What it is
Angle steel is an L-shaped hot-rolled section used in frames, towers, brackets, and supports. Sold by weight, it shares the section-weight shortfall risk of other long products — thinner legs than specified while invoicing standard weight.
Grades & standards buyers order
| Grade | Standard | Notes |
|---|---|---|
| Q235B | GB/T 700 | Chinese general structural grade. |
| S235 / S275 | EN 10025 | European structural grades. |
| A36 | ASTM A36 | US structural grade. |
How it's sold: Sold by metric ton; specify equal/unequal angle, leg dimensions, thickness, length, and grade.
What drives the price
- Grade and size
- Thickness (drives weight per meter)
- Length and cutting
Lock these into the contract before you pay
Leg dimension AND thickness
Thin legs invoiced at standard weight is the core angle-steel loss.
Weight per meter
Confirm the kg/m so under-rolled bar is caught.
Grade and standard
Specify the standard your design references.
Scams most common to angle steel
Red flags in a quote or sample
- Thickness not stated with the leg size
- Weight per meter omitted
- Price below the grade's cost floor
Already paid and something's wrong?
If you received off-spec angle steel, a certificate that doesn't match, or your supplier has gone quiet after a deposit, move quickly. Recovery odds drop with every day that passes on a wire transfer.
Buying angle steel from China: FAQ
What grades of angle steel can I buy from China?
The most commonly ordered grades are Q235B, S235 / S275, A36. Always pair the grade with its standard on the purchase order so the mill test certificate can be matched to what you actually receive.
What is the most common scam when buying angle steel from China?
Grade Substitution (lower grade shipped than ordered). For this product specifically: Thinner or lower-grade angle shipped as the ordered size/grade. The defense is to specify the exact grade and standard, require a verifiable mill test certificate, and commission independent pre-shipment inspection.
What should I check before paying for angle steel?
Lock down leg dimension and thickness, weight per meter, grade and standard in the contract, verify the supplier is a real manufacturer, and never release the balance until an independent inspection confirms the goods.
I already paid a Chinese supplier for angle steel — what now?
Act fast: contact your bank about a recall on the wire, gather all contracts and communications, report the pattern so others are warned, and review the documented cases to understand your options. The sooner you act on a redirected or disappeared payment, the better the odds.
Related product guides
H-beam
Hot-rolled structural sections for buildings. Section-weight (kg/m) shortfall and grade substitution are the main risks.
Rebar
Ribbed reinforcing bar for concrete. High-volume, price-sensitive, and a frequent target for grade substitution and theoretical-weight billing.
Steel plate
Thick flat steel for structures, ships, and pressure vessels. Grade/impact-class substitution and thickness shortfall are the key risks.