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small diameter ERW square tube with mild steel Q235

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Welded Square Tubes with heat treatment as per EN10210,20020020mm

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small diameter ERW square tube with mild steel Q235

Large Image : small diameter ERW square tube with mild steel Q235

Product Details:

Place of Origin:	China
Brand Name:	Huibo
Certification:	ISO

Payment & Shipping Terms:

Minimum Order Quantity:	30MT
Price:	FOB,CIF,CFR
Packaging Details:	in bundles or in bulk
Delivery Time:	10-15days after we get the down payments
Payment Terms:	TT/LC
Supply Ability:	5000MT/MONTH

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Detailed Product Description

Square Tube is one of the main steel pipes used in construction field and machinery industry.

In general, square tubes can be divided into 2types : seamless & ERW .

From technical pespective, it can be categoried into: cold rolled & hot formed.

Standards: GB/T3094-2000, GB/T6728-2002, JISG 3466, EN10219, EN10210, ASTM A500,

——Specification Range

Normal Size

Dia(mm)	T(mm)	Dia (mm)	T(mm)	Dia (mm)	T(mm)
30*30	2-4	120*120	2-14	250*250	8-25
40*40	2-4	125*125	2-14	255*255	8-25
50*50	2-5	130*130	2-14	258*258	8-25
60*60	2-5	135*135	8-14	260*260	8-25
70*70	2-5	140*140	8-20	280*280	8-25
75*75	2-5	150*150	8-22	300*300	9-25
80*80	2-8	160*160	8-22	350*350	9-25
90*90	2-9	180*180	8-22	360*360	9-25
100*100	2-14	200*200	8-25	400*400	9-25
110*110	2-14	220*220	8-25
115*115	2-14	240*240	8-25

Dia(mm)	T(mm)	Dia(mm)	T(mm)	Dia(mm)	T(mm)
60*20	2-3	80*40	2-6	110*60	5-8
60*30	2-3	90*40	2-6	110*70	5-10
60*40	2-6	90*50	2-6	120*60	5-8
70*20	2-3	100*20	2-4	120*80	5-10
70*30	2-3	100*30	2-4	120*100	5-14
70*40	2-6	100*40	2-4	125*90	5-10
70*50	2-6	100*50	2-6	125*100	5-14
75*45	2-6	100*80	4-9	130*120	5-14
				140*80	5-6,8-10

Big Size

Dia (mm)	T(mm)	Dia (mm)	T(mm)	Dia (mm)	T(mm)
180*100	5-14	300*200	7-25	400*250	7-20
200*100	6-18	300*250	7-25	400*300	7-25
200*150	5-6,8-25	320*200	7-25	420*350	7-25
250*100	5-14	350*100	7-18	450*150	7-18
250*200	6-25	350*200	7-25	450*250	7-22
250*225	6-25	350*250	7-25	500*300	7-25
300*100	7-18	350*300	7-25	600*200	7-18
300*150	7-18	400*200	7-18	600*400	8-25