INTRODUCTION
Hongkong Ruikun Holdings Group Co., Ltd. is modern enterprise focusing on
steel trading and investment internationally. We are performance as
wholesaler, stockist, agent, processing and logistics company and being as
strategic sales partner of over 30 mills worldwide.
Shanghai Ruikun Metal Materials Co., Ltd., one of the largest member of our
group, mainly doing steel products in hot rolled series, cold rolled series,
stainless steel and constructional steel materials. Keeping good partnership
relations with Baosteel, Wisco, Ansteel, Shasteel, Sinosteel, POSCO, NSC
etc., and good resources help us being one of the top steel trading company in
recent years.
We operate depends on "honest & trusty", "win-win" model all the time, thus
makes us a good reputation in steel industry in China. We sale over 300,000
tons every year and developed several subsidiary companies or office in
costal cities in China.
We hope to cooperate with steel trading or end user companies worldwide.
Aiming at a long term, stable, both-win partner for steel business.
HRC
GB
STANDARD NO.
GB/T 912
GB/T 3274
EXAMPLES
Q235A、Q235B、Q235C、Q235D Q345A、Q345B、Q345C、Q345D、Q345E，ETC.
REMARKS
HR LOW CARBON AND LOW-ALLOY STEEL
INTERNATIONAL STANDARDS
JIS
STANDARD NO.
JIS G 3101
EXAMPLES
SS330、SS400、SS490、SS540
REMARKS
GENERAL STRUCTURAL STEEL
SM400A、SM400B、SM400C、SM490A、SM490B、SM490C、
JIS G 3106
WELDING STRUCTURAL STEEL
SM490YA、SM490YB、SM520B、SM520C
JIS G 3131
SPHC、SPHD、SPHE
HOT ROLLED LOW CARBON STEEL
JIS G 3132
SPHT1、SPHT2、SPHT3
TUBE MAKING STEEL
DIN
STANDARD NO.
EXAMPLES
REMARKS
DIN EN 10111
DD11、DD12、DD13
GENERAL STRUCTURAL STEEL
DIN EN 10025
S235JR、S235JRG2、S275JR
NON-ALLOY HR STRUCTURAL STEEL
DIN 17100
St33、St37-2、St37-3、St44-2、St50-2、St52-3
GENERAL STRUCTURAL STEEL
ASTM
STANDARD NO.
EXAMPLES
REMARKS
A36
A36
STRUCTURAL STEEL
A568
SAE1006、SAE1008、SAE1010、SAE1012、SAE1018
HOT ROLLED HIGH STRENGTH, LOW-ALLOY STEEL
A570
Grade33、Grade36、Grade40、Grade45、Grade50、Grade55
HR CARBON STRUCTRAL STEEL
A572
Grade50、Grade55、Grade65、A572
LOW CARBON HIGH STRENGTH WITH Nb/V
STRUCTURAL STEEL
API
STANDARD NO.
EXAMPLES
REMARKS
API 5L
Gr.B.X42、X46、X52、X56、X60、X70
LINE PIPE MAKING STEEL
THICKNESS (mm)
WIDTH (mm)
REMARKS
COILS: 1.5-2.5-20
PLATES: 6-100-300
COILS: 1000-1500-2010
PLATES: 1000-2500-4020
SPECIFICATIONS
COIL ID: 760mm(+20mm/-30mm)
PLATES: MID-PLATES, SHIP BUILING
PLATES
CRC
Cold-rolled Strip in Coil
Description
Steel Grade
Carbon sheet
SPCC﹑St12﹑DC01﹑Q235AB
High-quality sheet
20-45#﹑08-15#
High-quality carbon steel
08AL
Low carbon deep-drawing sheet
SC2﹑SPCE﹑ST14﹑DC04
Extra-deep drawing quality sheet
SC2﹑St15﹑DC05﹑SC3﹑St16﹑DC06﹑St17
Corrosion-resistant steel
05CuPCrNi﹑09CuPCrNi﹑Q345GNHL
Low carbon drawing sheet
SPCD﹑ST13﹑DC03
Deep-drawing sheet
SPCEN
Cold-rolled Silicon Steel available
JIS G3141-1996
EN10130-1999
DIN 1623(1)-1983
ASTM A1008-02el
GB/T 5213-2001
ISO3574-1994
SPCC
DC01
St12
CS
-
CR1
SPCD
DC03
RRSt13
DS
-
CR2
SPCE
DC04
St14
DDS
SC1
CR3
SPCEN
DC05
-
EDDS
SC2
CR4
-
DC06
-
-
SC3
CR5
Standard and appliation details in catalogue.
