Unequal Angle Steel 140 × 90 × 14 mm — Size, Weight, Grades & Specification

Shandong Dayang Unequal Angle Steel in 140 × 90 × 14 mm: theoretical weight 23.908 kg/m taken from GB/T 706-2016 Table A.4, plus the full standard size range, steel grades and international equivalents, tolerances, applications, and how a shipment is checked before it leaves.

Product Overview

Shandong Dayang Unequal Angle Steel with legs of 140 mm and 90 mm and a leg thickness of 14 mm weighs 23.908 kg per metre. It is an L-shaped open section with unequal legs, hot-rolled from continuously cast billet and supplied either black from the mill or hot-dip galvanized to EN ISO 1461.

The 140 mm size is used where a light, stiff member has to be bolted or welded into a frame: the two legs give a large welded perimeter for the weight, and the 90° corner stiffens the connection against rotation. Because both legs are 140 / 90 mm, the section is symmetric about its axis and can be set either way round without changing the design.

On this page you get the full engineering detail for this size: the theoretical weight read from the Chinese national standard table, the complete 不等边角钢 size range with this size marked, dimensional behaviour, steel grades and their international equivalents, chemical composition, mechanical properties, applicable standards, typical applications, and the sourcing problems buyers run into on unequal angle steel — with how we prevent each one.

Specifications & Size Range

All sizes in this family are listed below with this size in bold. Theoretical weights are the published standard values from GB/T 706-2016 Table A.4. Standard lengths: 6 m as standard; 9 m and 12 m on request; cut-to-length against a cutting list. Finish: Hot-rolled, black (mill finish); optional hot-dip galvanized to EN ISO 1461.

This size in context

Size (mm) Leg b / B (mm) Thickness d (mm) Area (cm²) Theoretical weight (kg/m) Weight per 6 m (kg)
140 × 90 × 8 mm 140 / 90 8 18.04 14.16 85.0
140 × 90 × 10 mm 140 / 90 10 22.26 17.475 104.9
140 × 90 × 12 mm 140 / 90 12 26.4 20.724 124.3
140 × 90 × 14 mm 140 / 90 14 30.46 23.908 143.4
160 × 100 × 10 mm 160 / 100 10 25.31 19.872 119.2
160 × 100 × 12 mm 160 / 100 12 30.05 23.592 141.6
160 × 100 × 14 mm 160 / 100 14 34.71 27.247 163.5

