Q235 Precision Seamless Steel Tube
China Q235 Precision Seamless Steel Tube, Find details about China Seamless Steel Tube, Cylinder Tube from Q235 Precision Seamless Steel Tube
Basic Info.
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
Product Desciption
SPECIFICATION:
CHEMICAL COMPOSITION:
MECHANICAL PROPERTIES:
DELIVERY CONDITION:
QUALITY CONTROL:
20 -60 Centigrade Impact Testing Machine DM2500M Metallographic Microscope
HRS-ISO Rockwell Hardness Tester MAXXLMFO4 Direct Reading Spectrometer
MH2000 Carbon Sulfur Analyzer SHT4605 Universal Testing Machine
OUR INVENTORY:
PRODUCT APPLICATION:
PRODUCT PACKAGING & SHIPMENT:
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.
| Standard & Material | Carbon Steel | ASTM A519 Standard | MT1010, MT1020, 1008, 1010, 1018, 1020, 1025, 1030, 1045, 1518 |
| JIS G3445 Standard | STKM11A STKM12A STKM12B STKM12C STKM13A STKM13B STKM13C STKM14A STKM14B STKM14C STKM15A STKM15C STKM16A STKM16C STKM17A STKM17C STKM18A STKM18B STKM18C STKM19A STKM19C STKM20A | ||
| JIS G3473 Standard | STC370, STC440, STC510A, STC510, STC540, STC590A, STC590B | ||
| DIN 2391 Standard | St 35, St45, St52 | ||
| EN 10297-1 Standard | E235, E275, E315, E355, E470 | ||
| EN 10305-1 Standard | E215, E235, E355 | ||
| EN 10305-4 Standard | E215, E235, E355 | ||
| BS 6323-3 Standard | HFS 3, HFS 4, HFS 5, HFS 8 | ||
| NF A49-311 | TU 37-b, TU 52-b, TU 56-b, TU XC35 | ||
| Alloy Steel | ASTM A519 Standard | 1345, 3140, 4130, 4135, 4140, 4150, 4320, 4340, 5120, 5130 | |
| JIS G3429 Standard | STH11, 12 STH21, 122 STH31 | ||
| JIS G3441 Standard | SCR420TK, SCM415TK, SCM418TK, SCM420TK, SCM430TK, SCM440TK | ||
| Stainless Steel | ASTM A511 Standard | MT304, MT304L, MT310S, MT316, MT316L, MT317, MT321, MT347, MT403, MT410, MT431 | |
| ISO Standard | NACE MR-0175 | ||
| Size | Size Range | Tolerance | |
| OD | 6-325mm | -0.035 -- +0.045mm | |
| ID | 2-250mm | ±0.035mm | |
| WT | 1-32mm | depends on sizes | |
| Length | random or fixed length | +0-3.5mm | |
| Straightness | 0.15:1000, 0.4:1000, 0.5:1000 1:1000 or customized | ||
| Surface Roughness | Ra 0.02-0.4μm | ||
CHEMICAL COMPOSITION:
| Steel Grade | C(%) | 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 | ≤0.35 | 0.30~0.90 | ≤0.040 | ≤0.040 | - |
| STKM13B | ≤0.25 | ≤0.35 | 0.30~0.90 | ≤0.040 | ≤0.040 | - |
| STKM13C | ≤0.25 | ≤0.35 | 0.30~0.90 | ≤0.040 | ≤0.040 | - |
| STKM14A | ≤0.30 | ≤0.35 | 0.30~1.00 | ≤0.040 | ≤0.040 | - |
| STKM14B | ≤0.30 | ≤0.35 | 0.30~1.00 | ≤0.040 | ≤0.040 | - |
| STKM14C | ≤0.30 | ≤0.35 | 0.30~1.00 | ≤0.040 | ≤0.040 | - |
| STKM15A | 0.25~0.35 | ≤0.35 | 0.30~1.00 | ≤0.040 | ≤0.040 | - |
| STKM15C | 0.25~0.35 | ≤0.35 | 0.30~1.00 | ≤0.040 | ≤0.040 | - |
MECHANICAL PROPERTIES:
| Steel Grade | Tensile 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:
20 -60 Centigrade Impact Testing Machine DM2500M Metallographic Microscope
HRS-ISO Rockwell Hardness Tester MAXXLMFO4 Direct Reading Spectrometer
MH2000 Carbon Sulfur Analyzer SHT4605 Universal Testing Machine
OUR INVENTORY:
PRODUCT APPLICATION:
PRODUCT PACKAGING & SHIPMENT:
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.
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