Specification：width≤1500mm，thickness 0.12mm~3.5mm
Coil weight：Max15MTs，Inside diameter：508/610mm
Surface finish: dull or bright
WIRE ROD
NO.
NAME
SEEC.（mm）
1
低碳钢热轧圆盘条
ф5.5-ф20
2
优质碳素钢无扭控冷热轧盘条（国标牌号）
ф5.5-ф20
GRADE
Q195 、Q215 、Q235
STANDARD
GB/T 701-2008
08～85
GB/T 4354-2008
15Mn～70Mn
3
中高碳钢无扭控冷热轧盘条
4
冷镦钢无扭控冷热轧盘条
5
预应力钢棒用无扭控冷热轧盘条
6
重要用途弹簧钢丝用无扭控冷热轧盘条
7
优质碳素钢无扭控冷热轧盘条（美标牌号）
ф5.5-ф20
SWRH27、SWRH32、SWRH37、SWRH42A（B）～ SWRH82A（B）、 JIS G 3506-2004
72B-1
Q/320582 SG6-2007
ф5.5-ф20
SWRCH6A～SWRCH22A、 SWRCH10K ～ SWRCH50K、 ML08Al 、
ML40Cr、ML20MnTiB、ML35CrMo、ML42CrMo
ф8、ф10、ф12、ф14
JJIS G 3507-2005
Q/320582 SG7-2009 GB/T
6478-2001
30MnSi、 30Si2Mn
Q/320582 SG15-2008
ф5.5-ф20
60Si2MnA、65Mn、 55SiCrA
Q/320582 SG16-2009
ф5.5-ф20
1005 ～ 1095SG1008
ASTM A510-2006
Q/320582 SG17-2007
8
钢帘线用无扭控冷热轧盘条
9
制丝用非合金钢盘条
ф5.5、ф6.5
ф5.5-ф20
SGLX72A、SGLX82A
Q/320582 SG19-2004
C4D～C38D、
YB/T 170.2-2000
C42DA（B）～C92DA（B）
10
钢棉钢用无扭控冷热轧盘条
11
气体保护焊丝用无扭控冷热轧盘条
ф6.5
ф5.5、ф6.5
SGM
SGJX-004-2005
ER70S-3、ER70S-4、ER70S-5、 ER70S-6、SG70S-6 Q/320582
Q/320582 SG18-2009
高强度预应力钢丝钢绞线用SWRH82B-1热轧盘
条
ф11-ф13
SWRH82B-1
SGJX-001-2006
13
预应力钢丝钢绞线用SWRH82B热轧盘条
ф11-ф13
SWRH82B
SGJX-008-2005
14
预应力镀锌钢丝及钢绞线用盘条
ф 11- ф 13
SWRS82B
Q/320582 SG31-2009
15
低碳钢纤维用无扭控冷热轧盘条
ф5.5
D42D/006
SGJX-005-2005
16
SG82B热轧盘条
SG82B
SGJX-009-2005
17
铜包钢丝用无扭控冷热轧盘条
ф 5.5- ф 8
SG6 ～ SG55
Q/320582 SG101-2006
18
钢筋混凝土用热轧光圆钢筋
ф 6- ф 20
HPB235 、 HPB300
GB 1499.1-2008
19
钢筋混凝土用热轧带肋钢筋
ф 6- ф 12
HRB335 、HRB400 、HRB500 、HRB335E、HRB400E、HRB500E
GB 1499.2-2007
12
ф5.5-ф8
REBAR
NO.
NAME
SPEC（mm）
GRADE
STANDARD
1
DEFORMING HRB
ф10-ф32
HRB335 、HRB400、HRB500 、HRB335E 、HRB400E 、HRB500E
GB 1499.2-2007
2
CARBON REBAR
ф10-ф32
BS460B
BS4449 ： 1997
3
REBAR
ф10-ф32
GR60
ASTM A 615
PLATE
NO.
