Bobina laminada en caliente Q235 A106 ST37

◆  Normas

Acero Q235	GB/T 700	ASTM	DIN EN 10025	JIS	NF EN10025	licenciatura	ISO630
	Q235A	Grado D		SS440 SM400A		080A15	E235B
	Q235B	Grado D	S235JR S235JRG1 S235JRG2		S235JR S235JRG1 S235JRG2	080A15 S235JR S235JRG1 S235JRG2
	Q235C	Grado D Gr.65	S235JO	SM400A SM400B	S235JO	080A15 S235JO	E235C
	Q235D	Grado D	S235J2G3 S235J2G4	SM400A	S235J2G3 S235J2G4	S235J2G3 S235J2G4	E235D

El acero ST37 es un grado de material de acero estructural al carbono alemán, que consta de muchos grados pequeños, como: St37-2, St37-3U, St37-3n, RSt-2, USt37-2, etc. El acero ST37 corresponde a la marca china Acero Q235B.

El acero A106 es un material estándar estadounidense, que incluye tres grados de A, B y C. Entre ellos, el acero A106A es similar al acero doméstico 20#; El acero A106B es similar al acero doméstico Q235; A106C es similar al acero Q345.

◆  Propiedades

Propiedades químicas:

Bobina laminada en caliente Q235	Código de número uniforme	Calificación	Método de desoxigenación	C	Si	Minnesota	PAG	S
	U12352	A	F, Z	≤0.22	≤0.35	≤1,40	≤0.045	≤0.050
	U12355	B		≤0.20b _				≤0.045
	U12358	C	Z	≤0.17			≤0.040	≤0.040
	U12359	D	TZ				≤0.035	≤0.035
a Los números uniformes de grados de acero calmado y acero calmado especial se muestran en la tabla, y los códigos numéricos unificados de los grados de acero en ebullición son los siguientes: Q235AF--U12350, Q235BF--U12353. b Con el consentimiento del comprador, el contenido de carbono de Q235B no puede exceder el 0,22 %.

A106 steel: A106A contains C and Si elements; A106B and A106C contain C, Mn, Si and other elements.

Mechancal properties:

Q235 Steel

Grade

Yield Strength ReH/(N/mm2)

Tensile strength b Rm/(N/mm2)

Elongation after break A/%

Impact test (V-notch)

Thickness (or diameter)/mm

Thickness (or diameter)/mm

temperature/℃

Impact absorption energy (longitudinal)/J

≤16

＞16~40

＞40~60

＞60~100

＞100~150

＞150~200

≤40

＞40~60

＞60~100

＞100~150

＞150~200

A

≥235

≥225

≥215

≥215

≥195

≥185

370~500

≥26

≥25

≥24

≥22

≥21

-

-

B

+20

27c

C

0

D

-20

b For steel with a thickness greater than 100mm, the lower limit of tensile strength is allowed to be reduced by 20N/mm2. The upper limit of tensile strength of wide-band steel (including shear steel plate) is not a delivery condition. c For Q235B grade steel products with a thickness less than 25mm, if the supplier can ensure that the value of the impact absorption energy is qualified, the inspection may not be carried out with the consent of the buyer.

Q235 Hot Rolled Coil	Specimen Direction	Cold bending test 180°   B=2αa
		Steel thickness (or diameter)b / mm
		≤60	＞60~100
		Center diameter d
	vertical	0.5α	1.5α
	horizontal	α	2α
a  B is the width of the sample, and α is the thickness (or diameter) of the sample. b  When the thickness (or diameter) of the steel is greater than 100mm, the bending test shall be determined through negotiation between the two parties.

◆ Characteristic

Q235 hot rolled coil, also known as A3 hot-rolled coil, is a common carbon structural steel. Q represents the yield limit of this hot-rolled coil, and the latter 235 refers to the yield value of this hot-rolled coil, which is about 235MPa. However, the yield value of Q235 carbon steel coil will decrease with the increase of thickness. Due to the moderate carbon content, good overall performance, and good matching of strength, plasticity and welding performance, it is the most widely used.

◆ Industry&Application

1. Widely used in construction and engineering structures. It is used to make steel bars or build factory building frames, high-voltage transmission towers, bridges, vehicles, boilers, containers, ships, etc., and is also widely used as mechanical parts that do not require high performance. Grade C and D steels of Q253 carbon steel can also be used as some professional steels.

2. Q235 steel can be used for various mold handles and other unimportant mold parts.

3. Q235 steel is used as the punch material, which can be used directly without tempering after deep fire, with a hardness of 36-40HRC, which solves the phenomenon that the punch breaks during use.

◆ Purchasing Information

Product name	Q235 Hot Rolled Coil; A106 steel; ST37 steel
Standard	GB,JIS,ASTM,BS,DIN,ISO...
Thickness	Hot Rolled: 4-100mmCold Rolled:0.2-4mm
Width	500-3000mm
Weight	4-5tons/roll (Or as custom)
Certification	ISO9001, SGS, BV,CE
Trade Terms	EXW,FOB,CIF CFR
Loading Port	TIANJIN,SHANGHAI,DALIAN QINGDAO,etc
Payment terms	1) 30% deposit by T/T, the balance against copy of B/L by T/T.
	2) 30% deposit by T/T, the balance by L/C at sight.
	3) 100% L/C at sight.
Packing Detail	Standard export package:Wooden pallet +paperboard +steel strip Customized requirements are accepted
Delivery time	Usually 7-15 days, or upon negotiation
Samples	Free samples are provided but the fright is borne by the buyer
*If you do not find what you are looking for, please call us now. If you have found it, we are happy to answer any questions or concerns you may have about stainless steel grades and assist you through the purchasing process.

El grado de acero de nuestros productos tiene acero estructural al carbono, acero al carbono para herramientas, acero al carbono para resortes, acero inoxidable, acero resistente al calor, acero resistente al desgaste, acero aleado para resortes, acero estructural aleado, acero para rodamientos, acero aleado para herramientas, herramienta de alta aleación. acero, acero para herramientas de alta velocidad, aleaciones de alta temperatura, aleación eléctrica, aleación de precisión, acero de baja temperatura, acero eléctrico, hierro dúctil, hierro fundido gris, etc. Podemos proporcionar acero profesional, como acero para puentes, acero para barcos, acero para calderas , acero para recipientes a presión, acero para maquinaria agrícola, etc.

◆  Preguntas frecuentes