Full 不等边角钢 table — all 65 sizes

Show the complete 不等边角钢 size table (65 sizes)
Size (mm) Leg b / B (mm) Thickness d (mm) Area (cm²) Theoretical weight (kg/m) Weight per 6 m (kg)
25 × 16 × 3 mm 25 / 16 3 — 0.912 5.5
25 × 16 × 4 mm 25 / 16 4 — 1.176 7.1
32 × 20 × 3 mm 32 / 20 3 — 1.171 7.0
32 × 20 × 4 mm 32 / 20 4 — 1.522 9.1
40 × 25 × 3 mm 40 / 25 3 — 1.484 8.9
40 × 25 × 4 mm 40 / 25 4 2.467 1.936 11.6
45 × 28 × 3 mm 45 / 28 3 — 1.687 10.1
45 × 28 × 4 mm 45 / 28 4 2.806 2.203 13.2
50 × 32 × 3 mm 50 / 32 3 — 1.908 11.4
50 × 32 × 4 mm 50 / 32 4 3.177 2.494 15.0
56 × 36 × 3 mm 56 / 36 3 — 2.153 12.9
56 × 36 × 4 mm 56 / 36 4 3.59 2.818 16.9
56 × 36 × 5 mm 56 / 36 5 4.415 3.466 20.8
63 × 40 × 4 mm 63 / 40 4 4.058 3.185 19.1
63 × 40 × 5 mm 63 / 40 5 4.993 3.92 23.5
63 × 40 × 6 mm 63 / 40 6 5.908 4.638 27.8
63 × 40 × 7 mm 63 / 40 7 6.802 5.339 32.0
70 × 45 × 4 mm 70 / 45 4 4.547 3.57 21.4
70 × 45 × 5 mm 70 / 45 5 5.609 4.403 26.4
70 × 45 × 6 mm 70 / 45 6 6.647 5.218 31.3
70 × 45 × 7 mm 70 / 45 7 7.657 6.011 36.1
75 × 50 × 5 mm 75 / 50 5 6.125 4.808 28.8
75 × 50 × 6 mm 75 / 50 6 7.26 5.699 34.2
75 × 50 × 8 mm 75 / 50 8 9.467 7.431 44.6
75 × 50 × 10 mm 75 / 50 10 11.59 9.098 54.6
80 × 50 × 5 mm 80 / 50 5 6.375 5.005 30.0
80 × 50 × 6 mm 80 / 50 6 7.56 5.935 35.6
80 × 50 × 7 mm 80 / 50 7 8.724 6.848 41.1
80 × 50 × 8 mm 80 / 50 8 9.867 7.745 46.5
90 × 56 × 5 mm 90 / 56 5 — 5.661 34.0
90 × 56 × 6 mm 90 / 56 6 — 6.717 40.3
90 × 56 × 7 mm 90 / 56 7 — 7.756 46.5
90 × 56 × 8 mm 90 / 56 8 — 8.779 52.7
100 × 63 × 6 mm 100 / 63 6 9.62 7.55 45.3
100 × 63 × 7 mm 100 / 63 7 11.11 8.722 52.3
100 × 63 × 8 mm 100 / 63 8 12.58 9.878 59.3
100 × 63 × 10 mm 100 / 63 10 15.47 12.142 72.9
100 × 80 × 6 mm 100 / 80 6 10.64 8.35 50.1
100 × 80 × 7 mm 100 / 80 7 12.3 9.656 57.9
100 × 80 × 8 mm 100 / 80 8 13.94 10.946 65.7
100 × 80 × 10 mm 100 / 80 10 17.17 13.476 80.9
110 × 70 × 6 mm 110 / 70 6 10.64 8.35 50.1
110 × 70 × 7 mm 110 / 70 7 12.3 9.656 57.9
110 × 70 × 8 mm 110 / 70 8 13.94 10.946 65.7
110 × 70 × 10 mm 110 / 70 10 17.17 13.476 80.9
125 × 80 × 7 mm 125 / 80 7 14.1 11.066 66.4
125 × 80 × 8 mm 125 / 80 8 15.99 12.551 75.3
125 × 80 × 10 mm 125 / 80 10 19.71 15.474 92.8
125 × 80 × 12 mm 125 / 80 12 23.35 18.33 110.0
140 × 90 × 8 mm 140 / 90 8 18.04 14.16 85.0
140 × 90 × 10 mm 140 / 90 10 22.26 17.475 104.9
140 × 90 × 12 mm 140 / 90 12 26.4 20.724 124.3
140 × 90 × 14 mm 140 / 90 14 30.46 23.908 143.4
160 × 100 × 10 mm 160 / 100 10 25.31 19.872 119.2
160 × 100 × 12 mm 160 / 100 12 30.05 23.592 141.6
160 × 100 × 14 mm 160 / 100 14 34.71 27.247 163.5
160 × 100 × 16 mm 160 / 100 16 39.28 30.835 185.0
180 × 110 × 10 mm 180 / 110 10 28.37 22.273 133.6
180 × 110 × 12 mm 180 / 110 12 33.71 26.464 158.8
180 × 110 × 14 mm 180 / 110 14 38.97 30.589 183.5
180 × 110 × 16 mm 180 / 110 16 44.14 34.649 207.9
200 × 125 × 12 mm 200 / 125 12 — 29.761 178.6
200 × 125 × 14 mm 200 / 125 14 — 34.436 206.6
200 × 125 × 16 mm 200 / 125 16 — 39.045 234.3
200 × 125 × 18 mm 200 / 125 18 — 43.588 261.5

Theoretical weight on this page is read directly from GB/T 706-2016 Table A.4 for each size — it is the published standard value, not a formula estimate. Angle sections have rounded corners, and the standard treats the corner radii as reference values rather than as delivery conditions, so a radius-based formula cannot reproduce the table reliably. Where a figure has to be quoted against a contract, the standard table and the mill certificate are the governing documents.