CLASSIFCATION
1
CARBON STRUCTURAL STEEL
2
3
LOW-ALLOY STRUCTRRAL STEEL
STRUCTRUAL STEEL
WEATHER-RESISTING STEEL
EXAMPLES
STANDARD
Q235、Q255、Q275
GB 3274
SS330、SS400、SS490、SS540
JIS G3101
Q295 、 Q345 、 Q390 、 Q420 、 Q460 、 Q550 、 Q690
GB 3274
A36、A283、A529、A633
ASTM
SM400、SM490、SM570
JIS G3106
SN400、SN490
JIS G3136
Q235GJ 、 Q345GJ
GB/T 19879
A572、A573
ASTM
SMA400、SMA490
JIS G3114
Q235q、Q345q、Q370q、Q420q
GB714
SM490、SM540、SM570
JIS G3106
A709 Grade 50、50W、A572 100、100W
ASTM
4
BRIDGE BUILDING STEEL PLATE
5
SHIP BUILDING STEEL PLATE
A 、 B 、 D 、 E 、 AH32 、 DH32 、 EH32 、 AH36 、 DH36 、
EH36 、 AH40 、 DH40 、 EH40 、 FH32 、 FH36 、 FH40
GB712 CCS，ABS，GL LR，NK,ETC.
6
OIL PIPE MAKING STEEL
GR.B,X42～X65、X70、X80
API 5L
Q245R 、 Q345R
GB 713
SB410 、 SB450 、 SB480
JIS G3103
HII 、 19Mn6
DIN 17155
SPV235 、 SPV315 、 SPV355 、 SPV490
JIS G3115
A202 、 A516 、 A299 、 A537
ASTM
16MnDR,09MnNiDR
GB 3531
7
BOILER STEEL
NO.
8
9
CLASSIFCATION
EXAMPLES
STANDARD
16MnR、15CrMoR
GB 6654
SPV235、SPV315、SPV355、SPV490
JIS G3115
A202、A516、A299、A537
ASTM
16MnDR,09MnNiDR
GB 3531
S10C-S58C
JIS G4051
Wel-Ten 590、610、690
NSC
PRESSURE VESSEL STEEL
ENGINEERING MACHINERY STEEL PLATE
GALVANIZING
NO.
1
2
3
4
CLASSIFICATION
EXAMPL GRADES
STANDARD
DC51D+Z
GB/T 2518-2008
DX51D+Z
BS EN10346-2009
CS TpyeA、CS TpyeB
ASTM A653/653M-2009
SGCC、SGCD1
JIS 3302-2007
DC52D+Z
GB/T 2518-2008
DX52D+Z
BS EN10346-2009
CS TpyeC
ASTM A653/653M-2009
SGCD2
JIS 3302-2007
DC53D+Z
GB/T 2518-2008
DX53D+Z
BS EN10346-2009
CS TpyeC
ASTM A653/653M-2009
SGCD3
JIS 3302-2007
S220GD、S250GD、S280GD、S320GD、S350GD、S550GD
GB/T 2518-2008
S220GD、S250GD、S280GD、S320GD、S350GD、S550GD
BS EN10346-2009
SS230、SS255、SS275、SS340、SS380、SS410、SS480、SS550
ASTM A653/653M-2009
SGC340、SGC400、SGC440、SGC490、SGC570
JIS 3302-2007
COMMERCIAL GRADE
DEEP DRAWING
OVER DEEP DRAWING
STRUCTUAL USAGE
PPGI
1) Product introduction
This most widely used prepainted steel sheet is covered with polyester paint material that is baked on to its surface. Polyester prepaint
ed steel sheet is used for exterior panels and interior design purposes that do not require excessive processing.
-Prepainted steel sheet is coated or baked with paint containing polyester resin.
-Most widely used. Generally displays superior workability, durability, and weather resistance.
-Used for a variety of purposes; offered in a wide array of colors and degrees of polish.
-Sandwich panel, lightweight partition, roof panel, water gutter, shutter, door, boiler cover, iron frame furniture.
