Name | Stainless Steel Seamless & Welded Tube &Pipe | |||||
Items | Square tubes, round tubes, oval pipes, special shaped pipes, empaistic pipes, fittings | |||||
Standard | ASTM A554, A249, A269 and A270 | |||||
Material Grade | 201: Ni 0.8%~1% | |||||
202: Ni 3.5%~4.5% | ||||||
304: Ni 8%, Cr 18% | ||||||
316: Ni 10%, Cr 18% | ||||||
316L: Ni10%~14% | ||||||
430: Cr16%~18% | ||||||
Outer Diameter | 9.53mm--159mm | |||||
Thickness | 0.3mm - 3.0mm | |||||
Length | 6m or as customers' request | |||||
Tolerance | a) Outer Diameter: +/- 0.2mm | |||||
b) Thickness: +/- 0.02mm | ||||||
c) Length: +/- 5mm | ||||||
Surface | 180G, 240G, 320G Satin / Hairline 400G, 600G Mirror finish | |||||
Application | handrail,railing, staircase, weldmesh screen,door,window, balcony,fence,bench,furniture,etc | |||||
Test | Squash test, extended test, water pressure test, crystal rot test, heat treatment, NDT | |||||
Chemical Composition of Material | Material
Composition | 201 | 202 | 304 | 316L | 430 |
C | ≤0.15 | ≤0.15 | ≤0.08 | ≤0.035 | ≤0.12 | |
Si | ≤1.00 | ≤1.00 | ≤1.00 | ≤1.00 | ≤1.00 | |
Mn | 5.5-7.5 | 7.5-10 | ≤2.00 | ≤2.00 | ≤1.00 | |
P | ≤0.06 | ≤0.06 | ≤0.045 | ≤0.045 | ≤0.040 | |
S | ≤0.03 | ≤0.03 | ≤0.030 | ≤0.030 | ≤0.030 | |
Cr | 13-15 | 14-17 | 18-20 | 16-18 | 16-18 | |
Ni | 0.7-1.1 | 3.5-4.5 | 8-10.5 | 10-14 | ||
Mo | 2.0-3.0 | |||||
Mechanical Property | Material Item | 201 | 202 | 304 | 316 | |
Tensile Strength | ≥535 | ≥520 | ≥520 | ≥520 | ||
Yield Strength | ≥245 | ≥205 | ≥205 | ≥205 | ||
Extension | ≥30% | ≥30% | ≥35% | ≥35% | ||
Hardness (HV) | <105 | <100 | <90 | <90 | ||
1. Material | TP304/304L, 316/316L, 310S, 317L, 321, 347H,etc. |
S31803, 32750, etc. | |
2. Standard | ASTM, ASME, DIN, EN, ISO,JIS, GOST, etc. |
3. Type | Seamless |
4. Size range | OD: from 6mm to 1000mm (NPS from 1/8'' to 40'') |
WT: from 0.7mm to 38mm (Schedule from 5S to XXS) | |
Length: fix length or un-fix length, Max 30meters | |
5. Produce process | Pilgering and cold drawn |
6. Surface process | Pickling and annealing |
AP tube | |
BA tube | |
7. Marking | JW, GRADE, seamless, STANDARD, SIZE, HT NO. |
8. Package | Bundles with waterproof cloth outside. |
or plywood box. | |
9. Min order quantity | 500 KG |
10. Sample | Yes |
11. OEM accepted | Yes |
12. Production capacity | 300 tons per month |
13. Payment term | T/T or L/C. |
14. Certificate | ISO 9001, PED |
15. Third party ertificate | BV, LR, SGS, TUV, CCS, ABS, etc. |
Cangzhou Qiancheng Steel-Pipe Co., Ltd. is located in Yanshan County of Hebei Province. As one of the largest scale enterprises in North China, our company specializes in producing steel pipes and pipe fittings. We are only 200km away from Tianjin City, enjoying convenient transportation.
Our company covers an area of 80,000 square meters and has total assets of 90 million RMB. There are 360 staff members, including 80 technicians. We have established an effective and complete quality control and assurance system. In 2003, our company attained ISO9001 Quality System certification. We control product quality in accordance with API 5L and API 5CT standards.
Our company is equipped with sophisticated manufacturing and testing equipment, including X-ray detectors, ultrasonic wave detectors, hydrostatic testers, tension testers, metallurgical analyzers and a physical & chemical lab. These equipment and technology guarantee that production and testing processes comply with relevant standards. Our products can meet customers' requirements doubtlessly.
Our main products include seamless steel pipes, hot-finished pipes, stainless steel pipes,elbow,reducer, flange,cap,TEE and supporting tubing. They sell well not only in thermal power, chemical engineering and electric power markets in China, but also in the USA, Italy, Germany, Malaysia, Thailand, South Korea, Kuwait, Czech, Indonesia, Hong Kong, India, Iran, Singapore and other countries and regions.
With powerful financial strength, advanced managerial concept, excellent marketing service, strict quality control system and integrated marketing team, we would like to develop together with you hand in hand. Adhering to the operation principle of "faith first and clients foremost", we always supply high quality products, complete after-sales service and favorable prices. We sincerely hope to establish long-term cooperation with you on the basis of mutual benefits, reciprocity and common development.
