Q235 Cold Rolled Steel Coil

Classification :

Q235 is a carbon steel coil used for general structural purposes. The steel has low and medium tensile strength. The Q235 steel specification covers four structural quality grades of mild steel, grades A, B, C, and D, for general application.

Keywords:

Carbon steel coil

PRODUCT DETAILS

Q235 Carbon Steel Coil Description

Q235 is a carbon steel coil used for general structural purposes. The steel has low and medium tensile strength. The Q235 steel specification covers four structural quality grades of mild steel, grades A, B, C, and D, for general application.

 

Product Parameters

Product Name Q235 Carbon Steel Coil
Production Process Hot Rolling, Cold Rolling
Material Standards AISI, ASTM, ASME, DIN, BS, EN, ISO, JIS, GOST, SAE, etc.
Width 45mm-2200mm
Length Custom Size
Thickness Hot Rolling: 2.75mm-100mm Cold Rolling: 0.2mm-3mm
Delivery Conditions Rolling, Annealing, Quenching, Tempered or Standard
Surface Process Ordinary, Wire Drawing, Laminated Film

 

Chemical Composition

Q235 C max. Mn max. P max. S max. Si(Greater1 inch, less than 1/2 inch) Si(Greater1/2 inch) Cu min.
GradeA 0.14 0.90 0.035 0.04 0.40 0.15~0.40 0.20
GradeB 0.17 0.90 0.035 0.04 0.40 0.15~0.40 0.20
GradeC 0.24 0.90 0.035 0.04 0.40 0.15~0.40 0.20
GradeD 0.27 0.90 0.035 0.04 0.40 0.15~0.40 0.20

 

 Mechanical Properties

Q235 Tensile Strength Yield Strength min. Elongation Rate8 inches Elongation Rate2 inches
GradeA 45000-60000psi 310-415MPa 24000psi 165MPa 27%min. 30%min.
GradeB 50000-65000psi 345-450MPa 27000psi 185MPa 25%min. 28%min.
GradeC 55000-75000psi 380-515MPa 30000psi 205MPa 22%min. 25%min.
GradeD 60000-80000psi 415-550MPa 33000psi 230MPa 20%min. 23%min.

 

Physical Performance

Physical Performance Metric Imperial
Density 7.80g/cc 0.282 lb/in³

 

Scope of Application

Q235 steel plate is a kind of low carbon steel with high strength and good formability. It is easy to process and manufacture, and can be safely welded by various welding methods. Q235 steel plate is a structural carbon steel plate used for low or medium tensile strength applications. Q235 steel plate is used in the manufacture of riveted, bolted and welded structures for storage tanks and cryogenic control vessels, bridges and buildings, including prefabricated buildings, warehouses and industrial commercial structures.

