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Thin Wall DIN 1626 DIN 2448 DIN 1629 Seamless Hot Rolled Steel Tubes Round 6mm - 350mm
Seamless steel pipe: Seamless steel pipe is made of steel ingot or solid tube blank through perforation to make capillary, and then hot-rolled, cold-rolled or cold-drawn.
Commodity Specification | DIN1626 / ST52.4 / ST42.2 DIN1629 / St45-4,St52,St35,St37,St44 DIN 2448 / EN 10217 / BS 1387 |
Process Method | Cold draw or Hot rolled |
Surface Finish | Oiled or black painted to prevent rust. |
Size | a) NPS:1/8-20 b) Schedule: sch20,sch30,sch40,STD,sch80 |
c) OD: 6 mm ~ 350 mm d) WT: 0.8 mm ~30 mm | |
OD Tollerance | D≤48.3mm,±0.4mm/-0.79mm,D48.3-114.3mm, ±0.79%,D≥114.3mm ±1.59/- 0.79mm |
WT Tollerance | WT ±12.5% |
Chemail | C0.3% , Si≥0.1%,Mn:.29-1.06%, P≤0.035%,S≤0.035%, Cu<0.4%,,Cr<0.4%,Mo:0.15%,V:0.08% |
Tenslle Strength | 415MPA |
Yield Point | 240 MPA |
Length | 5.8-12m or above |
Ends | Beveled or square cut plastic caped. |
Delivery | FOB/CIF/CFR |
Delivery Time | According to the customers’ request. |
Application Range | Petroleum,chemical,power,gas,water,metallurgy,shipbuilding,construction,etc. |
Others | a) Special design available according to requirement. |
b) Anti-corrosion and high-temperature resistant with black painting. |
Standard | Grade | Chemical Composition(%)(max) | |||||
C | Si | Mn | P | S | Cr | ||
DIN1629 | St37.0 | 0.17 | / | / | 0.04 | 0.04 | / |
St44.0 | 0.21 | / | / | 0.04 | 0.04 | / | |
St52.0 | 0.22 | 0.55 | 1.7 | 0.04 | 0.04 | / |
Mechanical properties
Standard | Grade | Mechanical Properties | ||
TS (Mpa) | YS(Mpa) | Elongation(%) | ||
DIN1629 | St37.0 | 350-480 | 235min | 25min |
St44.0 | 420-550 | 255min | 21min | |
St52.0 | 550-650 | 270min | 21min |
Related Standard For Reference
Commodity | ASTM | DIN-17175 | OD-WT (mm) | China Grade |
Alloy pipe Fluid pipe CS pipe Hydraulic pillar pipe Line pipe Marine pipe Structure pipe | ASTM A106-A ASTM A53-A ASTM A179-C ASTM A214-C ASTM A192 ASTM A226 | DIN-17175St 37.2 DIN-17175St 35.8 DIN-17175St 35.4 | 21--457*2.77—60 (1/2”—18”) (SCH10—XXS) | 10# |
ASTM A106-B ASTM A53-B ASTM A178-C ASTM A315-B ASTM A210-A- | DIN1629 ST42 DIN1629 ST45 | 21--457*2.77—60 (1/2”—18”) (SCH10—XXS) | 20# GB 8163 | |
ASTM 1045 | CK45 | 21--457*2.77—60 (1/2”—18”) (SCH10—XXS) | 45# | |
ASTM A210-C | DIN1629 ST52.3 DIN1629 ST52.4 DIN1629 ST52 | 21--457*2.77—60 (1/2”—18”) (SCH10—XXS) | 16Mn | |
API | J55 K55 N80 L80 P110 | 4 1/2”—20” |
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Pipe & Tube Processing
Packing & Delivery
FAQ
Q1: ARE YOU FACTORY OR TRADER?
A1: Wuxi Sylaith Special Steel Co.,Ltd is a manufacturer of steel pipe and tube since 2010. We've gained our Export Right and become an integrated company of industry and trade in order to satisfy buyer's multi-request on different material and products.
Q2: WHICH MATERIAL/PRODUCTS YOU CAN PROVIDE?
A2: Seamless Stainless Steel Pipe / Tube, Seamless Carbon Stainless Steel Pipe /Tube,Galvanized Steel Tube witn any Shape and Welded pipes can also be available
Q3: HOW TO GET A SAMPLE?
A3: FREE samples are available for your checking and testing. And to get free samples, you need to send us you detailed receiving address (including post code) and your DHL/FedEx/UPS account for collecting samples, courier cost will be paid in your side.
Q4. CAN YOU PRODUCE THE PRODUCTS ACCORDING TO MY OWN DRAWINGS?
A4: Yes, we can produce the products according to your drawings that will be most satisfy you.
Q5: HOW TO VISIT YOUR FACTORY?
A5: Most of the main cities have flights to Shanghai; you can take flight to Shanghai Putong/Hongqiao International Airport.
If you come from Hongkong, it will take 2 hours by flight (every day 5 flight around noon time).