1×1 Galvanized Square Tubing

Square tube material: Q235, 16Mn and Q345 Application: Square tube uses Square tube uses construction, machinery manufacturing, steel construction and other projects Packing: wooden pallet packing Service: can be customized according to customer requirements
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Products Details

Mechanical properties

Standard Product Level Steel Grade Yield Strength (min), Mpa Tensile Strength（MPa）
API 5L GB/T9711.2 PSL 1 A or L210 210 335
B or L245 245 415
x42 or L290 290 415
X46 or L320 320 435
X52 or L360 360 460
X56 or L390 390 490
X60 or L415 415 520
X70 483 565
PSL 2 BR or L245R 245~450 415~760
X42R or L290R 290~495 415~760
BN or L245N 245~450 415~760
X42N or L290N 290~495 415~760
X46N or L320N 320~525 435~760
X52N or L360N 360~530 460~760
X56N or L390N 390~545 490~760
X60N or L415N 415~565 520~760
X65N or L450N 425~566 525~760
X70 or L480 484~565 565~768
X80 552~690 621~827

Table of chemical Elements in pipeline

Product Level Steel Grade Chemical Composition, %
C Mn P S And IN Nb Of CEpcm
PSL 1 B or L245 ≤0.28 ≤1.20 ≤0.030 ≤0.030 - - - - -
x42 or L290 ≤0.28 ≤1.30 ≤0.030 ≤0.030 - - - - -
X46 or L320 ≤0.28 ≤1.40 ≤0.030 ≤0.030 - - - - -
X52 or L360 ≤0.28 ≤1.40 ≤0.030 ≤0.030 - - - - -
X56 or L390 ≤0.28 ≤1.40 ≤0.030 ≤0.030 - - - - -
X60 or L415 ≤0.28 ≤1.40 ≤0.030 ≤0.030 - - - - -
X70 ≤0.28 ≤1.40 ≤0.030 ≤0.030 - - - - -
PSL 2 BR or L245R ≤0.24 ≤1.20 ≤0.025 ≤0.015 ≤0.40 c c ≤0.04 ≤0.25
X42R or L290R ≤0.24 ≤1.20 ≤0.025 ≤0.015 ≤0.40 ≤0.06 ≤0.05 ≤0.04 ≤0.25
BN or L245N ≤0.24 ≤1.20 ≤0.025 ≤0.015 ≤0.40 c c ≤0.04 ≤0.25
X42N or L290N ≤0.24 ≤1.30 ≤0.025 ≤0.015 ≤0.40 ≤0.06 ≤0.05 ≤0.04 ≤0.25
X46N or L320N ≤0.24 ≤1.40 ≤0.025 ≤0.015 ≤0.40 ≤0.07 ≤0.05 ≤0.04 ≤0.25
X52N or L360N ≤0.24 ≤1.40 ≤0.025 ≤0.015 ≤0.45 ≤0.10 ≤0.05 ≤0.04 ≤0.25
X56N or L390N ≤0.24 ≤1.40 ≤0.025 ≤0.015 ≤0.45 ≤0.10 ≤0.05 ≤0.04 ≤0.25
X60N or L415N ≤0.24 ≤1.40 ≤0.025 ≤0.015 ≤0.45 ≤0.10 ≤0.05 ≤0.04 -
X65N or L450N ≤0.24 ≤1.40 ≤0.025 ≤0.015 ≤0.45 ≤0.10 ≤0.05 ≤0.04 -
X70N ≤0.24 ≤1.40 ≤0.025 ≤0.015 ≤0.45 ≤0.10 ≤0.05 ≤0.04 -
X80 ≤0.24 ≤1.40 ≤0.025 ≤0.015 ≤0.45 ≤0.10 ≤0.05 ≤0.04
Alloy square rectangular tube Also known as square and rectangular cold formed hollow steel, referred to as square pipe and rectangular pipe, code F and J respectively 1. Alloy square rectangular tube The allowable deviation of wall thickness shall not exceed positive or negative 10% of the nominal wall thickness when the wall thickness is less than 10mm, and positive or negative 8% of the nominal wall thickness when the wall thickness is greater than 10mm, except for the wall thickness of the corner and weld zone. 2. Alloy square rectangular tube Usually the delivery length is 4000mm-12000mm, with 6000mm and 12000mm in the majority. Square rectangular tube allows delivery of not less than 2000mm short and irregular products, can also be delivered in the form of interface tube, but the customer should remove the interface tube when using. The weight of short and irregular length products shall not exceed 5% of the total delivery quantity, and for square rectangular tubes with theoretical weight greater than 20kg/m shall not exceed 10% of the total delivery quantity 3. Alloy square rectangular tube The bending must not be greater than 2mm per meter and the total bending must not be greater than 0.2% of the total length 4. Alloy square rectangular tube According to the production process: hot rolled seamless square tube, cold drawn seamless square tube, squeeze seamless square tube, welded square tube. The welded square pipe is divided into 1, according to the process: arc welding square tube, resistance welding square tube (high frequency, low frequency), gas welding square tube, furnace welding square tube 2, according to the weld - straight seam welding square pipe, spiral welding square pipe.

Section Shape Classification

Square pipes are classified according to section shape: 1, simple section of square tube: square tube, rectangular square tube. 2, complex section square tube: flower shaped square tube, open square tube, corrugated square tube, shaped square tube.

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