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GB/T13793 Cutting Chamfer Automotive Tube Q235 Q345 SPCC SPHC

GB/T13793 Cutting Chamfer Automotive Tube Q235 Q345 SPCC SPHC Welded Steel Tube

Application:Dashboard, Seat, Anti-collision Beam, Cylinder Shock Absorber, Door (Thermoform Tube)

size:L--2~12m OD--10~76mm WT--0.5~4mmmm

Manufacture method:The steel pipe shall be made of hot rolled steel strip or cold rolled steel strip by high frequency resistance welding method

Delivery State:Steel tube should be welding or heat treatment state delivery

Grade:Q235 Q345 SPCC SPHC HC340/590DP B340/590DP HC340LA HC380LA HC420LA HC410LA HC500LA S355MC S500MC S550MC S600MC S700MC SAPH440 QSTE340TM QSTE380TM QSTM420TM QSTE500TM ST37-2G ST52-2G CR340LA CR380LA CR420LA DC01 DC02 DC03 DC04 DC05 STKM11A STKM12A STKM12B STKM12C STKM13A STKM13B STKM14A STKM14B STKM14C

Surface Quality:The internal and external surfaces of the steel tube are not allowed to have cracks, scabs, folds, delaminations, laps, and burns. Allows for scribes, scratches, misalignment of welds, burns, oxide scales, and external burr removal traces that are not more than a negative wall thickness deviation

Advantages: Good mold material, high quality of coolant and other production materials

Unit equipment

Y32Z/60	Each one
Automatic pipe cutting machine	2
Semi-automatic pipe cutting machine	5
Automatic chamfering machine	5
Length processing accuracy	Automatic--±0.3mm Semi-automatic--±0.5mm
Equipment length automatic measurement equipment	100% online length measurement
Equipment online laser coding equipment	120 degree batch tracking
Length processing accuracy	±0.3mm

Accuracy

OD(mm)	Accuracy
10-25	±0.05
＞25	±0.1(if finishing,it can reach to ±0.1)

Test items and sampling for steel tubes

Number	Test items	Test frequency	Sampling quantity
1	Smelting analysis	1/furnace	1
2	Finished product analysis	1/furnace	1
3	Tensile test	1/batch	1
4	Weld tensile test	1/batch	1
5	Impact test	1/batch	2 groups in a time, 3 samples in a group
6	Flattening test	1/batch	1 sample on 2 pipes in each batch
7	Bending test	1/batch	1 sample on 2 pipes in each batch
8	Flaring test	1/batch	1 sample on 2 pipes in each batch
9	Hydraulic test	All	All
10	Ultrasonic testing	All	All
11	Eddy current testing	All	All
12	Galvanized layer uniformity test	1/batch	1/batch
13	Galvanized weight determination	1/batch	1/batch
14	Galvanized layer adhesion test	1/batch	1/batch

Mechnical Properties

Steel Grade	Lower yield strength R_e1./MPa	Tensile strength R_m/MPa	Elongation A/％
			D≤168.3mm	D＞168.3mm
	≥
08,10	195	315	22
15	215	355	20
20	235	390	19

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Categories	Welded Steel Tube
Brand Name:	TORICH
Model Number:	GB/T 13793
Certification:	ISO 9001 ISO 14001 TS 16949 EN 10204.3.1 LR KR
Place of Origin:	CHINA
MOQ:	0.5 Ton
Price:	USD 400-800 per Ton
Payment Terms:	L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability:	60000 Tons per Year
Delivery Time:	for 35-45 days
Packaging Details:	In bundles in wooden box
Product name:	GB/T13793 Cutting Chamfer Automotive Tube Q235 Q345 SPCC SPHC Welded Steel Tube
Keyword:	GB/T 13793 Automotive Tube Welded Steel Tubes
Type:	Welded ERW
Surface:	Galvanized Coated
Material:	Q235 Q345 SPCC SPHC HC340/590DP B340/590DP HC340LA HC380LA
Usage:	Automotive
Shape:	Round Shape
Length:	2-12m
OD:	10-76mm
WT:	0.5-4mm