St37-3 STEEL TUBE

St37.3 steel in steel standard DIN 17100 which applies to steel sections (including wide flange beams),steel bars,wire rods,flat products such as steel strip,steel plate,steel wide flats,seamless and welded steel pipes,square and rectangular hollow sections,forgings and semi-finished products in the general structural steels.St37-3 steel tube and St37-3 steel pipe stock in Xinsteel chinese port warehouses typies as St37-3 welded pipe or St37-3 seamlss pipe.

Technical Requirements & Additional Services for St37-3 steel pipe:
♦ Low temperature impacting test
♦ Issued Orginal Mill test certificate under EN 10204 FORMAT 3.1/3.2
♦ Surface Protection:Black,Varnish,Hot Dip Galvanized,Coating with shop prime
♦ Non destructive testing for steel tubes comply to EN10160,SEL072,BS5996,NFA04-305
♦ Packing with seaworthy methods:wooden crate,wooden cases,pallets,waterproof plastic cloth,iron belts

►Mechnical property for St37-3 steel pipe:

Thickness (mm)
St37-3 steel pipe	≤ 16	> 16 ≤ 40	> 40 ≤ 63	> 63 ≤ 80	> 80
Yield strength (≥Mpa)	235	225	215	215	215
	< 3	≥ 3 ≤ 100			> 100
Tensile strength (Mpa)	360-510	340-470			340-470

►Chemical composition for St37-3 steel pipe (Product Analysis Max%)

Main chemical elements composition of St37-3 steel pipe
C	Si	Mn	P	S	N
0.19	0.60	1.70	0.050	0.050	0.010