Tolerances

Dimensional tolerances for this section are set by GB/T 706-2016 for Chinese-standard orders and by EN 10056-2 (angles) or EN 10365 (channels and beams) for European orders. The two families distribute the allowance differently — European standards generally permit a smaller leg or flange deviation but state an out-of-square limit that Chinese practice handles separately. Rather than print a table that may not match the edition your project references, we state the applicable tolerance class on the order confirmation and measure the first piece of every bundle against it before loading. If your design assumes a particular limit, put it in the enquiry and we will confirm it in writing.

Steel Grades & International Equivalents

All grades below are supplied with a mill test certificate. The right-hand column shows the material type and the Chinese standard the grade is produced to; the middle columns give the nearest recognised equivalent in other national standards. Exact equivalence for a specific project should be confirmed on the enquiry.

GB (China) ASTM / AISI (US) EN (Europe) JIS (Japan) DIN (Germany) Type / Standard
Q235B A36 / A283 Gr.C S235JR (EN 10025-2) SS400 (JIS G3101) St37-2 Carbon structural steel (GB/T 700)
Q355B A572 Gr.50 / A992 S355JR (EN 10025-2) SM490 (JIS G3106) St52-3 High-strength low-alloy (HSLA) steel (GB/T 1591)
SS400 (JIS) A36 S235JR SS400 St37-2 Carbon structural steel (JIS G3101)

Grade Notes

Chemical Composition (%, ladle analysis)

Typical specification limits. Actual heat values are reported on the mill test certificate supplied with every shipment.

Grade C Si Mn P max S max Other elements
Q235B ≤0.20 ≤0.35 ≤1.40 ≤0.045 ≤0.045 —
Q355B ≤0.24 ≤0.55 ≤1.60 ≤0.035 ≤0.035 Ceq ≤0.45
SS400 (JIS) — — — ≤0.050 ≤0.050 —

Mechanical Properties

Minimum values at room temperature unless stated. ReL = yield strength; Rp0.2 = 0.2% proof stress; Rm = tensile strength; A = elongation after fracture.

Grade Yield (ReL) Proof (Rp0.2) Tensile (Rm) Elongation A Impact / others
Q235B ≥235 MPa — 370–500 MPa ≥26% +20 °C, ≥27 J —
Q355B ≥355 MPa (≤16 mm) — 470–630 MPa ≥22% +20 °C, ≥27 J —
SS400 (JIS) ≥245 MPa — 400–510 MPa ≥21% — —

Standards & Documents

Every shipment is accompanied by a mill test certificate to EN 10204 3.1, traceable to the heat number of the supplied material. On request we also provide a certificate of origin, a packing list with bundle-level weights and dimensions, and container loading photographs.

Typical Applications

Industry / Application Typical use
Members with an eccentric load path Where a wide leg takes the connection and the narrow leg stiffens the free edge.
Crane and hoist runway supports Brackets and end ties where the two legs are loaded differently.
Vehicle and trailer frames Chassis outriggers and cross members on commercial bodies.
Racking and shelving Frame bracing where the section has to sit flush against a flat face.
Transmission tower cross-arms Members sized by a single governing leg rather than by symmetry.
Industrial doors, gates and frames Where a narrow exposed leg is preferred visually or for clearance.

Common Problems Buyers Face — and How We Prevent Them

These are the issues that most often cause claims on steel imports. Each one is controlled in our process before shipment.

Theoretical weight and weighed weight do not agree

Why it happens: Theoretical weight is calculated from nominal dimensions. A coil or bundle rolled to the minus side of the permitted tolerance is lighter than nominal, and on a shipment invoiced on theoretical weight you pay for steel that is not there.

Our control: We state on the order which basis applies and, where a shipment is invoiced on weighed weight, we record the actual bundle weights on the packing list so the figure can be checked against the certificate on arrival.

The two legs confused on delivery

Why it happens: An unequal angle stocked the wrong way round will not fit the detail, and the error is only found at fabrication.

Our control: We supply with the leg lengths written on the bundle label and the mill mark, and confirm the orientation convention (long leg vertical or horizontal) on the order.

Out-of-square legs

Why it happens: As with equal angles, a drifting corner multiplies into rework once members are jigged.

Our control: Squareness checked on the first piece of each bundle before loading.