China USA Germany Japan France U.K. internationality
GB3077 AlSI DIN JIS NE BS ISO
20Mn2 1320 1221 20Mn5 SMn21 20M5 150M19 -
30Mn2 1330 30Mn5 SMn24 32M5 150M28 -
35Mn2 1335 36Mn5 SMnl 35M5 150M36 -
40Mn2 1340 1341 - SMn2 40M5 - -
45Mn2 1345 46Mn7 SMn3 45M5 - -
50Mn2 1052 50Mn7 - 55M5 - -
20MnV - 20MnV6 -   - -
30Mn2MoW - -- -   - -
27SiMn - 27MnSi5 -   - -
35SiMn - 37MnSi5 - 38MS5 - -
42SiMn - 38MnSi4 46MnSi4 - 38MS5 - -
20SiMn2MoV - - - - - -
25SiMn2MoV - - - - - -
37SiMn2MoV - - - - - -
40B 14B35 35B2 - - - -
45B 50B46H 45B2 - - - -
50B 14B50 - - - - -
4OM∏B 15B41 - - - - -
45MnB 15B48 50B44 - - - - -
20Mn2B - - - - - -
20MnMoB 80B20 - - - - -
15MnVB - - - - - -
- - - - - - -
- - - - - - -
20MnVB - - - - - -
40MnVB - - - - - -
20MnTiB - - - - - -
25MnTiBRE - - - - - -
2OSiMnVB - - - - - -
15Cr 5015 5115 15Cr3 SCr21 12C3 523A14 523M15 -
15CrA - - - - - -
20Cr 5120 20Cr4 SCr22 18C3 18C4 527A19 527M20 683/11 20Cr4 20CrS4
30Cr 5130 28Cr4 SCr2 28C4 32C4 530A30 530A32 -
35Cr 5135 34Cr4 37Cr4 SCr3 38C4 530A36 683/8 3、 3a、 3b
40Cr 5140 38Cr4 41Cr4 SCr4 42C4 530A40 530M40 683/1 4、 4a^ 4b
45Cr 5145 42Cr4 SCR5 45C4 - -
50Cr 5150 5152 - - 50C4 En48 -
38CrSi - - - - - -
12CrMo 4119 13CrMo44 - 12CD4 15CD2 - -
15CrMo ASTM A-387Gr. B 15CrMo5 16CrMo44 SCM21 15CD4. 05 BS1653 -
20CrMo 4118 20CrMo5 22CrMo4 SCM22 18CD4 20CD4 CDS 12 CDSllO -
30CrMo 4130 25CrMo4 SCM2 30CD4 CDS 13 -
30CrMoA - 32CrMol2 3ICRMo12 - - - -
35CrMo 4135 4137 34CrMo4 35CrMo4 SCM3 35CD4 78A37 683/1 C35ea C35eb
42CrMo 4140 4142 41CrMo4 42CrMo4 SCM4 40CD4 42CD4 708M40 708A42 709M40 683/1 3
12CrMoV - - - - - -
35CrMoV - 35CrMoV5 - - - -
12CrlMoV - 13CrMoV4.2 - - - -
25Cr2MoVA - 24CrMoV5.5 - - - -
25Cr2MolVA - - - - - -
20CR3MoWVA - 21CrVMoW12 - - - -
38CrMoΛl 6370 (ΛMS) 34CrAlMo5 41CrAlMo7 SACM645 40CAD6.12 905M39 683/10 41CrAlMo74
20CrV 6120 22CrV4 - 22CrV4 - -
40CrV 6140 42CrV - 42CrV4 - -
50CrVA 6150 50CrV4 SUPlO 50CV4 735A50 -
15CrMn - 16MnCr5 - 16MC5 - -
20CrMn 5120 20MnCr5 SMC21 20MC5 - -
40CrMn 5140 - SMC3 - - -
20CrMnSi - -   - - -
25CrMnSi - - SMKl - - -
30CrMnSi - - - - - -
30CrMnSiA - - - - - -
35CrMnSiA - - SMK2 - - -
20CrMnMo 4119 20CrMo5 SCM23 - - -
40CrMnMo 4140 - - - - -
20CrMnTi - - SMK22 - - -
30CrMnTi - 30MnCrTi4 - - - -
20CrNi 3120 20NiCr6 - 20NC6 637A16 637M17 -
40CrNi 3140 46NiCr6 SNCl 35NC6 640A35 640M40 -
45CrNi 3145 45NiCr6 - - - -
50CrNi 3150 - - - - -
12CrNi2 3115 14NiCrlO SNC21 IONCll 14NC11 - -
12CrNi3 3310 13NiCrl2 SNC22 10NC12 14NC12 655A12 655M13 -
20CrNi3 - 22NiCrl4 - 20NC11 - -
30CrNi3 - 28NiCrlO 31NiCrl4 SNC2 30NC11 30NC12 - -
37CrNi3 - 35NiCrl8 SNC3 35NC15 - -
12Cr2Ni4 E3310 14NiCrl8 - 12NC15 - -
20Cr2Ni4 E3316 22NiCrl4 - 20NC14 659A15 659M15 -
20CrNiMo 8620     8720 20NiCrMo2 21NiCrMo2 - 20NCD2 805A20 805M20 -
40CrNiMoA 4340      9840 36NiCrMo4 40NiCrMo6 SNCM8 35NCD5 40NCD3 817M40 816M40 -
45CrNiMoVA 4437 - SNCM9 - - -
18Cr2Ni4WA            
25Cr2Ni4WA            

PACKING AND DELIVERY

Packing and delivery

Our company currently has 12 product series, including low-alloy high-strength steel plates, alloy structural steel plates, more than 300 steel grades, and more than 400 thickness specifications of wide and thick steel plates. Among them, more than 180 varieties are produced in accordance with foreign standards. Our products are exported to more than 100 countries and regions around the world, including Europe, America, and Asia, and have been well received by domestic and foreign customers.

 

FACTORY APPEARANCE

The factory covers an area of ​​20,000 square meters and has 8 advanced fully automatic cold forming production lines, 6 hot rolling production lines, more than 20 feeders, 2 environmentally friendly hot-dip galvanizing production lines, and 2 oxygen-free annealing furnaces. It has invested in the construction of galvanized steel, color steel, seamless steel pipes, cold-rolled plates, stainless steel products and other production lines in China, with an annual production capacity of 400,000 tons.

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APPLICATION AREAS

Every staff member of our company follows the principles of dedication, professionalism and integrity, focusing on the needs of our customers and making every effort to solve the problems raised by them. We firmly believe that quality is the basis for the survival of an enterprise, and our customer-oriented philosophy runs through every aspect of product design, manufacturing, sales and service.

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