Seamless ss pipes (300 series) 1. Grade:201.304 2. Thickness: 1.0mm-6.0mm 3. OD: 6. ... 0mm-610mm 4. Standard: JIS, AISI, GB Seamless ss pipes ... steel pipe and tubes,stainless steel coil and strips.201/304 Stainless Steel pipe1. Grade:201.3042. Thickness: 1.0mm ... , GB, JIS GRADE 201,202,304,304L,316,316L,309s,310s 201,202,304,304L,316,316L,309s,310s 201,202 ...