Precision Cylinder 1020 Honed Steel Pipe and Tube ASTM A519 4130
Product Details
6mm 316 Precision Steel Tube
,9mm 316 Precision Steel Tube
,9mm 316 stainless steel tube
Precision Cylinder 1020 Honed Steel Pipe and Tube ASTM A519 4130
Torich has over 20 years experience in honed steel tube manufacturing with many standard EN10305-1, DIN 2391, ASTM A519, JIS G3445,etc with material E235,E355, 4130,4140, STKM11A,ST52.3,etc.ID tolerance can reach h7,h8,h9.
1.Brief introduction of precision cylinder 1020 honed steel pipe and tube:
Standard: DIN2391, EN10305,ASTM 519
Type: Seamless+Cold Drawn
ID Tolerance: h8, h9.h7
Straightness: ≤ 0.5/1000
ID dimension : 20mm – 1500mm
Length: max 14m
Ra: 0.2-0.8 um
Packing: Anti rust oil in the steel tube woven bags packing.
2.About honing in inside surface:
High precision, high surface quality, long life.
Smooth surface in inside bores
3.Chemical analysis:
| Grade | C | Si | Mn | P | S | Cr | Mo |
| ST45 (DIN1.0408) | 0.21 max | 0.35 max | 0.40 min | 0.025 max | 0.025 max | / | / |
| ST52 (DIN1.0580) | 0.22 max | 0.55 max | 1.60 max | 0.025 max | 0.025 max | / | / |
| E355 | 0.22 max | 0.55 max | 1.60 max | 0.025 max | 0.025 max | / | / |
| 1020 | 0.18-0.25 | / | 0.30-0.60 | 0.040 max | 0.050 max | / | / |
| 1026 | 0.22-0.28 | / | 0.60-0.90 | 0.040 max | 0.050 max | / | / |
4.Mechanical Properties:( T=20°C if not stated ):
| Grades | Delivery Conditions | Tensile Strength Rm (Mpa) | Elongation in the longitudinal direction Al (%) |
| ST45 | +A (GBK) | 390 min | 21 min |
| ST52 | +A (GBK) | 490 min | 22 min |
| E355 | +A (GBK) | 450 min | 22 min |
| 1020 | +A (GBK) | 390 min | 21 min |
QUALITY CONTROL:
1. Incoming Raw Material Inspection
2. Raw Material Segregation to avoid steel grade mix-up
3. Heating and Hammering End for Cold Drawing
4. Cold Drawing and Cold Rolling, on line inspection
5. Heat Treatment, +A, +SRA, +LC, +N, Q+T
6. Straightening-Cutting to specified length-Finished Measuring Inspection
7. Machanical Testing in own labs with Tensile Strength, Yield Strength, Elongation, Hardness, Impact, Mictrostruture etc
8. Packing and Stocking
5.Precision cylinder honed steel tube product show:
6.Packing ways:
Q&A
Q: Are you trading company or manufacturer ?
A: A professional steel pipes materials inventor, manufacturer and solution provider
Q: How long is your delivery time?
A: Generally it is 7-14 days if the goods are in stock. or it is 30-60 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples of carbon seamless steel tube ? is it free or extra ?
A: Yes, we could offer the sample for free charge but need pay the cost of freight.
Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.
Q:Do you have agent or distributor in our country?
A:We are recruiting area agent and distributor all over the world, welcome to send us your mail or call us for detail discussion.
Q:How is your production capability?
A:1.2000 tons monthly production capacity, 5000 tons monthly trading capability
2.Prompt and Timely shipment
Q:How to get the sample?
A:1.You are requested to pay for sample charges and courier charges from China to your country; and the free sample is according the product like size, steel grade and quantity, please consult our sales for details
2.Sample charges will be refunded when order is placed.
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