JIS G3445 Stkm18c Seamless Steel Precision Pipes

China JIS G3445 Stkm18c Seamless Steel Precision Pipes, Find details about China Seamless Steel Tube, Cylinder Tube from JIS G3445 Stkm18c Seamless Steel Precision Pipes

Trademark
HYT
Transport Package
External Packing by PVC Bags and Knit Bags
Specification
OD: 6mm-325mm; ID: 2-250mm
Origin
China
HS Code
7304319000
Trademark
HYT
Transport Package
External Packing by PVC Bags and Knit Bags
Specification
OD: 6mm-325mm; ID: 2-250mm
Origin
China
HS Code
7304319000
SPECIFICATION:
Standard & MaterialCarbon SteelASTM A519 StandardMT1010, MT1020, 1008, 1010, 1018, 1020, 1025, 1030, 1045, 1518
JIS G3445 StandardSTKM11A  STKM12A  STKM12B  STKM12C   STKM13A  STKM13B   STKM13C   STKM14A  STKM14B  STKM14C  STKM15A  STKM15C   STKM16A  STKM16C   STKM17A   STKM17C  STKM18A  STKM18B  STKM18C   STKM19A  STKM19C  STKM20A
JIS G3473 StandardSTC370, STC440, STC510A, STC510, STC540, STC590A, STC590B
DIN 2391 StandardSt 35, St45, St52
EN 10297-1 StandardE235, E275, E315, E355, E470
EN 10305-1 StandardE215, E235, E355
EN 10305-4 StandardE215, E235, E355
BS 6323-3 StandardHFS 3, HFS 4, HFS 5, HFS 8
NF A49-311TU 37-b, TU 52-b, TU 56-b, TU XC35
Alloy SteelASTM A519 Standard1345, 3140, 4130, 4135, 4140, 4150, 4320, 4340, 5120, 5130
JIS G3429 StandardSTH11, 12 STH21, 122 STH31
JIS G3441 StandardSCR420TK, SCM415TK, SCM418TK, SCM420TK, SCM430TK, SCM440TK
Stainless SteelASTM A511 Standard MT304, MT304L, MT310S, MT316, MT316L, MT317, MT321, MT347,   MT403, MT410, MT431
ISO StandardNACE MR-0175
 
 
Size
 Size RangeTolerance
OD6-325mm-0.035 -- +0.045mm
ID2-250mm±0.035mm
WT1-32mmdepends on sizes
Lengthrandom or fixed length+0-3.5mm
Straightness0.15:1000, 0.4:1000, 0.5:1000 1:1000 or customized
Surface RoughnessRa 0.02-0.4μm
   
CHEMICAL COMPOSITION:
 
Steel GradeC(%)Si(%)Mn(%)P(%)S(%)Nb/V(%)
STKM11A≤0.12≤0.35≤0.60≤0.040≤0.040-
STKM12A≤0.20≤0.35≤0.60≤0.040≤0.040-
STKM12B≤0.20≤0.35≤0.60≤0.040≤0.040-
STKM12C≤0.20≤0.35≤0.60≤0.040≤0.040-
STKM13A≤0.25≤0.350.30~0.90≤0.040≤0.040-
STKM13B≤0.25≤0.350.30~0.90≤0.040≤0.040-
STKM13C≤0.25≤0.350.30~0.90≤0.040≤0.040-
STKM14A≤0.30≤0.350.30~1.00≤0.040≤0.040-
STKM14B≤0.30≤0.350.30~1.00≤0.040≤0.040-
STKM14C≤0.30≤0.350.30~1.00≤0.040≤0.040-
STKM15A0.25~0.35≤0.350.30~1.00≤0.040≤0.040-
STKM15C0.25~0.35≤0.350.30~1.00≤0.040≤0.040-


MECHANICAL PROPERTIES:


 
Steel GradeTensile Strength(N/mm²)Yield Strength(N/mm²)
STKM11A≥290-
STKM12A≥340≥175
STKM12B≥390≥275
STKM12C≥470≥355
STKM13A≥370≥215
STKM13B≥440≥305
STKM13C≥510≥380
STKM14A≥410≥245
STKM14B≥500≥355
STKM14C≥550≥410
STKM15A≥470≥275
STKM15C≥580≥430


DELIVERY CONDITION:
 
+C(BK)Cold drawn/hard.After the last cold forming,no heat treatment.
+LC(BKW)Cold drawn/soft.After the last heat treatment follows the cold drawing there is a light finishing pass.
+SR(BKS)Cold drawn and stress relieved annealed. After the final cold drawing process the tubes are stress relieved annealed in a controlled atmosphere.
+A(GBK)After the final cold drawing process the tubes are stress relieved annealed in a controlled atmosphere.
+N(NBK)Normalized. After the last cold drawing process the tubes are annealed in a controlled atmosphere.



QUALITY CONTROL:

   
JIS G3445 Stkm18c Seamless Steel Precision Pipes                   JIS G3445 Stkm18c Seamless Steel Precision Pipes


                          
20 -60 Centigrade Impact Testing Machine          DM2500M Metallographic Microscope

 JIS G3445 Stkm18c Seamless Steel Precision Pipes                  JIS G3445 Stkm18c Seamless Steel Precision Pipes

HRS-ISO Rockwell Hardness Tester             MAXXLMFO4 Direct Reading Spectrometer

   JIS G3445 Stkm18c Seamless Steel Precision Pipes                 JIS G3445 Stkm18c Seamless Steel Precision Pipes

MH2000 Carbon Sulfur Analyzer                       SHT4605 Universal Testing Machine
                                    

OUR INVENTORY:
JIS G3445 Stkm18c Seamless Steel Precision Pipes

PRODUCT APPLICATION:
JIS G3445 Stkm18c Seamless Steel Precision Pipes

JIS G3445 Stkm18c Seamless Steel Precision Pipes
JIS G3445 Stkm18c Seamless Steel Precision Pipes


JIS G3445 Stkm18c Seamless Steel Precision Pipes

                      

PRODUCT PACKAGING & SHIPMENT:

JIS G3445 Stkm18c Seamless Steel Precision Pipes


FAQ: 
1. Q: What's the surface roughness of seamless mechanical tubing you could do ?
    A:Surface Roughness: a=0.02~0.4micron or depends on the customer's requirement.
 
2. Q: How's the straightness of cold drawn mechanical tubes?
    A: Straightness:0.3~0.8mm/1000mm
 
3. Q: Shall we get the discount if repeating our orders?
    A: Of course, biggest discount will be shared with the regular customers.