MAIN PRODUCTS 产品类型
Material:
- Stainless steel, Duplex
- Nickel alloy, Hastelloy, Monel
钢种:
- 不锈钢,双向钢
- 镍合金,哈氏合金,蒙乃尔

TUBING CATEGORIES 产品类型
- 无缝管/有缝管
- 直管/盘管
- 保温管
- 包塑管
- Seamless/welded
- Stick / coiled
- Pre-Insulated tube
- PVC coat




SEAMLESS COILED TUBING 盘管
- Seamless
- Surface: Bright Anneal
- Material: TP 304/304L, 316/316L
- Max length: 1000m / 150KG
- Standard : ASTM A269, EN10216-5
- OD: From ¼’’ to 1’’; From 3mm to 25 mm
- 无缝
- 表面: 光亮退火
- 钢种: TP 304/304L, 316/316L
- 最大长度: 1000米 / 150公斤
- 标准: ASTM A269, EN10216-5
- 外径: 从 ¼’’ 至 1’’;从3毫米 至 25 毫米


ADVANTAGE 产品优势
- 100% Seamless, No welded 无缝无焊接
- Surface: Bright Anneal, Ra < 0.4 μm 光亮退火
- 100% Endoscopic inspection 内窥镜检查
- 100% Hydraulic test (max 50 Mpa) 水压检测

WELDED COILED TUBING 焊管
- Steel Grade钢种:
TP 201, 304/304L, 316/316L, etc. - Max length最大长度: 3000m
- Surface表面: Bright Anneal
- Material原材料: From POSCO
- Standard标准: ASTM A249
- OD外径: From 3 to 50.8mm; From 1/8’’ to 2’’
- Welding Mode焊接方式: 氩弧焊和激光焊
- Argon-arc welding (TIG),
- Laser beam welding (LBW)


JW'S UNIQUE CRAFTSMANSHIP 独有工艺
- The weld seam is eliminated by online cold drawing
- Three times inspections
1. Online weld line inspection and early
warning system
2. Online ET test
3. 100% air pressure test - The coiled tubing can be delivered under test pressure
- 焊管在线去焊缝工艺
- 三重检测
1. 在线视觉自动检测焊缝系统
2. 在线涡流检测
3. 全部气压检测 - 盘管带压力交货


BA STICK TUBING 光亮管
- Material材料: Stainless steel (SEAMLESS / WELDED)
- Surface表面: BA (bright annealing)光亮
- Standard标准: ASTM A269/A213/B163/B165/etc.
EN10216-5
DIN 17458
ISO 1127
NACE MR0175 - Ra光洁度: < = 0.4 um
- OD外径: from 1/8’’ to 2’’
- Tolerance公差:
OD max +/- 0.05mm
WT max +/- 0.05mm
LONG max +/- 0.05mm

PVC COAT TUBING 复合管
- Material基材:
Stainless steel 无缝钢 - Surface表面覆盖:
PVC coat, thickness 1-2mm
PVC 涂层,厚度 1-2 毫米 - Standard标准:
ASTM A269, A213 etc.


PRE INSULATED TUBING 保温管
- Material基材:
Stainless steel 无缝钢 - Surface表面覆盖:
PE, PVC coat涂层 - Standard标准:
ASTM A269, A213 etc.


NICKEL ALLOY, MONEL, HASTELLOY 特殊合金
- Products产品:
seamless tube, flange, fitting
无缝管、法兰、管件 - Material钢种:
Nickel alloy镍合金 200, 201, 600, 601, 625, 690, 718, 800, 800H, 825, K-500, 400, C-22, C-276, C-4, B, B-2, 6Mo, etc.

ADDITIONAL BUSINESS 附加业务
Bend Tube钢管折弯
- JW have 4 different types of Servo CNC bending machines to provide customers with various bending services.
- 君文拥有4台不同类型的全自动伺服数控折弯机,为客户提供各种折弯服务。





CUSTOMIZED PRODUCTS 定制产品
Heat exchanger, Beer machine, Dishwasher, Water heater, etc.
换热器、啤酒机、洗碗机、热水器等








