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Steel is an alloy consisting mostly iron. Depending on the grade it contains
between 0.2% and 2.1% of carbon that is the most cost-effective alloying
material.
Apart of carbon, there are various other alloying elements used (manganese,
chromium, vanadium, and tungsten). Carbon and other elements act as a
hardening agent. Varying the amount of alloying elements in the steel
controls the hardness, ductility, and tensile strength of the
resulting steel. Steel with higher content of carbon is less ductile but
can be made harder and stronger than iron. These alloys are known as
cast iron for their lower melting point and castability.
Two distinguishing factors for steel with small amount of carbon are steel's
increased rust-resistance and better weldability.
Steel is one of the most common materials and is a major component in
buildings, infrastructure, tools, ships, automobiles, machines, and
appliances.
Name
With the general structure of rolled steel
Model
SS330、SS400
Standard
JISG3101
Name
Model
SPHC、SPHD
Standard
JISG3131
Name
Heavy rail
Specification
38、43、45、50、60、75A、75R、90A、100A、UIC54
Steel grade
U71Mn、U71、U71Cu、U70MnSi、U71MnSiCu、BS11、UIC900A
Technical standard
GB2585-81 BS11-85 TB/T2344-93 Q/WG（DX）01-85 UIC860
Typical usage
Railway
Name
Rail for crane
Specification
QU80
Steel grade
U71Mn
Technical standard
YB/T5055-93
Typical usage
Crane
Name
I-beam
Specification
16、18、20、22、25
Steel
Name
Round steel
Specification
φ75-130
Steel grade
Q235、45#
Technical standard
GB704-88 GB702-96 GB699-88 Q/WG（DX）03-79
Typical usage
Axle, steel ball
Name
Flat steel
Specification
150×25 180×20
Steel grade
Q235
Technical standard
GB704-88 GB700-88 Q/WG（DX）04-86
Typical usage
Railway
Name
Fiat bulb steel
Specification
20、22
Steel grade
A、B
Name
Mine I-beam
Specification
工11、工12
Steel grade
Q275、Q345
Technical standard
YB2006-78 YB/T5047-93 Q/WG（DX）07-87
Typical usage
Tunnel propping and protecting
Name
Low carbon steel wire ob product by twistless hot-rolled with controlled cooling
Specification
φ5.5-φ20
Steel grade
Q195、Q215、Q235、SWRM6、SWRM8、SWRM10、SAE1006
Technical standard
GB/T14981-94 YB4027-91 ZBH44001-88 ASTMA510-91 GB/T701-1997 JISG3505-1980
Typical usage
Zn-,Cu-,and Cr- coating wire drawing, civilian construction
Name
Carbon steel wire rod by twistless hot-rolled controlled cooling for welding electrode
Specification
φ5.5-φ10
Steel grade
H08A、H08C、H08MnSiCuCrNi、H08Mn2SiA WQ-1、WQ-2、WQ-3
Technical standard
GB/T3429-94 GB/T14981-94 WJX（DX）
Typical usage
Welding rod of electric arc electrode for industry, communication and shipbuilding purposes
Name
Cold heading steel wire rod by twistless hot-rolled controlled cooling
Specification
φ5.5-φ20
Steel grade
ML10-ML45 SWRCH6A
Technical standard
GB/T14981-94 GB6478-86 JISG3507-1991
Name
Carbon Structural Steel Cold Rolled Steel Sheet (roll), and Steel
Brand
Q195
Q235-A
SPCC
ST12
Standard
GB11253-89
JISG3141
DIN1623
Uses
Used in automobile manufacturing, machinery manufacturing, light industrial, civil and construction
Name
Quality Carbon Structural Cold Rolled Steel Sheet (roll), and strip
Brand
08Al, Z, S, P
SPCD
ST14
Standard
GB710-88
JSG3141
DIN1623
Uses
Used in automobile manufacturing, tractors, light general metal forming parts
Name
Deep Drawing with the cold-rolled thin steel sheet and strip
Brand
08Al ZF, HF, F
SPCE
ST14
Standard
GB5213-85
JISG3141
DIN1623
Uses
Used in automotive and tractor manufacturing, forming a complex stampings
Name
Bicycle thin cold-rolled plate and strip
Brand
ZQ195
ZQ215
Z06Al
Standard
GB3644-89
Uses
Plate and strip for bicycle
Name
Co
Name
Continuous tin plating of steel sheet (roll)
Brand
MR, D
Standard
GB2520-2000
Uses
Used in food canning, chemical and medical packaging, textiles and electronics parts, etc.
Name
Color-coated steel plate (volume)
Brand
DL, DP, XT
Standard
GB/T12754-91
Uses
Used in construction, transportation, furniture, household appliances, electronics industry case structure and internal and external decoration
Name
200L steel drum with the cold-rolled thin steel sheet and strip
Brand
LT
XY1
XT2
Standard
YB/T055-94
Uses
Dedicated to manufacture of 200-liter drums
Name
Automotive carriages with cold-rolled thin steel sheet and strip
Brand
QG40
Standard
Q / WG (LA) 14-88
Uses
For the manufacture automobile carriages
Name
Atmospheric corrosion-resistant with the cold-rolled thin plate (volume)
Brand
05CuPCrNi
06CuPRE
Standard
WGJS21-2001
Uses
Rail veh
Name
Marine Container structural steel cold-rolled sheet and strip
Brand
J335
Standard
Q / WG (LZ) 17-92
Uses
Marine containers and other steel industry structure
Name
Double wall brazed tube with cold-rolled steel sheet
Brand
WBD
Standard
W / WG (LZ) 18-95
Uses
Refrigerator, automobile manufacturing and other industries double
Name
Semi-Craft-type cold-rolled non-oriented electrical steel strip
Brand
BDG
Standard
Q / WG (LZ) 19-96
Uses
For the manufacture of compressor motor iron core
Name
Posts mold plate and strip of PVC
Brand
QG40
Standard
Q / WG (TC) 01-94
Uses
PVC quote mold Substrates
Name
Color-coated steel with
Brand
QG40
Standard
Q / WG (LZ) 11-93