JIS Standard U Channel, Size 75MM - 200MM

GB Standard U Channel,Size 80MM - 300MM

GOST Standard U Channel, Size 100MM -180MM

For details, please refer to the attachment for Plane View

JIS Standard:G3192-2000
Material Grade: SS400

GB Standard: GB/T707-1988
Material Grade: Q235B

EN Standard: BS 4-1-2005
Material Grade:S235JR

EN Standard: DIN1026-2:2002-10 DIN17100
Material Grade: St37-2

Gost Standard: GOST 8240-97