• Model NO.：square steel pipe
• Section Shape：Square, Square
• Standard：AISI, ASTM, AISI, ASTM
• Certification：UL, RoHS, UL, RoHS
• Wall Thickness：Thin
• Surface Treatment：Galvanized
• Alloy：Non-Alloy
• After-Sales Service：["Change,Return","Change,Return"]
• Thickness：1.0mm-25mm(Welded); 2mm-30mm(Seamless)
• Size：10*10-900*900
• Delivery Time：15-30 Days After Down Payments
• Length：1-12m
• Payment：L,C, T,T
• Transport Package：in Bundle or as Per Customer′s Request.
• Specification：ASTM A500, GB,T6728, JIS, BS.
• Trademark：Kingmetal
• Origin：China (Mainland)
• HS Code：730619
• Production Capacity：2000000 Tons, Month

Basic Info.

Model NO. square steel pipe Section Shape Square, Square Standard AISI, ASTM, AISI, ASTM Certification UL, RoHS, UL, RoHS Wall Thickness Thin Surface Treatment Galvanized Alloy Non-Alloy After-Sales Service ["Change/Return","Change/Return"] Thickness 1.0mm-25mm(Welded); 2mm-30mm(Seamless) Size 10*10-900*900 Delivery Time 15-30 Days After Down Payments Length 1-12m Payment L/C, T/T Transport Package in Bundle or as Per Customer′s Request. Specification ASTM A500, GB/T6728, JIS, BS. Trademark Kingmetal Origin China (Mainland) HS Code 730619 Production Capacity 2000000 Tons/ Month

Product Description

Q345 Welded ERW Galvanized Steel Pipe 
Standard: 
AISI, ASTM, DIN, EN, GB and JIS
ASTM A213,ASTM A312,ASTM A269,ASTM A778,ASTM A790,A500,A554
DIN 17456,DIN 17458
JIS G3459,JIS G3463 etc
Material:

300series:301,302,303,304,304L,309,309s,310,310S,316,316L,316Ti,317L,321,347
200series:201,202,202cu,204
400series:409,409L,410,420,430,431,439,440,441,444
Others:2205,2507,2906,330,660,630,631,17-4ph,17-7ph, S318039 904L,etc
Duplex stainless steel:S22053,S25073,S22253,S31803,S32205,S32304
Special Stainless Steel:904L,347/347H,317/317L,316Ti,254Mo
GR.A, GR.B, GR.C, STK400, STK490, STK500,S235, S275, S355, Q195, Q215, Q235, Q235B, Q345, 20#

Application: Curtain wall material, construction, transportation, shipbuilding, water project, furniture, Mechanical & manufacture, Steel structure, Ship building, Bridging, Automobile chassis

Surface Treatment: Oiled or black painted to prevent rust, or as requested.
 

Specs (mm)	Wall thickness (mm)	Specs (mm)	Wall thickness (mm)
16×16	0.4~1.5	150×150	6.0~10.0
18×18	0.4~1.5	180×180	6.0~12.0
20×20	0.4~1.5	200×200	6.0~12.0
25×25	0.6~2.0	220×220	6.0~14.0
30×30	0.6~4.0	250×250	6.0~14.0
34×34	1.0~2.0	280×280	6.0~14.0
35×35	1.0~4.0	300×300	8.0~14.0
38×38	1.0~4.0	320×320	8.0~14.0
40×40	1.0~4.5	350×350	8.0~14.0
44×44	1.0~4.5	380×380	8.0~14.0
45×45	1.0~5.0	400×400	8.0~14.0
50×50	1.0~5.0	420×420	10.0~14.0
60×60	1.5~5.0	450×450	10.0~14.0
70×70	2.0~6.0	480×480	10.0~14.0
75×75	2.0~6.0	500×500	10.0~14.0
80×80	2.0~6.0	550×550	10.0~40.0
85×85	2.0~6.0	600×600	10.0~40.0
95×95	2.0~8.0	700×700	10.0~40.0
100×100	2.0~8.0	800×800	10.0~50.0
120×120	4.0~8.0	900×900	10.0~50.0