2) Cross section of painted product
Note 1) Materials used for prepainted steel sheet: GI, GA, EGI, SGL, AL, BP, TFS, TP, SUS, ALCOT etc.
Note 2) 2COAT 2BAKING is available for coating layer on both the top and back sides.
3) Size availability
4) Coating process and coating thickness
Process: 2Coat 2Bake/ 2Coat 1Bake
5) Base metal: GI, GL, GA
6) Color sheets: As required SAMPLE based on RAL COLOR SHEETS
SS STEEL
Applicable Standard of Products:
Japanese industrial standard： JIS G4305-1999
Chinese specification(GB)
American specification(ASTM、AISI)
European specification EN100882
Grade
Characteristics
Application
High hardness, high strength，and high fatigue strength
Automobiles, electronic products,and spring sheet steel
Widely used; corrosion resistant、heat resistant, good mechanical
properties in low temperature, good drawabity and bending
treatment properties without thermal treatment hardening,
no-magnetic
Domestic appliances (Kitchen utensils of category 1 and 2), cupboard,
indoor pipes, heater, boiler, automobile parts, medical apparatus,
building material, chemical equipments, food processing industry,
agriculture, watercraft parts
SUS304Cu
With the addition of Cu, 304Cu has good formability, in
particular good deep drawablity
Domestic appliances、 thermos bottles、kitchen sinks、bathtub etc
SUS304Ni9
304Ni9 made is created by increasing the Ni content in 304,has
good formability, in particular good deep drawablity
Domestic appliances、thermos bottles、kitchen sinks、bathtub etc
SUS304L
304L is made by lower carbon 304 type.Better intergranular
corrosion resistance than 304, it possesses corrosion
resistance properties without undergoing heat treatment
Machinery and tools used in the chemical、coal and petroleum industries
that require intergranual corrosion resistance, building material,
heat resistant parts and parts that are difficult to heat treat
SUS316
Higher corrosion resistant, higher-heat resistant, can be used in
very severe conditions, with less work hardening, nomagnetic
Sea water treatment equipments, chemical industry, dye making, paper mill,
herbal acid, fertilizer production equipments, photography, food
processing industry, coastal installations
SUS316L
316L is made by lower carbon 316 type. Better intergranular
corrosion resistance than 316, can be used in very severe
conditions, with less work hardeding, no-magnetic
Sea water treatment equipments, chemical industry, dye making, paper mill,
herb acid, fertilizer production equipments, photography, food
processing industry, coastal installations
SUS321
With the addition of Ti, thereby prevent intergranular corrosion.
Heat-resistant, high-temperature resistant and
antioxidizing in high-temperature
Heat-resistant material,???? automobiles, aerocraft ventilation pipings,
boiler cover, pipings, chemical devices and heat-exchanger
SUS301
301 steel has lower Cr? Ni content than 304.lts strength
increased by cold working
Trains, aircraft, belt converyors, vehicles spring
301L is made by lower carbon 301 type. Better intergranular
corrosion resistance than 301, strength increased by cold
working
Frame of Trains, building exterior material
SUS301L
SUS301HTSUS304HT
SUS304
Grade
Characteristics
Application
SUH409L
Good malleability weldability, antioxygenic property in hightemperature to 800℃
Widely used in tailpipe exhaust system for automobiles
SUH410L
With a better tenacity, plasticity, cold deformability and
weldability; with good bending properties, processing
behaviors, high temperature and oxidation resistant
performance in the welding part
Applicable for such as refrigerated container, auto front pipes,
nozzles, boiler fumaces, inversion covers, middle tubes,
muffler parts, and dishware
SUS430
Low thermal expansibility, good malleability and antioxygenic
property
Heat-resistant utensils, combustion devices, domestic appliance,
kitchen utensils category No2 and kitchen sink
SUS436L
With the addition of Mo Ti Nb, it has good corrosion
resistance, drawability and weldability
Automobile exhaust pipings, boiler
With the addition of Mo Ti Nb, it has good corrosion
resistance, drawability and weldability, stress and
corrosion resistance properties better than 316
Automobile exhaust pipes, water supply facilities, water tank
SUS444
High Post-quenching strength
Tools, pipe nozzles, valves, metal-rules and cooking utensils
SUS420J2