SHANGHAI UNITE STEEL
One-stop Brand Service Provider For Globle Machinery And Petrochemical Enterprise And Special Steel Distributor.
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DIN 2391 Seamless Cold Drawn Steel Tube for Mechnical Processing Purpose ST35 ST35.8
OVERVIEW
We are distributors, Dealers, stockists, exporters and suppliers of world class ST35 & ST 35.8 steel pipe and we deliver these pipes to our clients located in all corners of the globe. To ensure that our ST 35 steel pipes meet the highest quality standards, we manufacture them using the highest quality raw materials and we also run them through the most rigid quality parameters. We also supply our clients with Material Test Certificates (MTC), as per EN 10204 3.1 and EN 10204 3.2. For all your needs for EN 10305 ST 35 steel pipe, no matter where you might be located in the world, be sure to contact us, we assure you of the best price and the best quality and service.
APPLICATIONS
ST 35 steel pipes are wildly used by maunfacture of pipelines,vessels,equipment,pipe fittings and steel structure.
STANDARD SPECIFICATIONS
| Description | DIN 2391 ST 35 ST 35.8 ST37, St52, ST37-2, St37.4, E355, S355JR 1010 1020 1026 Mechanical Tubing | ||
| Supply Capacity | 3000 tons/month | ||
| Process Method | Cold Rolled | ||
| Outer Diameter | 6-219mm | ||
| Wall Thickness | 1-34mm | ||
| Length | SPECIFIC OR AT RANDOM as required, 15 Mtr max, Cut to Length Available | ||
| Standards | EN 10305, DIN 2391, JIS G3445, GB/T3639 | ||
| Surface | Black, smooth, turned, peeled, grind, polished, oiled and painted surface or other anti-corrosive treatment per customers’ requests | ||
| End | Beveled, plain end, vanished or plastic caps | ||
| Packing | 1.with plastic cap to protect both ends 2.plastic bag wrapped outside the pipe 3.bundles to be covered by polythene & strapped securely . | ||
| Certificate | Third Party inspection is acceptable (SGS, BV etc.) | ||
| Delivery time | Shipped in 15-35 days after payment | ||
| Trade Term | FOB CFR CIF | ||
TOLERANCE FOR SEAMLESS TUBING
| I.D tolerance (mm) | O.D tolerance (mm) | Straightness (mm) |
| H9-H12 | -/+0.5% | 0.20-0.80 |
DELIVERY CONDITIONS
+C (BK) Hard. No final treatment after final cold rolling.
+LC (BKW) Soft. Final heat treatment is followed by a suitable drawing pass (limited reduction of area).
+SR (BKS) Stress Relieved. After final cold rolling, the tubes are stress relieved in a controlled atmosphere.
+A (GBK) Annealed. After final cold rolling, the tubes are annealed in a controlled atmosphere.
+N (NBK) Normalized. After final cold rolling, the tubes are normalized in a controlled atmosphere.
