• Model NO.：hhj502
• Transport Package：PVC Packing
• Specification：as customer′s requirement
• Trademark：HHJ
• Origin：Jiangsu China
• Production Capacity：10000t,Months

Comparison Table Of Domestic And Foreign Alloy GradeMaterialChinaFormer 
Soviet UnionAmericaEnglandJapanFrenchGermanyGBГOCTASTMBSJISNFDINHigh 
Quality 
Carbon 
Structural 
Steel08F08KП1006040A04S09CK C10881008045M10S9CK C1010F 1010040A10 XC10 101010,101,012045M10S10CXC10C10,CK1015151015095M15S15CXC12C15,CK1520201020050A20S20CXC18C22,CK2225251025 S25C CK2530301030060A30S30CXC32 35351035060A35S35CXC38TSC35,CK3540401040080A40S40CXC38H1 45451045080M46S45CXC45C45,CK4550501050060A52S50CXC48TSCK5355551055070M55S55CXC55 60601060080A62S58CXC55C60,CK6015Mn15Г10,161,115080A17SB46XC1214Mn420Mn20Г10,211,022080A20 XC18 30Mn30Г10,301,033080A32S30CXC32 40Mn40Г10,361,040080a40S40C40M540Mn445Mn45Г10,431,045080A47S45C  50Mn50Г10,501,052030A52
080M50S53CXC48 Alloy 
Structural 
Steel20Mn220Г 213,201,321150M19SMn420 20Mn530Mn230Г 21330150M28SMn433H32M530Mn535Mn235Г 21335150M36SMn438(H)35M536Mn540Mn240Г 21340 SMn44340M5 45Mn245Г 21345 SMn443 46Mn750Mn250Г 2   ~55M5 20MV     20MnV635SiMn35CГ En46  37MnSi542SiMn35CГ En46  46MnSi440B TS14B35    45B 50B46H    40MnB 50B40    45MnB 50B44    15Cr15X5115523M15SCr415(H)12C315Cr320Cr20X5120527A19SCr420H18C320Cr430Cr30X5130530A30SCr430 28Cr435Cr35X5132530A36SCr430(H)32C434Cr440Cr40X5140520M40Scr44042C441Cr445Cr45X51,455,147434A99SCr44545C4 38CrSi12CrMo38XC/12XM 620CrB 12CD413CrMo4415CrMo15XMA-387CrB1653STC42/STT42/
STB4212CD416CrMo4420CrMo20XM41,194,118CDS12
CDS110STC42/STT42/
STB4218CD420CrMo4425CrMo 4125En20A 25CD425CrMo430CrMo30XM41301717COS110SCM42030CD4 42CrMo 4140708A42
708M40 42CD442CrMo435CrMo35XM4135708A37SCM335CD434CrMo412CrMoV12XMФ     12Cr1MoV12X1MФ    13CrMoV4225Cr2Mo1VA25X2M1ФA     20CrV20XФ6120   22CrV440CrV40XФA6140   42CrV650CrV50XФA6150735A30SUP1050CV450CrV415CrMn15XГ,18XГ     20CrMn20XГ CA5152527A60SUP9  30CrMnSiA30XГ CA     40CrNi40XH3140H640M40SNC236 40NiCr620CrNi3A20XH3A3316  20NC1120NiCr1430CrNi3A30XH3A3325/
3330653M31SNC631H
SNC631 28NiCr1020MnMoB 80B20    38CrMoA1A38XMIOA 905M39SACM64540CAD6.1241CrA1Mo0740CrNiMoA40XHMA4340871M40SNCM439 40NiCrMo22About our quality:

• 1. No cracks and internal defects
• 2. Straightness
• 3. Without burrs or drops
• 4. Without surface scale
• 5. Smooth surface, no scratches
• 6. If welded: Welding line is good and tidy, no virtual welding; If seamless, no welding seam
• 7. The corner of square/rectangular tube is a little bit oval

FAQ
Q: What about your payment term?
A: Usually L/C or 30% as deposit and 70% against copy of B/L by T/T.
 
Q: What about your standard delivery date ?
A: Within 10-25 days after receiving your deposit.
 
Q: How about your capacity?
A: For steel pipes, 10,000,000 tons per year. 
 
Q: What about your package
A: Usually as customer's requirement.
 
Q: If products have some quality problem,how would you deal with?
A: We will responsible for all of our quality problems.
 
Q: How to get accurate price / quotation from you?
A: Please kindly tell us below details and we'll send our quotation to you ASAP:
1) Pipe's outer diameter 
2) Wall thickness    
3) Section Shape (round, square etc.)
4) length for each pipe       
5) steel grade   
6) Standard (e.g.: API 5L)
7) Order quantity   
8) Designation port (BK, BKW etc.)  
9) Trade Terms
 In all, the more detailed information, the more exact price we quote.