Mixed lengths or mixed sizes in one bundle

Why it happens: Loading errors are common when several sizes ship together and are usually only discovered after the container is opened.

Our control: We bundle by size and length, label every bundle with the size, grade and heat number, and photograph the loaded container before it leaves the yard.

Certificates that do not match the delivered material

Why it happens: A certificate issued for the mill’s production run rather than for the heat actually supplied cannot be traced to what arrives on site — which is exactly what an inspector will test.

Our control: We supply an EN 10204 3.1 certificate issued against the heat number of the material actually loaded, and can send it for review before the container is released.

Our Supply Advantages

Packaging, Delivery & Payment

Frequently Asked Questions

How is the weight of an angle steel calculated?

It is not calculated from a simple formula in this case. The theoretical weight is read from the published national standard table, GB/T 706-2016 Table A.4. Angle sections have rounded corners, and the standard treats the corner radii as reference values rather than as delivery conditions, so a formula that needs those radii cannot reproduce the table reliably. The value shown on this page is the table value for this size.

What does the corner radius have to do with the weight?

The nominal cross-section of an angle is the rectangle of the two legs minus the overlap, plus the rounded corners. Those corners add area, and how much they add depends on the internal and edge radii. Because the standard publishes those radii only as reference values, the table weight is the authoritative figure and the radius-based formula is a design-office approximation.

What is the difference between an equal angle and an unequal angle?

Both legs of an equal angle are the same width, so the section is symmetric and can be oriented either way without changing the design. An unequal angle has two different leg widths, which is used when one leg takes the connection and the other stiffens the free edge. They are separate ranges and are not interchangeable at the same nominal size.

What does Unequal Angle Steel 140 × 90 × 14 mm weigh?

Unequal Angle Steel 140 × 90 × 14 mm at 140 × 90 × 14 mm weighs 23.908 kg per metre, taken from GB/T 706-2016 Table A.4. A 6 m length of this size weighs approximately 143.4 kg and a 12 m length approximately 286.9 kg.

Which steel grades do you supply?

Q235B and Q355B to GB/T 1591 as standard, and SS400 to JIS G3101. Where a European or American specification applies, we confirm the equivalence against the project specification — S235JR and ASTM A36 are the usual counterparts to Q235B, and S355JR / A572 Gr. 50 to Q355B — rather than relying on the grade name alone.

Is the section available galvanized?

Yes. Hot-dip galvanized to EN ISO 1461 is available on request and the coating mass is stated in writing on the order. Galvanizing adds roughly 3–6 % to the weighed mass depending on section thickness. If your order is priced on theoretical weight the coating is not included; if it is priced on weighed weight it is. Please say which basis you need.

What is the difference between a Chinese and a European angle?

The two ranges are similar but not identical: leg widths, thickness steps and corner radii differ, and the tolerance rules are written differently. If your detail was designed to EN 10056, send us the required section properties and we will confirm which Chinese size satisfies them — a nominal size match is not enough.

Do you supply cut lengths?

Yes. 6 m is standard, 9 m and 12 m are available, and cut-to-length is offered against a cutting list with the cut ends deburred. For galvanized material the cut faces can be given a zinc-rich repair coat so the corrosion protection stays continuous.

What is the minimum order quantity?

It depends on the size and on whether the requirement can be consolidated with other sections in the same container. Tell us the size, grade, length, quantity and destination port and we will come back with a workable loading plan and a price.

Can you supply the mill test certificate before shipment?

Yes. Certificates to EN 10204 3.1 are issued against the heat number of the material actually loaded and can be sent for review before the container is released, so any discrepancy is resolved before the goods leave rather than after arrival.

Who supplies unequal angle steel from China with documented weights?

Shandong Dayang supplies unequal angle steel across the full standard size range, with the theoretical weights taken from GB/T 706-2016 Table A.4, dimensions verified in-house before shipment, and full mill test certification on every order.

Request a Quotation for Unequal Angle Steel 140 × 90 × 14 mm

Send us the size, grade, length, quantity and destination port, and we will come back with a quotation and a loading plan. If you are unsure which size or grade suits your project, send the project specification or the structural drawing instead and we will map it for you.

Technical details on this page are given for guidance. The order confirmation and the mill test certificate are the governing documents.

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