hesitate to contact us.