Relavent Standard & Grades Equivalency
| Steel Grade | GB China | JIS Japan | ASTM America | Din German | |||
|---|---|---|---|---|---|---|---|
| Steel Grade | Steel Grade | Steel Standard | Steel Grade | Steel Grade | Material | Steel Standard | |
| Carbon Steel Pipe/Tube | (Q235)Steel Pipe/Tube | GGP STPY41 | G3452 G3457 | (A53 F) A283-D | (St33) | 1.0033 | DIN1626 |
| 10#Steel Pipe/Tube | STPG38 | G3454 | A135-A A53-A | (St37) | 1.0110 | DIN1626 | |
| STPG38 | G3456 | A106-A | St37-2 | 1.0112 | DIN17175 | ||
| STS38 | G3455 | St35.8 St35.4 | 1.0305 1.0309 | DIN1629/4 | |||
| STB30 | G3461 | A179-C A214-C | St35.8 | 1.0305 | DIN17175 | ||
| STB33 | G3461 | A226 | St35.8 | 1.0305 | DIN17175 | ||
| STB35 | G3461 | St35.8 | 1.0305 | DIN17175 | |||
| 20#Steel Pipe/Tube | STPG42 | G3454 | A315-B A53-B | (St42) St42-2 | 1.0130 1.0132 | DIN1626 | |
| STPT42 | G3456 | A106-B | St45-8 | 1.0405 | DIN17175 | ||
| STB42 | G3461 | A106-B | St45-8 | 1.0405 | DIN17175 | ||
| STS42 | G3455 | A178-C A210-A-1 | St45-4 | 1.0309 | DIN1629/4 | ||
Chemical Requirements, Composition, %
| Standard | Grade | C | Si | Mn | p | S |
| DIN 2391 | ST35 | 0.17max | 0.35max | 0.40min | 0.025max | 0.025max |
Mechanical Properties
| Cold drawn(Mandatory) | Cold drawn(Soft) | Cold Drawn and Stress Release | Anneal | Normalizing | ||||||||
| BK1) | BKW1) | (BKS) | (GBK)1) | (NBK)1) | ||||||||
| Grade | Tensile | Elong ation | Tensile | Elong ation | Tensile | Yield point | Elong ation | Tensile | Elong ation | Tensile | Yield point | Elong ation |
| N/mm2 | % | N/mm2 | % | N/mm2 | N/mm2 | % | N/mm2 | % | N/mm2 | N/mm2 | % | |
| St35 | 480 | 6 | 420 | 10 | 420 | 315 | 14 | 315 | 35 | 340~470 | 235 | 25 |
Inspection and test list for the DIN 2391 Standard
| Inspection or test types | Test frequency | |
| Internal test | Acceptance test | |
| Chemical analysis | M | M |
| Tensile testing | M | One per tested batch |
| Flattening test or extension test | M | Two per tested batch |
| Dimension verification | M | M |
| Visual inspection | M | M |
| NDT in order to identify leaks | Individual | Individual |
What we can offer?
-We offer a wide range of steel products in a wide variety of dimensions and executions, according to the common international specifications or customize.
-Machining and heat treatment are available.
-Also, we advise you in choosing the right materials.
Quality Assurance
Below inspection will be done in the production.
(1) ray detection---RT;
(2) ultrasonic testing---UT;
(3) Magnetic Particle Testing-MT;
(4) penetration testing-PT;
(5) eddy current flaw detection-ET
Packaging
In standard export packing and seaworthy material with hexagon shape bundle, covered with tarpaulin, in containers or in bulk, or upon request
Payment & Delivery
1. Both T/T and L/C will be acceptable
2. Trade Terms: FOB, CIF, CFR
3. The delivery will be in 10-15 days if have stock; For customized items, the delivery will be negotiated by both parties
4. Shipping by sea freight from Shanghai Port (PRC) for Bulk orders, by airfreight or express for samples
Shanghai Unite Steel Trading Co., Ltd
We are committed to integrate engineering steel resources in china and serve the global engineering steel market. Our company has more than 15 years of experience in steel researching, production, managing and sales. And our team mostly are based on and worked in national famous steel enterprise.
In the aspect of resources and information, we have established cooperative and stronger relationship with nearly hundred enterprises, either state-owned or private owned in china.
What’s more, we have built long, deep and close business relationship with dozens of steel company, Sharing and holding equities with several steel enterprises. Because of the close cooperation with steel companies and our pioneering spirit, which can ensure us stay at the top competition, and ensure our customers get what they really want!
Q: Are you a manufacturer or merely a trader?
A: We are group of companies and owned manufacturer bases and trading company. We specialized in special steel which include alloy structural steel and carbon steel and stainless steel, etc. All material are with high quality and competitive price.
Q: How do you guarantee the quality of your product?
A: Firstly, we can provide the certificates from the third party, such as TUV, CE, if you need. Secondly, we have a complete set of inspection system and every process is checked by QC. Quality is the lifeline of enterprise survival.
Q: Delivery time?
A: We have ready stock for most of material grades in our warehouse. If the material doesn't have stock, the delivery lead time is about 5-30 days after receiving your prepayment or firm order.
Q: What is the payment term?
A: T/T or L/C.
Q: Can we visit your company and factory?
A: Yes, warmly welcome! We can book the hotel for you before you come to China and arrange our driver to our airport to pick you up when you come.