Straight seam steel pipes STK 490 (STK 50)
It is recommended that STK 490/STK 50 spiral seam and straight seam steel tubes should be as manufactured without heat treatment. STK50 is the former symbol and lately substituted by STK 490.
Dimensions for STK 490/STK 50 spiral seam and straight seam steel pipes/tubes
Out diameter: 21-219mm
Wall thickness:0.5-16mm
Grade : STK 490/STK 50
Type : steel pipes
Brand : Katalor
Country of origin:Shanghai China
Price: We can according to your requirement for STK 490/STK 50 steel pipes, STK 490/STK 50 steel pipes demand quantity and destination port, give you the best price.
STK 490/STK 50 steel pipes application:
STK 490/STK 50 steel pipes can be used in gas and oil transportation,heating surface pipe, economizer, superheater, reheater tube, petrochemical industry, etc
Payment : TT, LC,are all ok
Trade Terms : FOB / CFR /CIF
Delivery period: according to the material ,the standard, and the quantity of the contract.
